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Thomas Sidlik & Rebecca Boylan Foundation at a glance

· Private foundation

Thomas Sidlik & Rebecca Boylan Foundation

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$97k
Granted FY2025still arriving
14
Grants FY2025still arriving
6
States reached
$27k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
01What it funds
0192% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2025.

Arts & Culture$172kReligion$80kHuman Services$75kEducation$63kHousing & Shelter$26kHealth$6kAnimals$4kScience & Tech$1kOther$0
02FY2025 · 14 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k10 grants · $20k
  • $10k–50k4 grants · $77k
$3,000
Median grant
6
States reached
$1.2M
Total assets
Largest grants
RecipientAmount
DETROIT INSTITUTE OF ART$27,000
DETROIT INSTITUTE OF ART$25,000
CATHOLIC CHARITIES WASHTENAW COUNT$15,000
ST FRANCIS OF ASSISI SCHOOL$10,000
ST ELIZABETH SHELTER$7,500
CATHOLIC DIOCES OF LANSING$6,000
IHN AT ALPHA HOUSE$3,000
HUMANE SOCIETY OF HURON VALLEY$750
SALVATION ARMY WASHTENAW COUNTY$700
EMU FOUNDATION$500
AMERICAN LUNG ASSOCIATION$350
Individual grant recipient$350
VATICAN OBSERVATORY FOUNDATION$300
SACRED HEART SOUTHERN MISSIONS$300
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 (FY21–22, $425) land where the poverty rate runs at 8%, against an area that typically sits at 11%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 11%MISSION OF DEEDS: $275 → 8%MISSION OF DEEDS: $150 → 8%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.

Which US states its grants reach

IL
MI
MA
IA
PA
MO
AZ
NM
MS
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.

61%of every dollar goes to organizations it has funded before.
$261k · 15 repeat orgs$169k to everyone else

Grantees it renews have grown median revenue +14% since the first grant, against +13% for those funded once.

15 repeat relationships: 6 still active in FY2025, 9 since wound down; 7 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

15
26

Total granted

$261k
$133k

Median revenue growth · since first grant

+14%
+13%

Still filing today

53%
23%

New vs renewed · share of each year

In FY2025, 63% of grant dollars renewed an existing relationship; $36k went to new ones.

50%100%’20’21’22’23’24’25
RenewedFirst-time

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

’20’21’22’23’24’25
HealthEducationYouth DevelopmentArts & CultureAnimalsHousing & ShelterOther
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

  • THE DETROIT INSTITUTE OF ARTS
    5× · 2020–2025 · $145k · revenue +14%
  • CS
    Catholic Social Services of Washtenaw County
    3× · 2020–2022 · $27k · revenue +14%
  • HS
    HUMANE SOCIETY OF HURON VALLEY
    5× · 2020–2025 · $3k · revenue +6%

Funded once

  • EASTERN MICHIGAN UNIVERSITY FOUNDATIONgraduated
    one grant, 2020 · $32k · revenue +45%
  • DI
    Detroit Institute of Arts
    one grant, 2023 · $27k
  • CS
    CATHOLIC SOCIAL SERVICES OF WASHINGTON
    one grant, 2024 · $12k
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
Michigan Enviromental Council

Informing and educating the public and decision makers about environmental issues.

Environment
2
Business Leaders for Michigan

Business leaders for michigan is a nonprofit, nonpartisan statewide organization driven by ceos from the state's leading employers, all working toward a shared goal: making michigan a top 10 state for jobs, talent and a thriving economy.…

—
3
Detroit Historical Society

The Detroit Historical Society tells Detroit's stories and why they matter through its exhibits, programs, outreach, and the preservation and dissemination of its artifacts and collections.

Arts & Culture
4
Hospice of Michigan Inc

Hospice of Michigan, Inc. meets our patients and families where they are with urgency, purpose and compassionate accountability surrounding them with decades of dedicated hospice expertise.

Human Services
5
Business Leaders for Michigan Foundation

Business leaders for michigan is a nonprofit, nonpartisan statewide organization driven by ceos from the state's leading employers, all working toward a shared goal: making michigan a top 10 state for jobs, talent and a thriving economy.…

Community Improvement
6
Michigan Humane Society

To improve and save lives through compassionate care, community engagement and advocacy for animals.

Animals
7
Mymichigan Medical Center Midland

Creating healthy communities - together

Health
8
Union Health System

To serve our communities by provding innovative and compassionate healthcare.

Health
9
Mymichigan Medical Group

Creating healthy communities - together

Health
10
Organ Procurement Agency of Michigan

We honor life through donation.

