Skip to content
Plinth
Foundation Dossiers
Plinth

· Private foundation

Manuel D and Rhoda Mayerson Foundation

Its FY2021 filing reports that it accepted unsolicited grant applications.

$1.5M
Granted FY2021
34
Grants FY2021
3
States reached
$400k
Largest
01What you fundRead
02Your fieldRead
03Through PlinthRead
01What you fund
01FY2021 · 34 grants

Where the money goes

Your grants by size, and where they go.

The 34 grants below total $1,327,064 — the rows itemised in this filing. The $1,454,564 headline is the total grant expense reported on the return, so the remaining $127,500 is giving the schedule does not break out: grants under the $5,000 itemisation floor, grants to individuals, and grants reported on other schedules. Every figure below describes the itemised rows only.

By grant size · FY2021

  • Under $10k17 grants · $58k
  • $10k–50k13 grants · $294k
  • $50k–250k2 grants · $175k
  • $250k+2 grants · $800k
$10,000
Median grant
3
States reached
$15M
Total assets
Largest grants
RecipientAmount
Cincinnati Art Museum$400,000
The Mayerson Academy For Human Resource Development$400,000
Lighthouse Youth Services Inc$100,000
Association Of Fundraising Professionals$75,000
Center For Holocaust And Humanity Education$45,000
Lighthouse Youth Services Inc$40,000
Good Samaritan Hospital Foundation Of Cincinnati$25,000
University Of Cincinnati Foundation$25,000
New Life Furniture Inc$25,000
Freestore-Foodbank Inc$24,980
Northern Kentucky University Research Foundation Inc$21,000
Jewish Federation of Cincinnati$20,000
Planned Parenthood Southwest Ohio Region$17,500
Children's Hospital Medical Center$16,376
Cincinnati Works$14,200
02Your field

The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.

1
Legal Aid Society of Cincinnati

To resolve serious legal problems of low income people, to promote economic and family stability, and reduce poverty through effective legal assistance.

—
2
Cincinnati Public Radio Inc

Cincinnati Public Radio is the trusted, independent source of journalism, music and culture empowering a vibrant, engaged and informed community.

Arts & Culture
3
Cincinnati Chamber Orchestra

Cincinnati Chamber Orchestra (CCO) creates intimate, transformative experiences that connect the musically curious.

Arts & Culture
4
Cincinnati Usa Regional Chamber

To grow the vibrancy and economic prosperity of the cincinnati region.

—
5
Cincinnati Usa Regional Chamber Foundation

To develop and promote economic development, talent initiatives and the unique offerings in the cincinnati region.

Community Improvement
6
The Greater Cincinnati Foundation

As a trusted and connected partner, we inspire generous people to invest in a more equitable and vibrant region now and for generations to come.

Philanthropy
7
Cincinnati Parks Foundation

To build broad based private/public partnerships supporting the conservation and enhancement of our City's parks and greenspaces.

Recreation & Sports
8
Jewish Family Service of the Cincinnati Area

A social service agency, JFS strengthens lives and our diverse community by providing exceptional and transformational human services. Services include: Counseling, Case Management, Financial and Food Support, Home Care, Senior Services,…

Human Services
9
The Greater Cincinnati Film Commission

The Greater Cincinnati Film Commission is dedicated to maximizing the area's economic potential by attracting, promoting and cultivating film, television, and commercial production throughout Greater Cincinnati. Once filmmakers choose…

—
10
Ohio United Way

To strengthen the capacity of United Ways across Ohio and to advance the common good for Ohioans.

Philanthropy
11
Philanthropy Ohio

To lead and equip ohio philanthropy to be effective partners for change in our communities.

Philanthropy
12
Hillel the Foundation of Jewish Campus Life

The purpose of Hillel is to be a center for enriching the lives of Jewish students in the Greater Cincinnati area and to strengthen Jewish identity through social and a broad range of programs and services in an atmosphere that is…

—

For reference, the grantee most central to the portfolio’s shape is Cincinnati Museum Association and the most unlike its peers is Mayerson Academy for Human Resources. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.

