Marilyn Mason Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Marilyn Mason Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 38-3317749

Foundation Overview

Based in Lincoln, MA, Marilyn Mason Foundation has awarded 10 grants totaling $30,000 to organizations in New York, Michigan and 1 other state across the US. Individual grants range from $1,000 to $5,000, with a median award of $3,000.

Latest Tax Year
2023
Total Giving (all years)
$30,000
Total Assets
$330,357
Median Grant (all grants)
$3,000

Latest Form 990-PF Snapshot

Total Grants
4
Median Grant
$4,000
% Median Grant Growth
+100% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Highly Accessible: 75%

3 of 4 recipients (75%) were new grantees. Foundation prioritizes discovering new partners. Most funding supports first-time applicants with compelling missions.

Geographic Focus
New York

60% of grants are awarded in New York, with additional funding distributed across 2 other locations. The foundation balances regional focus with broader geographic diversity. Within New York, funding concentrates in New York (100%).

Funding Trajectory
+44%

Moderate 44% growth trend over 3 years suggests stable and gradually increasing funding capacity. This positive trajectory indicates reliable grant-making resources and sustainable philanthropic commitment.

Program Areas
General Purposes

Highly focused on general purposes with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Marilyn Mason Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
American Guild Of Organists $4,000 New York, NY, US Create Memorial Grant 2023
Longy School Of Music $4,000 Cambridge, MA, US Operating Fund 2023
Juventas New Music Ensemble $1,000 Boston, MA, US Operating Fund 2023
Apollo Ensemble Of Boston $4,000 Boston, MA, US Operating Fund 2023
American Guild Of Organists $2,000 New York, NY, US Create Memorial Grant 2022
American Guild Of Organists $2,000 New York, NY, US Create Memorial Grant 2022
American Guild Of Organists $2,000 New York, NY, US Create Memorial Grant 2022
American Guild Of Organists $2,000 New York, NY, US Create Memorial Grant 2021
1st Congregational Church $5,000 Ann Arbor, MI, US Memorial Grant 2020
American Guild Of Organists $4,000 New York, NY, US Create Memorial Grant 2020

Foundations Similar to Marilyn Mason Foundation

Discover 5 foundations with comparable assets ($324,104-$334,459), similar grant patterns, and geographic focus in MA that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 04-6791032 | 44 grants awarded
$331,733
(≈ Similar)
$3,000
median grant
Worcester, MA
Same state
100%
Excellent match

EIN: 81-4376291 | 35 grants awarded
$332,949
(≈ Similar)
$2,000
median grant
North Andover, MA
Same state
100%
Excellent match

EIN: 04-6036659 | 23 grants awarded
$334,459
(≈ Similar)
$5,000
median grant
Natick, MA
Same state
99%
Excellent match

EIN: 13-6153690 | 12 grants awarded
$324,424
(≈ Similar)
$2,000
median grant
Boston, MA
Same state
99%
Excellent match

EIN: 84-7111845 | 10 grants awarded
$324,104
(≈ Similar)
$2,500
median grant
Pittsfield, MA
Same state
99%
Excellent match

Contact Information

Official contact details for Marilyn Mason Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 38-3317749
Website N/A
Address 79 OLD SUDBURY RD Lincoln, MA 01773-4806

Key People (2)

Board members, trustees, and key staff who oversee Marilyn Mason Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Director Merritt C Brown
Director Edward A Brown

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for Marilyn Mason Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.