Martha R Neff Foundation

Private foundation · Grantmaker Tucson, AZ EIN: 74-2427378

Martha R Neff Foundation is a private foundation, based in Tucson, AZ. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $428K in total assets. In 2024, it awarded 2 grants totaling $25K. Net investment income was $25K.

Martha R Neff Foundation at a glance

In short: Martha R Neff Foundation gave $25K across 2 grants in 2024 (avg $13K), mostly in Arizona. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$25,000
+212.5% vs 2023
Grants made (2024)
2
+0.0% vs 2023
Average grant
$12,500
+212.5% vs 2023
Median grant
$12,500
Total assets
$427,777
+0.0% vs 2023
Primary geography
Arizona (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Martha R Neff Foundation funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2024

Scholarships a-Z: $16KScholarships a-Z$16KChildren's Museum Tucson: $9KChildren's Museum Tucson$9K

The largest 2024 recipient was Scholarships a-Z ($16K). Together the top 2 received $25K.

Grant Size Distribution

13 grants across all recorded years

13<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 13 grants of 13 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2024 grant dollars across all 2 itemized grants.

States

Cities

TucsonGoodyearPhoenixTempe

How Martha R Neff Foundation gives

  • Giving held roughly steady from 2021 to 2024 (−17%). Method
  • In 2024 it paid out 126% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K2 grants2020 4 grants2021 3 grants2022 2 grants2023 2 grants2024

From 2020 to 2024, annual grant giving ranged from $8K (2023) to $30K (2021). In 2024 it made 2 grants totaling $25K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Scholarships a-Z Tucson, AZProfessional Development$16,000
Children's Museum Tucson Tucson, AZCapital Campaign$9,000
Your AI grants department

Ready to take the next step with Martha R Neff Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$427,777$27,234$27,213$25,0002$26,359$25,364$20,890
2023$427,756$28,367$10,746$8,0002$9,908$26,069$20,089
2022$410,135$23,386$25,830$23,0003$24,822$25,771$20,765
2021$412,579$28,834$32,560$30,0004$31,658$25,810$24,384
2020$416,305$26,068$24,484$22,0002—$23,865$23,149

Under IRS private-foundation payout rules, Martha R Neff Foundation reported a distributable amount of $21K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Martha R Neff Foundation is led by Jennifer Lohse, President since 2022 (on filings since 2020); none of the 4 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Jennifer Lohse

    President

    Vice President → President, 2022

    On filings since 2020

    1 hr/week

    No compensation reported

  • Linda Lohse

    Secretary & Treasurer

    Secretary → Secretary & Treasurer, 2022

    On filings since 2020

    1 hr/week

    No compensation reported

  • Robert Lohse

    Vice President

    Treasurer → Vice President, 2022

    On filings since 2020

    1 hr/week

    No compensation reported

  • Patricia Lohse Not On Board

    Vice President of Operations

    Chief Financial Officer → Vice President of Operations, 2024

    On filings since 2022

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Patricia Lohse (2020–2021) — President

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Martha R Neff Foundation

How much does Martha R Neff Foundation give each year?

Martha R Neff Foundation gave $25K across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $8K across 2 grants.

How large is Martha R Neff Foundation?

Martha R Neff Foundation reported $428K in total assets on its 2024 IRS Form 990-PF. It paid out $26K in qualifying distributions that year, against a required minimum of $21K (roughly 5% of its investment assets).

Where does Martha R Neff Foundation operate?

Martha R Neff Foundation has awarded grants in Arizona.

What is Martha R Neff Foundation's EIN?

Martha R Neff Foundation's EIN (Employer Identification Number) is 74-2427378. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in Martha R Neff Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

Tucson Conquistadores Foundation

Tucson, AZ

Continuing to provide funds and leadership to organizations supporting youth and special needs athletes in Southern Arizona.

Assets

$9.5M

Grants

1

Total Given

$199K

Margaret E Mooney Foundation

Tucson, AZ

The Margaret E. Mooney Foundation supports a range of charitable work, including health, education, literacy, arts, and community programs, with grants often funding capital campaigns, endowments, and partnerships. Its 2025 grants ranged from $1,000 to $500,000, with a median of $230,000, and favored charities in Southern Arizona, especially the Greater Tucson area. It does not accept unsolicited requests.

Assets

$33.9M

Grants

7

Total Given

$1.7M

Mulcahy Foundation

Tucson, AZ

Assets

$2.6M

Grants

8

Total Given

$116K

Diamond Foundation

Tucson, AZ

The foundation supports human services, elder care, food assistance, university programs, and community and children’s services, primarily in Arizona, with some giving in New York. Its 2025 grants ranged from $500 to $5,000, with a median of $1,028. A 2023 filing says there is no special application form or deadline and no restriction to preselected organizations.

Assets

$241K

Grants

10

Total Given

$17K

Adler Schuppert Family Foundation

Wilmington, DE

The foundation’s 2025 grants supported organizations working in conservation, public media, food assistance, services for older adults, and adaptive sports, primarily in Arizona, with some funding in Minnesota and Maryland. Its 11 grants totaled $12,500, typically $1,000 each, with awards ranging from $1,000 to $2,500. It funds only preselected charities and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$801K

Grants

11

Total Given

$13K

United Way of Tucson and Southern Arizona Inc

Tucson, AZ

United Way of Tucson and Southern Arizona funds nonprofits serving Pima County residents in education, financial wellness, healthy living, housing stability, and homelessness prevention. Its 2025 grants ranged from $5,000 to $1,235,856, with a median of $17,282. It solicited proposals through its FY 2025–2026 Community Impact RFP, but that application closed August 13, 2025.

Philanthropy, Voluntarism & Grantmaking

Assets

$22.1M

Grants

78

Total Given

$6.8M

More similar funders

More Funders in Arizona

The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Martha R Neff Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

Martha R Neff Foundation down — hundreds of funders to go?

Want AI to do this for you?