← shrinkinggrowing →↓ leaning in → pulling backsteadyCollege Foundation SupportWomen's Empowerment Organiz…Jewish Community FederationsGirls Stem Education Progra…Community Literacy TutoringEducation Equity InitiativesLocal History MuseumsCommunity Hospital SystemsChild Abuse Advocacy Servic…Community Theater CompaniesPregnancy Support CentersFood Pantries and AssistanceClassical Music Orchestras
the sector your giving your giving is ahead of the sector the sector’s ahead of you· dot size = how much the theme matters to each side
Ordered by the change in your giving — leaning in on top, pulling back at the bottom. The bar between the two dots is how out of step you are with the sector. Hover any row for detail.

Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.

Your grantees are a median of 42 years old; the field is 19. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number18%0%<5yr12%4%5–10yr21%13%10–20yr14%22%20–35yr16%30%35–55yr20%30%55yr+
THE FIELDby orgYOUR MONEYby value18%0%<5yr12%0%5–10yr21%8%10–20yr14%5%20–35yr16%16%35–55yr20%71%55yr+

The field is 18% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.

Closures · last 5 years

The orgs you fund almost never close — 0.0% lost their exemption, against 11% of the field you don’t fund.

orgs you fund
0.0%0/25
the rest of the field
11%
8,037/74,281

Age = years since IRS exemption (a founding proxy). “Closed” = auto-revocation for 3 years of non-filing — a floor on closure, not proof, and bigger established orgs lapse least. Association, not causation.

02the grantee network

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

Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.

Counted here: distinct organizations you funded across 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 25 of the 27 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.

0
Load-bearing (≥25% of a budget)
7
Early backer (in before they grew)
25/25
Grantees still filing
19/25
Grew since you first funded

Where your money sits — by cause, then by grantee

CINCINNATI MUSEUM ASSOCIATION — $400,000 · Arts & CultureCINCINNATI MUSEUM ASSOCIATIONThe Center for Holocaust and Humanity Education — $45,000 · Arts & CultureThe Center for Holocaust and Humanity E…+3 more — $14,410 · Arts & CultureMayerson Academy for Human Resources — $402,950 · OtherMayerson Academy for Human ResourcesFREESTORE FOODBANK INC — $24,980 · OtherFREESTORE FOODBANK INC+7 more — $15,448 · OtherLIGHTHOUSE YOUTH SERVICES — $150,000 · Human ServicesLIGHTHOUSE YOUTH…NEW LIFE FURNITURE BANK — $25,000 · Human ServicesNEW LIFE FURNITU…CINCINNATI WORKS — $14,200 · Human ServicesCINCINNATI WORKSBethany House Services Inc — $75,000 · Housing & ShelterGOOD SAMARITAN HOSPITAL FOUNDATION OF CINCINNATI INC — $25,000 · HealthPLANNED PARENTHOOD OF SOUTHWEST OHIO REGION — $17,500 · HealthCHILDREN'S HOSPITAL MEDICAL CENTER — $16,376 · HealthTHE UNIVERSITY OF CINCINNATI FOUNDATION — $30,000 · PhilanthropyJewish Federation of Cincinnati — $20,000 · Philanthropy+1 more — $1,000 · PhilanthropyNORTHERN KENTUCKY UNIVERSITY RESEARCH FOUNDATION INC — $30,500 · EducationActivities Beyond the Classroom — $18,500 · Education+1 more — $1,200 · Education
Arts & Culture$459,410Other$443,378Human Services$189,200Housing & Shelter$75,000Health$58,876Philanthropy$51,000Education$50,200

