Michael Brennan
Michael Brennan in the wider Civil War story
Michael Brennan is recorded from Birr with service in Union. The associated regiment record is 2 Wisconsin Infantry. This profile is linked to Died on the1st July 1863 at The Battle Of Gettysburg.
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This record places Michael Brennan from Birr in Union service.
Recorded battle/event: Died on the1st July 1863 at The Battle Of Gettysburg
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- Soldier Number
- 509
- Surname
- Brennan
- First Name
- Michael
- Alternative Name / Alias
- Brenan, Michael
- Soldier No. Of Relation
- Unknown / not yet recorded
- Offaly Town / Area
- Birr
- Army
- Union
- Rank
- Private
- Company
- Co. B
- Regiment Number
- 2
- US State Regiment
- Wisconsin
- Type Reg.
- Infantry
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- Civil War Death Y/N
- Y
- Battle Or Other Civil War Related Death
- Died on the1st July 1863 at The Battle Of Gettysburg
- Death Year
- 1863
- Place of Death
- Gettysburg, Pennsylvania
- State / Country Of Burial
- Pennsylvania, USA
- Grave Site (link)
- https://www.findagrave.com/memorial/287436662/michael-brennan
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➕ Life & Service Timeline Tap to expand
-
1
Service
Union – 2 Wisconsin Infantry – Co. B
-
2
Civil War Event
Died on the1st July 1863 at The Battle Of Gettysburg
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3
Death & Aftermath
Death year: 1863 • Civil War death: Y • Place: Gettysburg, Pennsylvania • Burial location: Pennsylvania, USA
- 4
➕ Linked Civil War Battles 1 linked
Battle of Gettysburg
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➕ Related Soldiers Tap to expand
Records that may help trace families, units, and shared experiences.
From the same Offaly town / area
- Thomas Sharkey — Soldier No. 12 | Birr | N/A On Draft Register N/A | Union
- Peter Guinan — Soldier No. 13 | Birr | 116 Pennsylvania Infantry | Union
- Martin Hart — Soldier No. 14 | Birr | 51 Ohio Infantry | Union
- John Holster — Soldier No. 15 | Birr | 1 North Carolina Cavalry | Confederate
- Michael Howe — Soldier No. 16 | Birr | 11 Kansas Cavalry | Union
- George Kennedy — Soldier No. 17 | Birr | 69 New York Infantry | Union
- John Sharkey — Soldier No. 18 | Birr | 11 New York Infantry | Union
- Daniel Kenney — Soldier No. 19 | Birr | 12 Regular Army Infantry | Union | d. 1863
- John Logan — Soldier No. 20 | Birr | 1 Regular Army Infantry | Union
- John Wilkinson — Soldier No. 21 | Birr | 24 Mississippi Cavalry | Confederate
- James Mooney — Soldier No. 22 | Birr | 11 Indiana Infantry | Union | d. 1864
- James Moore — Soldier No. 23 | Birr | 13 Pennsylvania Cavalry | Union
Same surname (possible family group)
- James Brennan — Soldier No. 198 | Unknown Within Offaly | 2 Regular Army Artillery | Union
Served in regiments from the same US state
- William Larkin — Soldier No. 9 | Banagher | 49 Wisconsin Infantry | Union | d. 1888
- William Potter Hume — Soldier No. 34 | Birr | 21 Wisconsin Infantry | Union
- Michael Deegan — Soldier No. 43 | Birr | 29 Wisconsin Infantry | Union | d. 1906
- Thomas Carmichael — Soldier No. 52 | Clonbullogue | 37 Wisconsin Infantry | Union | d. 1902
- Edward Dunn — Soldier No. 114 | Killeigh | 21 Wisconsin Infantry | Union
- James Dunn — Soldier No. 115 | Killeigh | 21 Wisconsin Infantry | Union
- Patrick Dunn — Soldier No. 116 | Killeigh | 21 Wisconsin Infantry | Union
- Patrick Derivan — Soldier No. 124 | Lusmagh | 29 Wisconsin Infantry | Union | d. 1863
- John Henry Cantwell — Soldier No. 134 | Rahan | 41 Wisconsin Infantry | Union | d. 1912
- Michael John Cantwell — Soldier No. 143 | Tullamore | 12 Wisconsin Infantry | Union | d. 1903
- Thomas Anthony Quinn — Soldier No. 148 | Tullamore | 1 Wisconsin Artillery | Union
