Civil War Soldier
Thomas Cassidy
Offaly: Birr
•
Army: Union
•
Born: 1845
•
Died: 1889
Soldier No. 37
80 New York
At a glance
Town: 12 · Regiment: 1 · State: 12 · Town+Reg: 0
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Hero story
Thomas Cassidy in the wider Civil War story
Thomas Cassidy is recorded from Birr with service in Union. The associated regiment record is 80 New York Infantry.
TownBirr
ArmyUnion
Regiment80 New York Infantry
Battle/EventNot recorded yet
3 documented life events
0 linked battles
2 media and research links
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This record places Thomas Cassidy from Birr in Union service.
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- Soldier Number
- 37
- Surname
- Cassidy
- First Name
- Thomas
- Alternative Name / Alias
- Unknown / not yet recorded
- Soldier No. Of Relation
- Unknown / not yet recorded
- Offaly Town / Area
- Birr
- Army
- Union
- Rank
- Private
- Company
- Co. #N/A
- Regiment Number
- 80
- US State Regiment
- New York
- Type Reg.
- Infantry
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- Civil War Death Y/N
- N
- Battle Or Other Civil War Related Death
- Unknown / not yet recorded
- Death Year
- 1889
- Place of Death
- Bayonne, New Jersey
- State / Country Of Burial
- New Jersey, USA
- Grave Site (link)
- https://www.findagrave.com/memorial/86742939/thomas-cassidy
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1
Service
Union – 80 New York Infantry – Co. #N/A
-
2
Death & Aftermath
Death year: 1889 • Civil War death: N • Place: Bayonne, New Jersey • Burial location: New Jersey, USA
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3
Burial / Grave
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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
Served in the same regiment
- Alexander Coughlin — Soldier No. 281 | Unknown Within Offaly | 80 New York Infantry | Union | d. 1904
Served in regiments from the same US state
- 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
- 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
- William Galvin — Soldier No. 8 | Banagher | 104 New York Infantry | Union | d. 1862
- Marcus Beresford Monck — Soldier No. 10 | Banagher | 11 New York Infantry | Union | d. 1862
- George Kennedy — Soldier No. 17 | Birr | 69 New York Infantry | Union
- John Sharkey — Soldier No. 18 | Birr | 11 New York Infantry | Union
- John Connor — Soldier No. 27 | Birr | 33 New York Infantry | Union | d. 1861
- Michael Briscoe — Soldier No. 38 | Birr | 132 New York Infantry | Union | d. 1864
- Robert McComb — Soldier No. 45 | Bracknagh | 168 New York Infantry | Union | d. 1907
- Michael Nolan — Soldier No. 47 | Clara | 14 New York Cavalry | Union
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).
This soldier’s regiment state: New York
➕ 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 | Thomas Cassidy |
| Alt’ Name | Thomas Cassidy |
| Location/ Birthplace | Eglish, Birr Area |
| Born | 1845 |
| Baptism Record | |
| Year of Death | 1889 |
| Grave Location | Bayonne, New Jersey Thomas Cassidy (unknown-1889) – Find a Grave Memorial |
| US State | New Jersey |
| US Residence | Hudson City, New Jersey |
| Mother | |
| Father | John Cassidy |
| Other Family | |
| Army | Union Army Union army – Wikipedia |
| Military History | |
| Army Details | 80th New York Infantry. Enlisted in March 1864 towards end of war, was not assigned to a company. 80th_Infantry_CW_Roster.pdf |
| Other Details |
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