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· Private foundation

David & Hildegarde Mahoney Foundation

Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$31k
Granted FY2024still arriving
26
Grants FY2024still arriving
1
States reached
$10k
Largest
01What it funds
0198% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Arts & Culture$90kHealth$44kEducation$24kYouth Development$15kHuman Services$11kPhilanthropy$11kPublic Safety & Disaster$11kPublic Benefit$8kOther$0
02FY2024 · 26 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k25 grants · $21k
  • $10k–50k1 grant · $10k
$500
Median grant
1
States reached
$659k
Total assets
Largest grants
RecipientAmount
CAPE ANN MUSEUM$10,000
PALM BEACH ATLANTIC UNIVERSITY$3,500
BOYS & GIRLS CLUBS OF PALM BEACH COUNTY$2,500
SALVATION ARMY OF PB CTY$2,000
FIRST SERVE$1,500
PALM BEACH ISLAND HOSPICE FOUNDATION$1,200
HAS (HOSPITAL ALBERT SCHWEITZER)$1,000
THE NATIONAL WWII MUSEUM$1,000
BATH & TENNIS CLUB HISTORIC BLDG PRES FDTN$1,000
DOCTORS WITHOUT BORDERS USA$1,000
Individual grant recipient$500
ROYAL POINCIANA CHAPEL$500
HISTORICAL SOCIETY OF PALM BEACH COUNTY$500
VFW (VETERANS OF FOREIGN WARS)$500
PALM BEACH COUNTY FOOD BANK$500
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY18–19, $2k) land where the poverty rate runs at 11%, against an area that typically sits at 11%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%MORSELIFE FOUNDATION: $1k → 11%WOUNDED WARRIOR PROJECT: $500 → 11%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

59%of every dollar goes to organizations it has funded before.
$154k · 48 repeat orgs$105k to everyone else

Grantees it renews have grown median revenue +127% since the first grant, against +40% for those funded once.

48 repeat relationships: 21 still active in FY2024, 27 since wound down; 5 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

48
91

Total granted

$154k
$92k

Median revenue growth · since first grant

+127%
+40%

Still filing today

29%
23%

New vs renewed · share of each year

In FY2024, 57% of grant dollars renewed an existing relationship; $13k went to new ones.

50%100%’17’18’19’20’21’22’23’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’17’18’19’20’21’22’23’24
Arts & CultureEducationFood & NutritionHealthHuman ServicesCommunity ImprovementOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • TP
    The Preservation Foundation of Palm Beach Inc
    3× · 2019–2021 · $16k · revenue +214%
  • PB
    PALM BEACH ATLANTIC UNIVERSITY INC
    4× · 2018–2024 · $15k · revenue +38%
  • BG
    BOYS & GIRLS CLUB OF PBC
    6× · 2018–2024 · $9k · revenue +127%

Funded once

  • TF
    THE FILM COLLABORATIVE
    one grant, 2021 · $25k
  • PF
    PRESERVATION FOUNDATION OF PALM BEACH
    one grant, 2017 · $8k
  • THE BREAST CANCER RESEARCH FOUNDATION INCgraduated
    one grant, 2017 · $5k · revenue +40%
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Palm Beach Day Academy Inc

The foundation of the palm beach day academy's program is the education of our students in an academically challenging and compassion rich environment that guides each child toward personal excellence of mind, body and character.

Education
2
Education Foundation of Palm Beach County Inc

The foundation is the nexus of palm beach county's public schools, the private sector, and the community. it facilitates student achievement by supporting high quality public education through partnership, grants, events and public…

—
3
Personal Care Products Council Foundation Inc

The foundation is set up to deliver one program - look good feel better. the mission of this nationwide program is to improve the quality of life of women, men, and teens undergoing cancer treatment by offering advice on how to cope with…

Health
4
Palm Healthcare Foundation Inc

Palm Health Foundation invests in bold, community-led solutions that improve health and well-being in Palm Beach County. (Continued on Schedule O)Established in 2001 from the sale of Good Samaritan and St. Mary's hospitals, the Foundation…

Health
5
Early Learning Coalition of Palm Beach County Inc

To manage, improve and evaluate an integrated and quality seamless service delivery system for all publicly-funded early care and education programs serving children from birth to five years of age and school-age siblings to serve families…

Education
6
Saint Andrew's School of Boca Raton Inc

Saint andrew's school is an independent school founded in the episcopal tradition. our mission is to build a community of learners, provide excellence in education, and nurture each student in mind, body, and spirit.

Education
7
Cultural Council of Palm Beach County Inc

To educate, develop, advocate, and promote the visual and performing arts and cultural activities throughout Palm Beach County, Florida.

Arts & Culture
8
Florida Public Broadcasting Service Inc

To provide educational programming services.

