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Plinth

· Private foundation

George and Mary Corkle Chrt Fd

Its FY2025 filing reports that it accepted unsolicited grant applications.

$212k
Granted FY2025still arriving
8
Grants FY2025still arriving
2
States reached
$100k
Largest
01What you fund
0196% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172025.

Education$423kHuman Services$326kYouth Development$238kRecreation & Sports$143kArts & Culture$133kHealth$36kPhilanthropy$30kAnimals$25kOther$0
02FY2025 · 8 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k2 grants · $10k
  • $10k–50k4 grants · $52k
  • $50k–250k2 grants · $150k
$14,091
Median grant
2
States reached
$2.3M
Total assets
Largest grants
RecipientAmount
Individual grant recipient$100,000
GRAND LAKE FAMILY Y$50,000
COLCORD PUBLIC SCHOOLS$17,825
GROVE PUBLIC SCHOOLS$14,091
JAY SPECIAL OLYMPICS$10,000
GRAND LAKE AREA ROBOTICS EDUCATION$10,000
GROVE ROTARY FOUNDATION$6,600
RONALD MCDONALD HOUSE OF THE FOUR S$3,000
02The need
03

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.

show:

Your human-services grants (FY17–23, $47k) land where the poverty rate runs at 19%, against an area that typically sits at 14%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 14%HOME OF HOPE: $10k → 21%COMMUNITY CRISIS CENTER: $6k → 20%COMMUNITY CRISIS CENTER: $6k → 20%COMMUNITY CRISIS CENTER: $5k → 20%COMMUNITY CRISIS CENTER: $10k → 18%COMMUNITY CRISIS CENTER: $10k → 18%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

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.

03Your edge
repeat funding

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.

68%of every dollar goes to organizations you’ve funded before.
$1.1M · 18 repeat orgs$502k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +33% since the first grant, against +17% for the ones you funded once.

18 repeat relationships — 7 still active in FY2025, 11 since wound down; 1 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

18
24

Total granted

$1.1M
$402k

Median revenue growth · since first grant

+33%
+17%

Still filing today

17%
17%

New vs renewed · share of each year

In FY2025, 53% of grant dollars renewed an existing relationship; $100k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
EducationHuman ServicesYouth DevelopmentArts & CulturePhilanthropyEnvironmentOther

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

  • GL
    GRAND LAKE FAMILY Y
    6× · 2019–2025 · $242k
  • GP
    Grove Public Schools
    9× · 2017–2025 · $233k
  • DC
    DELAWARE COUNTY HISTORICAL SOCIETY
    7× · 2017–2024 · $113k

Funded once

  • D
    DCCSAN
    one grant, 2021 · $100k
  • IG
    Individual grant recipient
    one grant, 2023 · $50k
  • GE
    GROVE EDUCATION FOUNDATION FOR EXCEgraduated
    one grant, 2020 · $35k · revenue +101%

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

04Your 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
The Grandville Education Foundation

Support of grandville public schools educational programs

Education
2
The Grove Foundation
Philanthropy
3
Grantville-Allied Gardens Kiwanis Foundation

Community service

Education
4
Grovecenter Elementary School

Educational student support

5
Garden Grove Historical Society

Provides maintenance and safekeeping of museum, library and historical items

Arts & Culture
6
Grasonville Community Center Inc

Carry out educational and charitable pro

7
Grover Beach Community Library

Operation of a community library for the general public.

Education
8
Grace Jones Community Center Inc

Daycare facility

Human Services
9
Green Valley Rotary Club Foundation Inc
10
Grove Heritage Assoc

Historical preservation of park site

Arts & Culture
11
Great Oaks Education Foundation

To provide educational scholarships/grants and financial assistance to students at great oaks campuses.

