William Lyster May Foundation

EIN 23-7862364 • West Chester, PA

217 E Washington StWest Chester, PA 19380

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

0.00x

Tied with the lowest-debt nonprofits in its peer group.

<$500k nonprofits • Source year 2024

0.00x

Tied with the lowest-debt nonprofits in its peer group.

<$500k nonprofits • Source year 2024

-118%

Higher net margin than 10% of similar nonprofits.

<$500k nonprofits • Source year 2024

$25,325

Higher top officer pay than 95% of similar nonprofits.

Top officer pay equals 156.7% of source-year revenue.

<$500k nonprofits • Source year 2024

-42%

Faster asset growth than 20% of similar nonprofits.

<$500k nonprofits • Annualized from 2022 to 2024

5.7%

Faster revenue growth than 59% of similar nonprofits.

<$500k nonprofits • Annualized from 2022 to 2024

Balance Sheet

Liabilities / Assets61st percentile

Assets

Down

$10,318

Down $20,794 (-67%) from 2022

Liabilities

Flat

Flat from 2022

Net Assets

Down

$10,318

Down $20,794 (-67%) from 2022

Operations

Liabilities / Revenue62nd percentile Net Margin10th percentile

Revenue

$16,158

Up $1,708 (+12%) from 2022

Expenses

$35,300

Up $26,300 (+292%) from 2022

Net Income

Down

-$19,142

Down $24,592 (-451%) from 2022

Trend Graphs

Balance Sheet Trend

Asset Growth20th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

Highlighted filing

2024

Assets$10,318

Liabilities$0

Net Assets$10,318

Open 2024 Filing

Operations Trend

Revenue Growth59th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

Highlighted filing

2024

Revenue$16,158

Expenses$35,300

Net Income-$19,142

Open 2024 Filing

Filings

Most recent year

2024 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing

Assets: $10,318
Liabilities: $0
Net assets: $10,318
Revenue: $16,158
Expenses: $35,300
Net income: -$19,142

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2024Detailed filing. Detailed filing data is available for this year.	$10.3	$0.00	$10.3	$16.2	$35.3	$19.1
2022XML pending. An XML filing is linked for this year, but detailed extraction is still pending.	$31.1	$0.00	$31.1	$14.5	$9.00	$5.45
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.	$23.7	$0.00	$23.7	$7.77	$1.91	$5.86
2020XML pending. An XML filing is linked for this year, but detailed extraction is still pending.	$15.9	$0.00	$15.9	$0.10	$2.00	$1.90
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.	$16.9	$0.00	$16.9	$4.32	$1.20	$3.12
2017Detailed filing. Detailed filing data is available for this year.	$14.2	$0.00	$14.2	$0.10	$1.00	$0.90
2016XML pending. An XML filing is linked for this year, but detailed extraction is still pending.	$13.0	$0.00	$13.0	$0.82	$1.02	$0.19
2015XML pending. An XML filing is linked for this year, but detailed extraction is still pending.	$13.2	$0.00	$13.2	$1.34	$1.03	$0.31
2014Detailed filing. Detailed filing data is available for this year.	$12.9	$0.00	$12.9	$0.10	$1.25	$1.15
2013Detailed filing. Detailed filing data is available for this year.	$13.6	$0.00	$13.6	$0.60	$1.20	$0.60

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jan 1, 2024 to Dec 31, 2024
Signed: Sep 14, 2025
Return Version: 2024v5.2

Compensation and Service Providers

Top Officer Pay95th percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
-	Manager	PT	$25,325	-	$25,325
RICHARD MAY	Trustee	PT	$0	-	-
JULIE MAY	Trustee	PT	$0	-	-

Filing and Contact Details

Filer

Filer Name: William Lyster May Foundation
EIN: 23-7862364
Phone: 6104368822
Address: 217 E WASHINGTON ST, WEST CHESTER, PA 19380

Signing Officer

Name: Julie C May
Title: Trustee
Phone: 6104368822
Signed: 2025-09-14

Raw XML Appendix249 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990ScheduleB/ContributorInformationGrp/ContributorPersonNm	0	RICHARD MAY
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1Txt	0	217 E WASHINGTON ST
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/CityNm	0	WEST CHESTER
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/StateAbbreviationCd	0	PA
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCd	0	19380
IRS990ScheduleB/ContributorInformationGrp/PersonContributionInd	0	X
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt	0	15000
IRS990ScheduleB/GeneralRuleInd	0	X
IRS990ScheduleB/Organization501c3ExemptPFInd	0	X
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt	0	25325
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt	1	9600
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt	0	ON MARKET SOLUTIONS MARKETING
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt	1	GAIL BRANSON ADMINISTATIVE
TaxesSchedule/TaxesDetail/CategoryTxt	0	TAXES & FEES
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm	0	JULIE C MAY
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	TRUSTEE
ReturnHeader/BusinessOfficerGrp/PhoneNum	0	6104368822
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2025-09-14
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	WILLIAM LYSTER MAY FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt	0	WILL
ReturnHeader/Filer/EIN	0	237862364
ReturnHeader/Filer/PhoneNum	0	6104368822
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	217 E WASHINGTON ST
ReturnHeader/Filer/USAddress/CityNm	0	WEST CHESTER
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	PA
ReturnHeader/Filer/USAddress/ZIPCd	0	19380
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	true
ReturnHeader/ReturnTs	0	2025-10-11T13:08:42-07:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2024-01-01
ReturnHeader/TaxPeriodEndDt	0	2024-12-31
ReturnHeader/TaxYr	0	2024