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John W. Brennen 1862–1895

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 2 independent trees
Birth year and location consistent across 2 trees
Death year and location consistent across 2 trees

Compare a Public Tree Person with your own tree using Compare Tree.

B Reliability
B
Reliability Score: B
Medium — based on the source tree
Grade scale
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
Verification checklist
  • Record available
  • Descendant's record available
  • Star tree owner

2 researchers on YourRoots have John Brennen in their family trees — each with their own records and documentation. Trace the migration path across 2 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: August 25, 2026 · Reliability: B — verified across 2 independent trees

Born 10 Mar 1862 · Lancaster, Erie, New York, United States
Died 24 Sep 1895 · Corning, Steuben, New York, United States
Father Michael Brennen
Mother Anna M Foley
Siblings Anna M Brennen, Ellen Elenora Brennen, James Brennen, Katherine Brennan Werrick, Lucy Brennen, Margaret Agnes Brennen, Michael Brennen, William Brennen
Records
1870 United States Federal Census 1900 United States Federal Census 1910 United States Federal Census 1920 United States Federal Census 1930 United States Federal Census New York, U.S., State Census, … U.S., City Directories, 1822-1995 U.S., Newspapers.com™ Obituary Index, 1800s-current U.S., Social Security Applications and … New York, U.S., State Census Ancestry Family Tree
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Researchers connected through John Brennen 1862–1895

and 1 more tree owner connected with John Brennen 1862–1895

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

John W. Brennen was born in 1862 in Lancaster, Erie, New York, United States, the child of michael brennen and anna m foley. John W. Brennen passed away in 1895 in Corning, Steuben, New York, United States.

Sources

  1. 1
    Census 1870 United States Federal Census

  2. 2
    Census 1900 United States Federal Census

  3. 3
    Census 1910 United States Federal Census

  4. 4
    Census 1920 United States Federal Census

  5. 5
    Census 1930 United States Federal Census

  6. 6
    Census New York, U.S., State Census, 1865

  7. 7
    City Directory U.S., City Directories, 1822-1995

  8. 8
    Newspaper U.S., Newspapers.com™ Obituary Index, 1800s-current

  9. 9
    Social Security U.S., Social Security Applications and Claims Index, 1936-2007

  10. 10
    Census New York, U.S., State Census

  11. 11
    Record Ancestry Family Tree

Life Timeline

1862
Birth of John W. Brennen in Lancaster, Erie, New York, United States
Birth
1895
Death of John W. Brennen in Corning, Steuben, New York, United States
Death

Oldest Ancestor Line from John Brennen

This ancestor line traces from County Wicklow, Ireland (1832) to Lancaster, Erie, New York, United States (1862) across 2 generations.

Direct Lineage
generations

Frequently Asked Questions

John Brennen (1862–1895) was born in Lancaster, Erie, New York, United States and died in Corning, Steuben, New York, United States. 2 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (B) based on cross-tree validation.
Right now, 2 researchers on YourRoots have John in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 2 generations of this lineage geographically.
It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.

Related Records

Michael Brennen
Father
Anna M Foley
Mother

John Brennen's Ancestors

Pedigree chart — 3 generations on record

Self
John W. Brennen PTP
1862–1895
Lancaster, Erie, New York, United States
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

John Brennen's Descendants

1.
JB
John W. Brennen PTP 1862–1895