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Nonprofit · EIN 06-1077879

MIDDLESEX GENEALOGICAL SOCIETY

Tax-exempt (reinstated) · DARIEN, CT 06820

Address and contacts

Address (IRS master file)
PO BOX 9, DARIEN, CT 06820-0509
Mailing address (990-N for 2024)
PO Box 9, Darien CT 06820
Principal officer (990-N for 2024)
Stephen Flynn, 3 Half Mile Road, Darien CT 06820

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2025 990-N for MIDDLESEX GENEALOGICAL SOCIETY

Due May 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
06-1077879
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2014
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Revocation and reinstatement

Exemption revoked
May 15, 2011
Posted by the IRS
February 22, 2012
Reinstated
Effective May 15, 2011

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Stephen Flynn
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: John Driscoll
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: John Driscoll
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: John Driscoll
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: John Driscoll
December 31, 2019≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 06-1077879).

Questions about MIDDLESEX GENEALOGICAL SOCIETY

What is the EIN of MIDDLESEX GENEALOGICAL SOCIETY?
The employer identification number (EIN) of MIDDLESEX GENEALOGICAL SOCIETY is 06-1077879.
Is MIDDLESEX GENEALOGICAL SOCIETY tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2011 and reinstated it effective May 15, 2011.
Are donations to MIDDLESEX GENEALOGICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MIDDLESEX GENEALOGICAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MIDDLESEX GENEALOGICAL SOCIETY due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MIDDLESEX GENEALOGICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended December 31, 2024.
Who is the principal officer of MIDDLESEX GENEALOGICAL SOCIETY?
The 990-N for 2024 names Stephen Flynn.

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