· Private foundation
Caroline Blanton Thayer Charitable Trust #95-114770
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.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2017–2024.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under $10k10 grants · $40k
- $10k–50k21 grants · $210k
| Recipient | Amount |
|---|---|
| OXFAM-AMERICA INC | $10,000 |
| FOOD BANK OF WESTERN MASSACHUSETTS | $10,000 |
| GREATER BOSTON FOOD BANK | $10,000 |
| UNITARIAN UNIVERSALIST ASSOCIATION | $10,000 |
| THE BANKER'S HOUSE FOUNDATION | $10,000 |
| Individual grant recipient | $10,000 |
| INTERNATIONAL COLLEGE | $10,000 |
| WESTFIELD ATHENAEUM | $10,000 |
| PEACE DEVELOPMENT FUND SOUTHERN REGION | $10,000 |
| GLOBAL FUND FOR WOMEN | $10,000 |
| UNITED METHODIST AGY FOR THE RETARDED | $10,000 |
| HISTORIC HARRISVILLE INC | $10,000 |
| SMITH COLLEGE HELEN R THAYER SCHOLARSHIP | $10,000 |
| PEACE DEVELOPMENT FUND | $10,000 |
| COHASSET LIBRARY TRUST INC | $10,000 |
Do your dollars go where the need is?
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY17–24, $87k) land where the poverty rate runs at 15%, against an area that typically sits at 10%. 82% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.
US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.
Who you back again
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
32 repeat relationships — 30 still active in FY2024, 2 since wound down.
How the two cohorts compare
Organizations
Total granted
Still filing today
New vs renewed · share of each year
In FY2024, 100% of grant dollars renewed an existing relationship; $0 went to new ones.
Where new relationships form · theme of each grantee’s first grant
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). 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
PARTNERS IN HEALTH A NONPROFIT CORPORATION8× · 2017–2024 · $80k · revenue +120%- DCDestination Cleveland County8× · 2017–2024 · $80k · revenue +103%
- WAWESTFIELD ATHENAEUM8× · 2017–2024 · $80k · revenue +13%
Funded once
- HGHISTORIC GENEALOGICAL SOCIETYone grant, 2017 · $5k
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
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.
The boston public library fund provides financial support to the boston public library (bpl), ensuring that it remains viable, engaging, accessible, and free to all. the library fund fulfills this mission by working in partnership with…
We create opportunities for the people of massachusetts to transform their lives and build a more equitable commonwealth through the humanities.
The nantucket conservation foundation owns, protects, and stewards over 9,000 acres of land and coastal shoreline, conserves nantucket's rare and significant natural resources, and engages in impactful ecological research to inform…
The womens fund southcoast advances gender, racial and economic justice through research, grantmaking and advocacy.
250th Town of Cohasset, MA celebrations
Overview - founded in boston by pioneering landscape architect and open space visionary charles eliot in 1891, the trustees is the nation's first and the commonwealth's largest conservation and preservation nonprofit.
Our mission is to ensure that the people of greater boston benefit from a vibrant, resilient, and inclusive waterfront, harbor, and islands; these spaces are equitable, accessible, and adapted to climate change; and to ensure our public,…
Saint anselm is a catholic, benedictine college providing all of its students a distinctive liberal arts education that incorporates opportunities for professional and career preparation. it does so in a learning community that encourages…
Preservation and conservation of open space in harwich, massachusetts
To provide research facilities to members and to the judicial, executive, and legislative branches of the massachusetts government.
Public lending library
For reference, the grantee most central to the portfolio’s shape is Global Fund for Women Inc and the most unlike its peers is Social Service League of Cohasset Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
Your grantees are a median of 44 years old; the field is 17. You back the established end — and your money leans older still.
The field is 20% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.
The orgs you fund almost never close — 0.0% lost their exemption, against 11% of the field you don’t fund.
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.
22 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. 22 of the 34 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.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
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.
- Who funds Peace Development Fund ↗
- Who funds PARTNERS IN HEALTH A NONPROFIT CORPORATION ↗
- Who funds Destination Cleveland County ↗
- Who funds WESTFIELD ATHENAEUM ↗
- Who funds GREATER BOSTON FOOD BANK INC ↗
- Who funds GLOBAL FUND FOR WOMEN INC ↗
- Who funds HISTORIC HARRISVILLE INC ↗
- Who funds HAYMARKET PEOPLE'S FUND INC ↗
- Who funds COHASSET LIBRARY TRUST INC ↗
- Who funds THE FOOD BANK OF WESTERN MASSACHUSETTS INC ↗
- Who funds OXFAM-AMERICA INC ↗
- Who funds SAINT FRANCIS HOUSE INC ↗
- Who funds SOUTH SHORE CONSERVATORY OF MUSIC INC ↗
- Who funds GARDNER-WEBB UNIVERSITY ↗
- Who funds SOUTHERN POVERTY LAW CENTER INC ↗
- Who funds HESPERIAN HEALTH GUIDES ↗
- Who funds Social Service League of Cohasset Inc ↗
- Who funds 350ORG ↗
- Who funds NATIVE PLANT TRUST INC ↗
- Who funds BROAD RIVER GREENWAY ↗
- Who funds Cohasset Central Cemetery ↗
- Who funds HARRISVILLE COMMUNITY FUND ↗
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.
Open a dossier: American Online Giving Foundation Inc · Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc · Amazonsmile 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.
Government reliance of your grantees
Every dot is one organization Caroline Blanton Thayer Charitable Trust #95-114770 funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal, a single department, or state — and drag the year to watch it move.
- Greater Boston Food Bank Inc — 22% of income from government
- Saint Francis House Inc — 18% of income from government
- Native Plant Trust Inc — 3% of income from government
- Partners in Health a Nonprofit Corporation — 0% of income from government
- Westfield Athenaeum — 0% of income from government
- Oxfam-America Inc — 0% of income from government
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 your grant caused the public funding. Coverage is precision-first — a floor, not 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 12–24 months.
Warm introductions · Powered by PlinthPlus
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Find your warmest path to Caroline Blanton Thayer Charitable Trust #95-114770 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.