—
11
Mymichigan Health Foundation

The corporation is organized and shall be operated exclusively for charitable, educational and scientific purposes by conducting or supporting activites exclusively for the benefit of, to perform the functions of, or to carry out the…

Health
12
Mymichigan Medical Center Saginaw

Creating healthy communities - together

Health
How this is measured
The grantee most central to the portfolio’s shape is Community Foundation for Southeast Michigan; the most unlike its peers is American Lung Association. 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

15 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. 15 of the 49 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)
2
Early backer (in before they grew)
15/15
Grantees still filing
10/15
Grew since first funded

Where the money sits, by cause and then by grantee

ST FRANCIS OF ASSISI: $59,400 · OtherST FRANCIS OF ASSISICatholic Social Services of Washtenaw County: $27,150 · OtherCatholic Social Services of Washtenaw CountyDetroit Institute of Arts: $27,000 · OtherDetroit Institute of ArtsCATHOLIC CHARITIES WASHTENAW COUNT: $15,000 · OtherCATHOLIC CHARITIES WASHTENAW COUNTCATHOLIC SOCIAL SERVICES OF WASHINGTON: $12,000 · OtherST FRANCIS OF ASSISI SCHOOL: $10,000 · OtherCatholic Social Services: $10,000 · OtherST. FRANCIS EDUCATIONAL TRUST FUND: $8,500 · Other+32 more: $65,075 · Other+32 moreTHE DETROIT INSTITUTE OF ARTS: $144,980 · Arts & CultureTHE DETROIT INSTITUTE OF ARTSEASTERN MICHIGAN UNIVERSITY FOUNDATION: $32,000 · Education+1 more: $250 · EducationSAINT ELIZABETH SHELTER CORPORATION: $12,500 · Housing & ShelterHUMANE SOCIETY OF HURON VALLEY: $2,950 · AnimalsAMERICAN LUNG ASSOCIATION: $950 · HealthTRINITY HEALTH - MICHIGAN: $500 · HealthFRIENDS IN DEED INC: $500 · HealthMICHIGAN MINORITY PURCHASING COUNCIL D/B/A MMSDC: $1,000 · Community Improvement
Other$234,125Arts & Culture$144,980Education$32,250Housing & Shelter$12,500Animals$2,950Health$1,950Community Improvement$1,000

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 DETROIT INSTITUTE OF ARTS: $144,980 over 5y, 0.1% of budgetEASTERN MICHIGAN UNIVERSITY FOUNDATION: $32,000 over 1y, 0.2% of budgetCatholic Social Services of Washtenaw County: $27,150 over 3y, 0.2% of budgetSAINT ELIZABETH SHELTER CORPORATION: $12,500 over 2y, 0.2% of budgetHUMANE SOCIETY OF HURON VALLEY: $2,950 over 5y, 0.0% of budgetMICHIGAN MINORITY PURCHASING COUNCIL D/B/A MMSDC: $1,000 over 1y, 0.0% of budgetAMERICAN LUNG ASSOCIATION: $950 over 3y, 0.0% of budgetVatican Observatory Foundation: $925 over 4y, 0.1% of budgetMission of Deeds Inc: $625 over 3y, 0.0% of budgetTRINITY HEALTH - MICHIGAN: $500 over 2y, 0.0% of budgetCOMMUNITY FOUNDATION FOR SOUTHEAST MICHIGAN: $500 over 1y, 0.0% of budgetFRIENDS IN DEED INC: $500 over 1y, 0.2% of budgetGIRL SCOUTS OF SOUTHEASTERN MICHIGAN: $250 over 1y, 0.0% of budgetELE'S PLACE INC: $250 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 DETROIT INSTITUTE OF ARTS ↗
  • Who funds EASTERN MICHIGAN UNIVERSITY FOUNDATION ↗
  • Who funds Catholic Social Services of Washtenaw County ↗
  • Who funds SAINT ELIZABETH SHELTER CORPORATION ↗
  • Who funds HUMANE SOCIETY OF HURON VALLEY ↗
  • Who funds MICHIGAN MINORITY PURCHASING COUNCIL D/B/A MMSDC ↗
  • Who funds AMERICAN LUNG ASSOCIATION ↗
  • Who funds Vatican Observatory Foundation ↗
  • Who funds Mission of Deeds Inc ↗
  • Who funds TRINITY HEALTH - MICHIGAN ↗
  • Who funds COMMUNITY FOUNDATION FOR SOUTHEAST MICHIGAN ↗
  • Who funds FRIENDS IN DEED 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.

Charities Aid Foundat…The Bank of America C…Donor Advised Charita…American Online Givin…Fidelity Investments …Amazonsmile Foundation
Charities Aid Foundation AmericaVA9.5× affinity4 shared granteesties to 5 of 5Hover any node to trace its alignments.Compare side by side →

Open a dossier: Charities Aid Foundation America · The Bank of America Charitable Foundation Inc · Donor Advised Charitable Giving Inc · American Online Giving Foundation 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 Thomas Sidlik & Rebecca Boylan Foundation funds: left to right is the share of its income from government, bottom to top the share from Thomas Sidlik & Rebecca Boylan Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 10%0%1%3%5%funder's share of their income ↑0%6%13%19%25%share of the org’s income from government →
    no gov moneyreceives it· size = income
    1get no government money at all
    3report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–25%
    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.

    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 49 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 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

    Play a game based on Thomas Sidlik & Rebecca Boylan’s filings →

    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 endowment market
    who holds foundation money, and what just moved
    The camps
    funders cluster by geography, not ideology
    By state
    where grant money is based, and what stays home