· Private foundation
Mariska Family 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.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2022–2024.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under $10k20 grants · $50k
- $10k–50k4 grants · $69k
| Recipient | Amount |
|---|---|
| UNIVERSITY OF NEBRASKA FOUNDATION | $36,650 |
| ST BERNARD'S CATHOLIC CHURCH | $12,000 |
| TULSA FIREFIGHTERS BENEVOLENT FUND | $10,000 |
| TULSA AREA UNITED WAY | $10,000 |
| TRI DELTA THETA GAMMA CHAPTER | $9,000 |
| UNIVERSITY OF OKLAHOMA FOUNDATION | $6,125 |
| NATIONAL MULTIPLE SCLEROSIS SOCIETY | $5,600 |
| CATHOLIC CHARITIES OF EASTERN OKLAHOMA | $5,000 |
| TULSA DAY CENTER | $5,000 |
| STEAM CATAPULT FUND | $5,000 |
| JENKS PUBLIC SCHOOLS FOUNDATION | $3,000 |
| DUKE UNIVERSITY FUQUA SCHOOL OF BUSINESS | $2,500 |
| TULSA REGIONAL STEM ALLIANCE | $1,500 |
| CATHOLIC DIOCESE OF TULSA | $1,000 |
| DELTA TAU DELTA BETA TAU CHAPTER | $1,000 |
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 (FY23–24, $3k) land where the poverty rate runs at 16%, against an area that typically sits at 13%. 100% 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.
Which US states your grants reach
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.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +14% since the first grant, against +8% for the ones you funded once.
17 repeat relationships — 16 still active in FY2024, 1 since wound down; 8 grantees were first funded in FY2024 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2024, 84% of grant dollars renewed an existing relationship; $19k 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
- JPJENKS PUBLIC SCHOOLS FOUNDATION INC3× · 2022–2024 · $18k · revenue +65%
- TFTULSA FIREFIGHTERS BENEVOLENCE FUND2× · 2023–2024 · $11k · revenue +14%
DUKE UNIVERSITY2× · 2023–2024 · $5k · revenue +27%
Funded once
- POPARISH OF ST BERNARDSone grant, 2022 · $9k
- TCTULSA CHILDREN'S MUSEUM INCone grant, 2022 · $5k · revenue -28%
- GCGREEN COUNTRY HABITAT FOR HUMANITYone grant, 2022 · $2k
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 tulsa regional chamber transforms the tulsa region by attracting and retaining employers, talent and tourism for long-term prosperity.
United way of central oklahoma is committed to connecting people and resources to improve the well being of those in our community.
The State Chamber Research Foundation strives to support Oklahoma's growth and increase prosperity for all Oklahomans. We create solution orientated programming, advance research and policy, and provide sound data geared to advancing…
The university of tulsa is a student-centered research university that cultivates interconnected learning experiences to explore complex ideas and create new knowledge in a spirit of free inquiry. guided by our commitment to diversity,…
Improve the oral health of all oklahomans by increasing access to dental care, funding oral health education and supporting organizations who serve vital oral health needs in our communities.
The oklahoma hall of fame preserves oklahomas unique history while promoting pride in our great state through each of its programs and the gaylord-pickens museum. the association honors our states rich tradition by telling oklahomas story…
The Foundation was created to assist in the promotion, development and enhancement of the financial resources for Washburn University of Topeka, as well as to receive and hold in trust any assets given in benefit of the University.
Providing, maintaining and issuing scholarships to eligible nominees or applicants for admission to college or for contributions to regularly maintained scholarship funds of other federal tax exempt colleges and universities with an…
To promote the flourishing of the people of oklahoma by advancing principles and policies that support free enterprise, limited government, personal responsibility, and individual initiative.
Oklahoma Tennis Foundation positively impacts lives by supporting & funding organizations that promote tennis & education throughout the great State of Oklahoma.
Hearts for hearing advocates for, educates about, and innovatively provides comprehensive, life-changing hearing healthcare for all ages.
Inspired by a culture of creativity, Oklahoma City University fosters an immersive, personalized experience that welcomes and prepares students to pursue boundless opportunities.
For reference, the grantee most central to the portfolio’s shape is University of Oklahoma Foundation Inc and the most unlike its peers is Usa Bmx Foundation. 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 33 years old; the field is 25. You back the established end — and your money leans older still.
The field is 18% startups (under 5 years old) — 4% of your grantees by number, and just 6% of your money.
The orgs you fund almost never close — 0.0% lost their exemption, against 14% 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.
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 43 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 UNIVERSITY OF NEBRASKA FOUNDATION ↗
- Who funds JENKS PUBLIC SCHOOLS FOUNDATION INC ↗
- Who funds UNIVERSITY OF OKLAHOMA FOUNDATION INC ↗
- Who funds TULSA FIREFIGHTERS BENEVOLENCE FUND ↗
- Who funds TULSA AREA UNITED WAY ↗
- Who funds TULSA DAY CENTER INC ↗
- Who funds DUKE UNIVERSITY ↗
- Who funds STEAM Catapult Fund Inc ↗
- Who funds TULSA CHILDREN'S MUSEUM INC ↗
- Who funds Tulsa Regional STEM Alliance Inc ↗
- Who funds THE BRIDGES FOUNDATION ↗
- Who funds Child Abuse Network Inc dba Child Advocacy Network ↗
- Who funds FRIENDS OF THE MANSION INC ↗
- Who funds THE TINY LIVES FOUNDATION ↗
- Who funds Special Olympics Oklahoma Inc ↗
- Who funds CITY YEAR INC ↗
- Who funds OKLAHOMA WILDLIFE CONSERVATION FOUNDATION ↗
- Who funds HEALTHNETWORK FOUNDATION FKA HEALTH NET FOUNDATION INC ↗
- Who funds Global Gardens Incorporated ↗
- Who funds American Heart Association Inc ↗
- Who funds ST JUDE CHILDREN'S RESEARCH HOSPITAL INC ↗
- Who funds THRIVE TO SURVIVE ORGANIZATION 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.
Open a dossier: Tulsa Community Foundation · The Anne and Henry Zarrow Foundation · The Hardesty Family Foundation Inc · The Cuesta Foundation Inc · The HA & Mary K Chapman Foundation · El and Thelma Gaylord Foundation · Lobeck Taylor Family Foundation · Mervin Bovaird Foundation · The Gelvin Foundation · Oneok Foundation Inc · Tulsa Regional STEM Alliance Inc · Morningcrest Healthcare 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 Mariska Family Foundation 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.
- Tulsa Community Foundation — 11% of income from government
- City Year Inc — 11% of income from government
- Tulsa Day Center Inc — 9% of income from government
- Global Gardens Incorporated — 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
How do I get to Mariska Family Foundation?
Find your warmest path to Mariska Family 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.