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetMayerson Academy for Human Resources — $402,950 over 1y, 17% of budgetCINCINNATI MUSEUM ASSOCIATION — $400,000 over 1y, 1.7% of budgetLIGHTHOUSE YOUTH SERVICES — $150,000 over 1y, 0.6% of budgetBethany House Services Inc — $75,000 over 1y, 0.7% of budgetThe Center for Holocaust and Humanity Education — $45,000 over 1y, 3.6% of budgetNORTHERN KENTUCKY UNIVERSITY RESEARCH FOUNDATION INC — $30,500 over 1y, 1.3% of budgetTHE UNIVERSITY OF CINCINNATI FOUNDATION — $30,000 over 1y, 0.0% of budgetGOOD SAMARITAN HOSPITAL FOUNDATION OF CINCINNATI INC — $25,000 over 1y, 0.2% of budgetNEW LIFE FURNITURE BANK — $25,000 over 1y, 1.8% of budgetFREESTORE FOODBANK INC — $24,980 over 1y, 0.0% of budgetJewish Federation of Cincinnati — $20,000 over 1y, 0.1% of budgetActivities Beyond the Classroom — $18,500 over 1y, 0.5% of budgetPLANNED PARENTHOOD OF SOUTHWEST OHIO REGION — $17,500 over 1y, 0.2% of budgetCHILDREN'S HOSPITAL MEDICAL CENTER — $16,376 over 1y, 0.0% of budgetCINCINNATI WORKS — $14,200 over 1y, 0.3% of budgetCINCINNATI SHAKESPEARE COMPANY — $5,900 over 1y, 0.2% of budgetCINCINNATI SYMPHONY ORCHESTRA — $5,000 over 1y, 0.0% of budgetHEARING SPEECH AND DEAF CENTER OF GREA — $5,000 over 1y, 0.2% of budgetNATIONAL UNDERGROUND RAILROAD FREEDOM CENTER INC — $3,510 over 1y, 0.1% of budgetProKids — $2,500 over 1y, 0.1% of budgetAlliance for Girls — $2,500 over 1y, 0.2% of budgetWordplay Cincy — $1,200 over 1y, 0.2% of budgetIMPACT 100 INC — $1,000 over 1y, 0.2% of budgetTENDER MERCIES INC — $500 over 1y, 0.0% of budgetASSOCIATION OF FUNDRAISING PROFESSIONALS — $500 over 1y, 0.5% of budget
Go grantee by grantee — a decade per org, and how each moved after you funded them

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

The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.

Carol Ann and Ralph V…The Greater Cincinnat…Johnson Charitable Gi…Millstone FundAndrew Jergens Founda…John a Schroth Family…Charles H Dater Found…Ge Aerospace Foundati…Duke Energy FoundationFarmer Family Foundat…Elsa M Heisel Sule Ch…Lkc Family Foundation…
Carol Ann and Ralph V Haile Jr FoundationOH30.2× affinity12 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Carol Ann and Ralph V Haile Jr Foundation · The Greater Cincinnati Foundation · Johnson Charitable Gift Fund · Millstone Fund · Andrew Jergens Foundation · John a Schroth Family Char Tr · Charles H Dater Foundation Inc · Ge Aerospace Foundation · Duke Energy Foundation · Farmer Family Foundation · Elsa M Heisel Sule Charitable Trust 2005 · Lkc Family Foundation Fka - Lkc Foundation

Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.

03Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to Manuel D and Rhoda Mayerson Foundation?

Find your warmest path to Manuel D and Rhoda Mayerson 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 directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 27 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your 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. How we build these →

Generated from your IRS Form 990-PF e-file return for fiscal year 2021, released 2021. Filings run roughly 12–24 months behind; figures are dated accordingly.

Source object · view filing

More from the funding graph

The unnamed billions
grants reported with no recipient in the public record
The regranting layer
51% of grant dollars land in the regranting layer
The DAF merry-go-round
$9.7B circulates between donor-advised funds
The camps
funders cluster by geography, not ideology
By state
where grant money is based, and what stays home
State money flows
the interactive map of money crossing state lines