Arts & Culture
9
Tampa Bay Partnership Inc

The tampa bay partnership is a privately funded, ceo-driven regional advocacy organization, committed to creating a unified, competitive and prosperous tampa bay.

—
10
Point Park University

Provides innovative education in a dynamic urban setting. dedicated to academic excellence and community engagement,we prepare students of diverse backgrounds with the knowledge, skill,and experience to lead meaningful lives as informed…

—
11
Florida Children's Museum Inc

Curating the world for all children to explore

Arts & Culture
12
Miami Beach Chamber of Commerce

The chamber is organized for the purpose of advancing the economic, professional, cultural, educational and civic welfare of miami beach and the area surrounding miami beach, florida. the chamber is committed to encouraging the growth of…

—
How this is measured
The grantee most central to the portfolio’s shape is Boys & Girls Club of Pbc; the most unlike its peers is The Society for the Preservation of the Great American Songbook Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

37 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 37 of the 145 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
10
Early backer (in before they grew)
37/37
Grantees still filing
30/37
Grew since first funded

Where the money sits, by cause and then by grantee

THE FILM COLLABORATIVE: $25,000 · OtherTHE FILM COLLABORATIVECAPE ANN MUSEUM: $10,000 · OtherCAPE ANN MUSEUMPRESERVATION FOUNDATION OF PALM BEACH: $7,500 · OtherBREAST CANCER RESEARCH FOUNDATION: $7,225 · OtherBRIGHAM AND WOMEN'S HOSPITAL: $6,500 · Other+119 more: $127,658 · Other+119 moreThe Preservation Foundation of Palm Beach Inc: $16,200 · Arts & CultureThe Preserva…THE HISTORICAL SOCIETY OF PALM BEACH COUNTY INC: $4,500 · Arts & CultureTHE HISTORIC…SOUTH FLORIDA PBS INC: $3,500 · Arts & CultureSOUTH FLORID…CENTER FOR CREATIVE EDUCATION: $2,000 · Arts & CultureCENTER FOR C…THE PALM BEACH FOUNDATION INC: $1,200 · Arts & CultureTHE SOCIETY FOR THE PRESERVATION OF THE GREAT AMERICAN SONGBOOK INC: $1,000 · Arts & Culture+2 more: $1,325 · Arts & CulturePALM BEACH ATLANTIC UNIVERSITY INC: $15,000 · EducationGlades Academy Foundation Inc: $1,500 · EducationCENTER FOR CREATIVE EDUCATION INC: $1,000 · EducationGREEN VALE SCHOOL: $750 · Education+2 more: $750 · EducationBOYS & GIRLS CLUB OF PBC: $8,720 · Youth DevelopmentPALM BEACH AREA TENNIS PATRONS INC: $500 · Youth DevelopmentThe Palm Beach Police and Fire Foundation Inc: $7,000 · Crime & LegalPalm Beach County Food Bank Inc: $3,400 · Food & NutritionFRESH RX INC: $1,500 · Food & NutritionTREASURE COAST FOOD BANK INC: $500 · Food & NutritionTHE BREAST CANCER RESEARCH FOUNDATION INC: $5,000 · Public Safety & Disaster
Other$183,883Arts & Culture$29,725Education$19,000Youth Development$9,220Crime & Legal$7,000Food & Nutrition$5,400Public Safety & Disaster$5,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetThe Preservation Foundation of Palm Beach Inc: $16,200 over 3y, 0.3% of budgetPALM BEACH ATLANTIC UNIVERSITY INC: $15,000 over 4y, 0.0% of budgetBOYS & GIRLS CLUB OF PBC: $8,720 over 6y, 0.0% of budgetThe Palm Beach Police and Fire Foundation Inc: $7,000 over 2y, 0.2% of budgetTHE BREAST CANCER RESEARCH FOUNDATION INC: $5,000 over 1y, 0.0% of budgetTHE HISTORICAL SOCIETY OF PALM BEACH COUNTY INC: $4,500 over 5y, 0.1% of budgetCOMMUNITY COALITION INC: $4,000 over 7y, 0.1% of budgetSOUTH FLORIDA PBS INC: $3,500 over 2y, 0.0% of budgetPalm Beach County Food Bank Inc: $3,400 over 6y, 0.0% of budgetTown of Palm Beach United Way Inc: $3,350 over 6y, 0.0% of budgetNEW YORK LANDMARKS CONSERVANCY INC: $3,000 over 1y, 0.1% of budgetCENTER FOR CREATIVE EDUCATION: $2,000 over 2y, 0.1% of budgetWOUNDED WARRIOR PROJECT INC: $2,000 over 3y, 0.0% of budgetFRESH RX INC: $1,500 over 1y, 0.4% of budgetGlades Academy Foundation Inc: $1,500 over 3y, 0.1% of budgetTHE PALM BEACH FOUNDATION INC: $1,200 over 2y, 0.2% of budgetPalm Beach Civic Association Inc: $1,150 over 1y, 0.1% of budgetTHE SUZANNE WRIGHT FOUNDATION: $1,000 over 1y, 0.2% of budgetTHE ZOOLOGICAL SOCIETY OF THE PALM BEACHES INC: $1,000 over 1y, 0.0% of budgetTHE SOCIETY FOR THE PRESERVATION OF THE GREAT AMERICAN SONGBOOK INC: $1,000 over 1y, 0.8% of budgetMORSELIFE FOUNDATION INC: $1,000 over 1y, 0.0% of budgetCox Science Center and Aquarium Inc: $825 over 1y, 0.0% of budgetGREEN VALE SCHOOL: $750 over 1y, 0.0% of budgetMAKE-A-WISH FOUNDATION OF SOUTHERN FLORIDA INC: $550 over 6y, 0.0% of budgetFUND FOR PARK AVENUE NEW YORK INC: $500 over 1y, 0.0% of budgetSANCTUARY FOR FAMILIES INC: $500 over 1y, 0.0% of budgetPALM BEACH AREA TENNIS PATRONS INC: $500 over 1y, 0.1% of budgetTREASURE COAST FOOD BANK INC: $500 over 1y, 0.0% of budgetThe Society of the Four Arts Inc: $500 over 1y, 0.0% of budgetOpportunity Inc of Palm Beach County: $500 over 1y, 0.0% of budgetRehabilitation Center for Children and Adults Inc: $300 over 1y, 0.0% of budgetHEARING THE OVARIAN CANCER WHISPER INC: $250 over 1y, 0.1% of budgetMARINE TOYS FOR TOTS FOUNDATION: $250 over 1y, 0.0% of budgetAUTISM SPEAKS INC: $100 over 1y, 0.0% of budgetTHE NATURE CONSERVANCY: $100 over 1y, 0.0% of budgetOPERATION HOMEFRONT INC: $30 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds The Preservation Foundation of Palm Beach Inc ↗
  • Who funds PALM BEACH ATLANTIC UNIVERSITY INC ↗
  • Who funds BOYS & GIRLS CLUB OF PBC ↗
  • Who funds The Palm Beach Police and Fire Foundation Inc ↗
  • Who funds THE BREAST CANCER RESEARCH FOUNDATION INC ↗
  • Who funds THE HISTORICAL SOCIETY OF PALM BEACH COUNTY INC ↗
  • Who funds COMMUNITY COALITION INC ↗
  • Who funds SOUTH FLORIDA PBS INC ↗
  • Who funds Palm Beach County Food Bank Inc ↗
  • Who funds Town of Palm Beach United Way Inc ↗
  • Who funds NEW YORK LANDMARKS CONSERVANCY INC ↗
  • Who funds CENTER FOR CREATIVE EDUCATION ↗
  • Who funds WOUNDED WARRIOR PROJECT INC ↗
  • Who funds FRESH RX INC ↗
  • Who funds Glades Academy Foundation Inc ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Community Foundation for Palm Beach and Martin Counties IncFL15.4× affinity5 shared granteesties to 10 of 10Hover any node to trace its alignments.Compare side by side →

