Funding search · EIN 843901549 · Locust Valley, NY

Harry F Mariani Family Foundation

Name: Harry F Mariani Family Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

77
grants reported: $1.0M
total given: 2022–2025
filing years: $5,000
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

Full IRS filings ↗How this is built Report an error

Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

Tisch Multiple Sclerosis Research Center New York4 grants · $240,000
Northwell Health Foundation4 grants · $214,000
The Beaufort County Open Land Trust4 grants · $145,000
University of Notre Dame4 grants · $100,000
Pingree School4 grants · $67,000
Coastal Conservation Association South Carolina3 grants · $35,000
The Don Monti Memorial Research Foundation3 grants · $34,000
Tulane University3 grants · $30,000
St Joseph'S Children'S Hospital Tampa4 grants · $21,500
Mercy Home for Boys and Girls1 grant · $20,000

Giving over time

$320,000

2022

$240,000

2023

$200,000

2024

$272,000

2025

Grant history

All 77 reported grants, largest first.

$68,000
Tisch Multiple Sclerosis Research Center New York · New York, NY · 2025
General support
$67,000
Tisch Multiple Sclerosis Research Center New York · New York, NY · 2022
General support
$60,000
Tisch Multiple Sclerosis Research Center New York · New York, NY · 2023
General support
$60,000
Northwell Health Foundation · Huntington, NY · 2022
General support
$56,000
Northwell Health Foundation · Huntington, NY · 2025
General support
$50,000
The Beaufort County Open Land Trust · Beaufort, SC · 2025
General support
$50,000
Northwell Health Foundation · Huntington, NY · 2024
General support
$48,000
Northwell Health Foundation · Huntington, NY · 2023
General support
$45,000
Tisch Multiple Sclerosis Research Center New York · New York, NY · 2024
General support
$40,000
The Beaufort County Open Land Trust · Beaufort, SC · 2022
General support
$30,000
The Beaufort County Open Land Trust · Beaufort, SC · 2024
General support
$27,000
Pingree School · South Hamilton, MA · 2025
General support
$25,000
University of Notre Dame · Notre Dame, IN · 2025
General support
$25,000
University of Notre Dame · Notre Dame, IN · 2024
General support
$25,000
The Beaufort County Open Land Trust · Beaufort, SC · 2023
General support
$25,000
University of Notre Dame · Notre Dame, IN · 2023
General support
$25,000
University of Notre Dame · Notre Dame, IN · 2022
General support
$20,000
Mercy Home for Boys and Girls · Chicago, IL · 2022
General support
$20,000
Pingree School · South Hamilton, MA · 2022
General support
$15,000
Coastal Conservation Association South Carolina · Columbia, SC · 2024
General support
$12,000
The Don Monti Memorial Research Foundation · Cold Spring Harbor, NY · 2025
General support
$12,000
The Don Monti Memorial Research Foundation · Cold Spring, NY · 2023
General support
$10,000
Coastal Conservation Association South Carolina · Columbia, SC · 2025
General support
$10,000
Tulane University · Dallas, TX · 2025
General support
$10,000
Pingree School · South Hamilton, MA · 2024
General support
$10,000
Tulane University · Dallas, TX · 2024
General support
$10,000
Beaufort Memorial Hospital Foundation · Beaufort, SC · 2023
General support
$10,000
Coastal Conservation Association South Carolina · Columbia, SC · 2023
General support
$10,000
Pingree School · South Hamilton, MA · 2023
General support
$10,000
Tulane University · Dallas, TX · 2023
General support
$10,000
Cornell Hotel Society · Vienna, VA · 2022
General support
$10,000
St Joseph'S Children'S Hospital Tampa · Tampa, FL · 2022
General support
$10,000
The Don Monti Memorial Research Foundation · Cold Spring Harbor, NY · 2022
General support
$10,000
Tomorrow'S Hope Foundation · Uniondale, NY · 2022
General support
$5,000
American Friends of the London Philharmonic Orchestra · New York, NY · 2024
General support
$5,000
Penn Center National Historic Landmark District · St Helena Island, SC · 2023
General support
$5,000
St Joseph'S Children'S Hospital Tampa · Tampa, FL · 2023
General support
$5,000
Boston Children'S Hospital Trust · Boston, MA · 2022
General support
$5,000
Howard University · Washington, DC · 2022
General support
$5,000
St Jude'S Children'S Research Hospital · Memphis, TN · 2022
General support
$4,000
St Joseph'S Children'S Hospital Tampa · Tampa, FL · 2025
General support
$4,000
One80 Place · Charleston, SC · 2022
General support
$3,500
Community Dispute Settlement Center · Cambridge, MA · 2022
General support
$3,000
Community Dispute Settlement Center · Cambridge, MA · 2025
General support
$3,000
Minuteman Senior Services · Bedford, MA · 2025
General support
$3,000
Keep North Charleston Beautiful · North Charleston, SC · 2022
General support
$3,000
Minuteman Senior Services · Bedford, MA · 2022
General support
$3,000
North Charleston Animal Society · North Charleston, SC · 2022
General support
$3,000
Winchester Abc · Winchester, MA · 2022
General support
$3,000
Youth Advocacy Foundation · Boston, MA · 2022
General support
$2,500
Community Dispute Settlement Center · Cambridge, MA · 2024
General support
$2,500
Minuteman Senior Services · Bedford, MA · 2024
General support
$2,500
St Joseph'S Children'S Hospital Tampa · Tampa, FL · 2024
General support
$2,500
Community Dispute Settlement Center · Cambridge, MA · 2023
General support
$2,500
North Charleston Animal Society · North Charleston, SC · 2023
General support
$2,500
The Fenn School · Concord, MA · 2023
General support
$2,500
American Friends of the London Philharmonic Orchestra · New York, NY · 2022
General support
$2,500
Friends of Middlesex Fells · Melsrose, MA · 2022
General support
$2,500
Heading Home · Boston, MA · 2022
General support
$2,500
The Fenn School · Concord, MA · 2022
General support
$2,000
Minuteman Senior Services · Bedford, MA · 2023
General support
$2,000
Youth Advocacy Foundation · Boston, MA · 2023
General support
$1,500
Lowcountry Food Bank · Charleston, SC · 2025
General support
$1,500
North Charleston Animal Society · North Charleston, SC · 2025
General support
$1,500
Winchester Abc · Winchester, MA · 2023
General support
$1,250
Lowcountry Food Bank · Charleston, SC · 2023
General support
$1,250
Neighbors Together · North Charleston, SC · 2023
General support
$1,000
One80 Place · Charleston, SC · 2025
General support
$1,000
Lowcountry Food Bank · Charleston, SC · 2024
General support
$1,000
North Charleston Animal Society · North Charleston, SC · 2024
General support
$1,000
Boston Children'S Hospital Trust · Boston, MA · 2023
General support
$1,000
Heading Home · Charlestown, MA · 2023
General support
$1,000
Howard University · Washington, DC · 2023
General support
$1,000
St Jude'S Children'S Research Hospital · Memphis, TN · 2023
General support
$500
One80 Place · Charleston, SC · 2024
General support
$500
Friends of Middlesex Fells · Melsrose, MA · 2023
General support
$500
The Church of Saint Paul the Apostle · New York, NY · 2022
General support

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Similar grant size

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Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.