- William Cleary — Soldier No. 194 | Killeigh | 18 Wisconsin Infantry | Union | d. 1918
Served in the same army
- James Fahy — Soldier No. 1 | Banagher | 2 New York Cavalry | Union | d. 1898
- Michael Kenny — Soldier No. 2 | Banagher | 10 New York Infantry | Union | d. 1904
- Edward Hopper — Soldier No. 3 | Banagher | 5 New Jersey Infantry | Union | d. 1870
- James Flynn — Soldier No. 4 | Banagher | 1 New York Cavalry | Union | d. 1864
- Thomas Flynn — Soldier No. 5 | Banagher | 62 New York Infantry | Union | d. 1873
- Thomas McKenny — Soldier No. 6 | Banagher | 44 Ohio Infantry | Union | d. 1929
- Keeran McKenny — Soldier No. 7 | Banagher | 110 Ohio Infantry | Union | d. 1927
- William Galvin — Soldier No. 8 | Banagher | 104 New York Infantry | Union | d. 1862
- William Larkin — Soldier No. 9 | Banagher | 49 Wisconsin Infantry | Union | d. 1888
- Marcus Beresford Monck — Soldier No. 10 | Banagher | 11 New York Infantry | Union | d. 1862
- Dennis Bracken — Soldier No. 11 | Banagher | 56 Massachusetts Infantry | Union | d. 1864
- Thomas Sharkey — Soldier No. 12 | Birr | N/A On Draft Register N/A | Union
➕ Regiment State Map Tap to expand
Cluster map of US State Regiment from the master register (one marker per state).
➕ Media & Linked Resources 2 items
➕ Research & Further Reading Tap to expand
- 250th American Independence Day – 4th July 2026. (2026-07-04)
- Corporal John Holster – A Confederate Soldier. Born In Birr, County Offaly in 1828. (2026-06-11)
- The Battle Of Antietam – September 1862. Seven Offaly Men Are Members Of The “Fighting Irish”, The 69th New Yorkers. (2026-04-09)
- From US Civil War Soldier To Methodist Minister. Reverend William Wallis, Born In Birr, Offaly 1836. (2026-03-20)
- Union Soldiers John & Nicholas Connor. Brothers Who Died During the US Civil War. Their Family Originated In Birr, County Offaly. (2025-12-12)
- John Renehan – Born In County Offaly, Ireland. Part Of The Union Garrison At Fort Sumter On Friday 12th April 1861. (2025-11-07)
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Available Details
| Name | Michael Brennan |
| Alt’ Name | Michael Brenan |
| Location/ Birthplace | Birr Birr, County Offaly – Wikipedia This has to be clarified as some records state he was born in Vermont, USA. All his other family records show “Kings County, Ireland As place of birth, Newspaper records state some relations were from Birr. |
| Born | 1833 |
| Baptism Record | |
| Year of Death | 1st July 1863 At The Battle Of Gettysburg Battle of Gettysburg – Wikipedia |
| Grave Location | Burial Details Unknown. Named As One Of The Dead At Gettysburg. PVT Michael Brennan (1833-1863) – Find a Grave Memorial |
| US State | Vermont & Wisconsin |
| US Residence | Rutland, Vermont Rutland (city), Vermont – Wikipedia |
| Mother | Mary Thompson Mary Thompson Brennan (unknown-1869) – Find a Grave Memorial |
| Father | Geoffrey Brennan Geoffrey Brennan (unknown-1847) – Find a Grave Memorial |
| Other Family | Brother: James Half Brother: Philip Page 17 – US, Civil War “Widows’ Pensions”, 1861-1910 – Fold3 |
| Army | Union Army Union army – Wikipedia |
| Military History | Enlisted in February 1862 at Madison, Wisonsin. |
| Army Details | Co. B, 2nd Wisconsin Infantry Soldier Details – The Civil War (U.S. National Park Service) Battle Unit Details – The Civil War (U.S. National Park Service) |
| Other Details | Letters written by this soldier available to read in widows pension file, Page 23 – US, Civil War “Widows’ Pensions”, 1861-1910 – Fold3 |

https://www.findagrave.com/memorial/287436662/michael-brennan 

https://www.findagrave.com/memorial/176535605/mary-brennan 
https://www.ancestry.com/imageviewer/collections/1607/images/31394_203815-00432?pId=60045098 
https://www.fold3.com/image/297163161/brenan-michael-page-4-us-civil-war-widows-pensions-1861-1910
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