Funding search · EIN 232693114 · Naples, FL

Mary Jane and Marvin Riddle Foundation

Name: Mary Jane and Marvin Riddle 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.

58
grants reported: $315,648
total given: 2022–2025
filing years: $775
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.

What they fund

education engineering riddle suppport

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.

4 grants matching “riddle” · $94,040

$20,375
Lafayette College · Easton, PA · 2025
H. M. Riddle '51 fund for engineering education
$37,223
Lafayette College · Easton, PA · 2024
H. M. Riddle '51 fund for engineering education
$20,031
Lafayette College · Easton, PA · 2023
H. M. Riddle '51 fund for engineering education
$16,411
Lafayette College · Easton, PA · 2022
H. M. Riddle '51 fund for engineering education

Top recipients

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

Lafayette College4 grants · $94,040
Deerfield Academy4 grants · $93,316
Emma Willard School4 grants · $93,092
College Hill Presbyterian Church4 grants · $9,500
Northampton Community College4 grants · $8,000
American Red Cross4 grants · $3,650
Project of Easton4 grants · $3,150
United Way of the Greater Lehigh Valley3 grants · $3,150
Collier Community Foundation3 grants · $1,600
Artis - Naples4 grants · $1,150

Giving over time

$56,483

2022

$69,893

2023

$118,923

2024

$70,349

2025

Grant history

All 58 reported grants, largest first.

$37,223
Lafayette College · Easton, PA · 2024
H. M. Riddle '51 fund for engineering education
$36,275
Deerfield Academy · Deerfield, MA · 2024
To support continuing operations
$36,275
Emma Willard School · Troy, NY · 2024
To support continuing operations
$20,599
Deerfield Academy · Deerfield, MA · 2025
To support continuing operations
$20,375
Emma Willard School · Troy, NY · 2025
To support continuing operations
$20,375
Lafayette College · Easton, PA · 2025
H. M. Riddle '51 fund for engineering education
$20,031
Deerfield Academy · Deerfield, MA · 2023
To support continuing operations
$20,031
Emma Willard School · Troy, NY · 2023
To support continuing operations
$20,031
Lafayette College · Easton, PA · 2023
H. M. Riddle '51 fund for engineering education
$16,411
Deerfield Academy · Deerfield, MA · 2022
To support continuing operations
$16,411
Emma Willard School · Troy, NY · 2022
To support continuing operations
$16,411
Lafayette College · Easton, PA · 2022
H. M. Riddle '51 fund for engineering education
$2,500
College Hill Presbyterian Church · Easton, PA · 2025
To support continuing operations
$2,500
College Hill Presbyterian Church · Easton, PA · 2024
To support continuing operations
$2,500
College Hill Presbyterian Church · Easton, PA · 2023
To support continuing operations
$2,000
Northampton Community College · Bethlehem, PA · 2025
To support continuing operations
$2,000
Northampton Community College · Bethlehem, PA · 2024
To support continuing operations
$2,000
Northampton Community College · Bethlehem, PA · 2023
To support continuing operations
$2,000
College Hill Presbyterian Church · Easton, PA · 2022
To support continuing operations
$2,000
Northampton Community College · Bethlehem, PA · 2022
To support continuing operations
$1,550
United Way of the Greater Lehigh Valley · Allentown, PA · 2023
To support continuing operations
$1,000
American Red Cross · Washington, DC · 2025
To support continuing operations
$1,000
American Red Cross · Washington, DC · 2024
To support continuing operations
$900
American Red Cross · Washington, DC · 2023
To support continuing operations
$800
Project of Easton · Easton, PA · 2025
To support continuing operations
$800
United Way of the Greater Lehigh Valley · Allentown, PA · 2025
To support continuing operations
$800
Project of Easton · Easton, PA · 2024
To support continuing operations
$800
United Way of the Greater Lehigh Valley · Allentown, PA · 2024
To support continuing operations
$800
Project of Easton · Easton, PA · 2023
To support continuing operations
$750
American Red Cross · Washington, DC · 2022
To support continuing operations
$750
Project of Easton · Easton, PA · 2022
To support continuing operations
$550
Moorings Park Foundation · Naples, FL · 2025
To support continuing operations
$550
Collier Community Foundation · Naples, FL · 2024
To support continuing operations
$550
Collier Community Foundation · Naples, FL · 2023
To support continuing operations
$500
Collier Community Foundation · Naples, FL · 2022
To support continuing operations
$300
Artis - Naples · Naples, FL · 2025
To support continuing operations
$300
Conservancy of Southwest Florida · Naples, FL · 2025
To support continuing operations
$300
The Historic Easton Cemetery · Easton, PA · 2025
To support continuing operations
$300
The Shelter for Abused Women and Children · Naples, FL · 2025
To suppport continuing operations
$300
Artis - Naples · Naples, FL · 2024
To support continuing operations
$300
Conservancy of Southwest Florida · Naples, FL · 2024
To support continuing operations
$300
The Historic Easton Cemetery · Easton, PA · 2024
To support continuing operations
$300
The Shelter for Abused Women and Children · Naples, FL · 2024
To suppport continuing operations
$300
Artis - Naples · Naples, FL · 2023
To support continuing operations
$300
Conservancy of Southwest Florida · Naples, FL · 2023
To support continuing operations
$300
The Historic Easton Cemetery · Easton, PA · 2023
To support continuing operations
$300
The Shelter for Abused Women and Children · Naples, FL · 2023
To suppport continuing operations
$300
Moorings Park Foundation · Naples, FL · 2022
To support continuing operations
$250
Artis - Naples · Naples, FL · 2022
To support continuing operations
$200
Conservancy of Southwest Florida · Naples, FL · 2022
To support continuing operations
$200
National Geographic Society · Washington, DC · 2022
To support continuing operations
$200
The Shelter for Abused Women and Children · Naples, FL · 2022
To suppport continuing operations
$150
Northampton County Historical Society & Geneealogical Society · Easton, PA · 2025
To support continuing operations
$150
D & L National Heritage Corridor · Easton, PA · 2024
To support continuing operations
$150
Northampton County Historical Society & Geneealogical Society · Easton, PA · 2024
To support continuing operations
$150
D & L National Heritage Corridor · Easton, PA · 2023
To support continuing operations
$150
National Geographic Society · Washington, DC · 2023
To support continuing operations
$100
Northampton County Historical Society · Easton, PA · 2022
To support continuing operations

Who else funds this kind of work

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.