Education
12
Greenville Area School District Educational Foundation

Support local area school district

For reference, the grantee most central to the portfolio’s shape is Grand Lake Festivals Inc and the most unlike its peers is Boys and Girls Club of Delaware County 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

9 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 20172025, not grant rows in a single year — so this will not match the grant count on the cover. 9 of the 44 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)
2
Early backer (in before they grew)
8/9
Grantees still filing
6/9
Grew since you first funded

Where your money sits — by cause, then by grantee

GRAND LAKE FAMILY Y — $241,500 · OtherGRAND LAKE FAMILY YGrove Public Schools — $233,405 · OtherGrove Public SchoolsDELAWARE COUNTY HISTORICAL SOCIETY — $113,000 · OtherDELAWARE COUNTY HISTORICAL SOCIETYGROVE BACK PACK PROGRAM — $105,000 · OtherGROVE BACK PACK PROGRAMIndividual grant recipient — $100,000 · OtherIndividual grant recipientDCCSAN — $100,000 · OtherDCCSANIndividual grant recipient — $50,000 · Other+28 more — $427,494 · Other+28 moreGROVE EDUCATION FOUNDATION FOR EXCE — $35,319 · PhilanthropyTULSA COMMUNITY FOUNDATION — $30,000 · PhilanthropyGRAND LAKE AREA ROBOTICS EDUCATION — $40,000 · EducationGROVE ROTARY FOUNDATION INC — $13,200 · EducationCOMMUNITY CRISIS CENTER INC — $37,000 · Human ServicesHOME OF HOPE INC — $10,000 · Human ServicesBOYS AND GIRLS CLUB OF DELAWARE COUNTY INC — $32,588 · Youth DevelopmentLENDONWOOD GARDENS INC — $17,000 · EnvironmentGRAND LAKE FESTIVALS INC — $5,000 · Arts & Culture
Other$1,370,399Philanthropy$65,319Education$53,200Human Services$47,000Youth Development$32,588Environment$17,000Arts & Culture$5,000

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

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetGRAND LAKE AREA ROBOTICS EDUCATION — $40,000 over 4y, 9.1% of budgetCOMMUNITY CRISIS CENTER INC — $37,000 over 5y, 0.9% of budgetGROVE EDUCATION FOUNDATION FOR EXCE — $35,319 over 1y, 24% of budgetBOYS AND GIRLS CLUB OF DELAWARE COUNTY INC — $32,588 over 3y, 3.7% of budgetTULSA COMMUNITY FOUNDATION — $30,000 over 2y, 0.0% of budgetLENDONWOOD GARDENS INC — $17,000 over 1y, 13% of budgetGROVE ROTARY FOUNDATION INC — $13,200 over 2y, 2.3% of budgetHOME OF HOPE INC — $10,000 over 1y, 0.1% of budgetGRAND LAKE FESTIVALS INC — $5,000 over 1y, 11% 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.

  • Who funds GRAND LAKE AREA ROBOTICS EDUCATION
  • Who funds COMMUNITY CRISIS CENTER INC
  • Who funds GROVE EDUCATION FOUNDATION FOR EXCE
  • Who funds BOYS AND GIRLS CLUB OF DELAWARE COUNTY INC
  • Who funds TULSA COMMUNITY FOUNDATION
  • Who funds LENDONWOOD GARDENS INC
  • Who funds GROVE ROTARY FOUNDATION INC
  • Who funds HOME OF HOPE INC
  • Who funds GRAND LAKE FESTIVALS INC

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.

The McCorkle FoundationOK13.6× affinity4 shared granteesties to 4 of 4Hover any node to trace its alignments.Compare side by side →

Open a dossier: The McCorkle Foundation · Cresap Family Foundation · Arvest Foundation · Fidelity Investments Charitable Gift Fund · 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 George and Mary Corkle Chrt Fd 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 or a single department — and drag the year to watch it move.

2024
202122232425
no gov · 50%2%6%14%25%your share of their income ↑0%4%8%11%15%share of the org’s income from governmentmedian 11%
  • Tulsa Community Foundation11% of income from government
  • Community Crisis Center Inc3% of income from government
no gov moneyreceives it· size = income
5get no government money at all
1report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–15%
typical government reliance, FY2025

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.

05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to George and Mary Corkle Chrt Fd?

Find your warmest path to George and Mary Corkle Chrt Fd 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 44 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 2025, released 2025. Filings run roughly 12–24 months behind; figures are dated accordingly.

Source object · view filing

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