Gerard B Lambert Foundation

HARRISON, NY EIN: 31-1814353

The Gerard B Lambert Foundation is a private grantmaking foundation established in 1976 by Rachel Lambert "Bunny" Mellon to honor her father, Gerard Barnes Lambert (1886-1967), a St. Louis-based industrialist and World War I veteran. Based in Harrison, New York, the foundation became an active grantmaking institution in 2014 following Bunny Mellon's death and the transfer of her estate to the foundation. The foundation holds 501(c)(3) tax-exempt status and has been recognized as tax-exempt since February 2002.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$95.0M

+2.9% YoY

Annual Giving

$8.8M

+75.0% YoY

Grant Count

28

+16.7% YoY

Avg Grant Size

$316K

+50.0% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation focuses on children's health and well-being, historic preservation, arts in healthcare settings, and nature-based healing approaches. The foundation emphasizes a holistic approach to wellness, with leadership noting that activities like gardening can serve therapeutic purposes for children.

The foundation was instrumental in the development of the Oak Spring Garden Library and its contents, which promotes the advancement of practical and theoretical knowledge of botanical specimens, gardens, garden design, and history. In 2016, the foundation transferred its interest in Oak Spring Garden LLC to the Oak Spring Garden Foundation, a private operating foundation established by Rachel Mellon, which continues to maintain and operate the library.

Grantmaking

The foundation operates on an invitation-only basis and does not accept unsolicited grant requests. It makes contributions only to preselected charitable organizations.

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Geographic Focus

Where this funder awards grants

The foundation has a national focus with particular concentration in the Washington D.C. area. Primary funding areas include the District of Columbia, New York, and Virginia.

Grant Distribution by State

11states
+3 more states

Cities

ArlingtonBethesdaBrooklynColorado SpringsHudsonKents HillLake ToxawayLong Island CityLynchburgMount KiscoNantucketNew HavenNew OrleansNew YorkOstervillePawlingPenlandPotomacPrincetonSalem

Financial History

Multi-year comparison from IRS filings

Assets & Giving (2024):

  • Total assets: $95,006,980
  • Total charitable disbursements: $9,088,930
  • Number of grants: 24

Assets & Giving (2023):

  • Total assets: $92,294,669
  • Total revenue: $3,661,593
  • Total expenses: $5,905,940

Assets & Giving (2023 - Alternative Source):

  • Total assets: $92.3 million
  • Revenue: $3.66 million
  • Expenses: $5.91 million
  • Total liabilities: $0
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$3M$5M$8M$11M20202021202220232024
Metric202420232022
Total Assets$95,006,980$92,294,669$86,043,475
Revenue$4,050,359$3,661,593$9,549,805
Expenses$9,514,485$5,905,940$5,834,327
Qualifying Distributions$9,088,930$5,282,827$5,284,006
Net Investment Income$3,878,521$2,824,135$8,546,482
Distributable Amount$4,657,116$4,307,070$4,077,381

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$4M$7M$9M17 grants202019 grants202118 grants202224 grants202328 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

WORLD MONUMENTS FUND INC$2.0MGEORGETOWN UNIVERSITY$1.0MINSTITUTE FOR ADVANCED S…$1.0MNATIONAL GALLERY OF ART$1.0MWHITE HOUSE HISTORICAL A…$1.0MCHILDREN'S NATIONAL MEDI…$452KSOUTHERN HIGHLANDS PRESE…$250KFRIENDS OF FONDATION DE …$225KUS SCIENCES PO FOUNDATION$220KINSTITUTE FOR ADVANCED S…$200K

Grant Size Distribution

106 grants across all recorded years

46<$50K11$50–100K21$100–250K8$250–500K8$500K–1M12$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

  • Thomas L Lloyd – Director, President, Treasurer
  • Stacy B Lloyd IV – Director, Vice President
  • Jane MacLennan – Director, Secretary

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
THOMAS L LLOYDDIRECTOR, PRESIDENT, TREASURER4
STACY B LLOYD IVDIRECTOR, VICE PRESIDENT4
JANE MACLENNANDIRECTOR, SECRETARY4

Recent News & Activity

Recent developments and announcements

The foundation has established significant initiatives at the White House Historical Association, including the Gerard B. Lambert Endowed Chair in White House History and the Gerard B. Lambert Foundation Fellows in White House History Program. The foundation's $8 million gift to the White House Historical Association represents one of its major recent commitments.

Gerard B. Lambert Foundation Fellowship in White House History

The foundation has also supported organizations such as RxArt, which commissions contemporary artists to transform sterile children's hospitals into engaging and inspiring environments, reflecting the foundation's commitment to arts in healthcare settings.

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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