Open a dossier: Community Foundation for Palm Beach and Martin Counties Inc · John E Rovensky Charitable Trust 6388 F/K/A Ud Je Rovensky 2/28/89 Fdn · Donald and Allison Gulbrandsen Foundation Inc · Clermont Foundation · Sidney Kohl Family Foundation · Lost Tree Village Charitable Foundation · National Philanthropic Trust · Vanguard Charitable Endowment Program · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization David & Hildegarde Mahoney Foundation funds: left to right is the share of its income from government, bottom to top the share from David & Hildegarde Mahoney Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 110%0%1%3%5%funder's share of their income ↑0%13%25%38%50%share of the org’s income from government →median 2%
  • Community Coalition Inc: 38% of income from government
  • Cox Science Center and Aquarium Inc: 6% of income from government
  • Treasure Coast Food Bank Inc: 2% of income from government
  • Center for Creative Education: 2% of income from government
  • Palm Beach County Food Bank Inc: 0% of income from government
  • Wounded Warrior Project Inc: 0% of income from government
  • Palm Beach Atlantic University Inc: 0% of income from government
  • South Florida Pbs Inc: 0% of income from government
no gov moneyreceives it· size = income
11get no government money at all
9report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–50%
typical government reliance, FY20–25
How this is measured
Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to David & Hildegarde Mahoney Foundation?

Find your warmest path to David & Hildegarde Mahoney Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 145 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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