Civil War Soldier
JAMES Dempsey
Offaly: Unknown Within Offaly
•
Army: Union
•
Born: 1820
•
Died: 1889
Soldier No. 312
3 Regular Army
At a glance
Town: 12 · Regiment: 12 · State: 12 · Town+Reg: 3
★ Major cluster in the records
Log in to unlock more tools.
Hero story
JAMES Dempsey in the wider Civil War story
JAMES Dempsey is recorded from Unknown Within Offaly with service in Union. The associated regiment record is 3 Regular Army Artillery.
TownUnknown Within Offaly
ArmyUnion
Regiment3 Regular Army Artillery
Battle/EventNot recorded yet
➕ Service & Context Tap to expand
This record places JAMES Dempsey from Unknown Within Offaly in Union service.
➕ Identity & Service Tap to expand
- Soldier Number
- 312
- Surname
- Dempsey
- First Name
- JAMES
- Alternative Name / Alias
- Demsey, James
- Soldier No. Of Relation
- Unknown / not yet recorded
- Offaly Town / Area
- Unknown Within Offaly
- Army
- Union
- Rank
- Private
- Company
- Co. F
- Regiment Number
- 3
- US State Regiment
- Regular Army
- Type Reg.
- Artillery
➕ Family & Life Tap to expand
- Mother
- Unknown / not yet recorded
- Father
- Unknown / not yet recorded
- Siblings
- Unknown / not yet recorded
- Family Connections / Other Relationship
- Unknown / not yet recorded
- Birth Year
- 1820
- Baptism Record
- Unknown / not yet recorded
➕ Conflict & Death Tap to expand
- Civil War Death Y/N
- N
- Battle Or Other Civil War Related Death
- Unknown / not yet recorded
- Death Year
- 1889
- Place of Death
- Unknown / not yet recorded
- State / Country Of Burial
- Unknown / not yet recorded
- Grave Site (link)
- Unknown / not yet recorded
➕ Service Map Tap to expand
Map pin not available yet
No latitude/longitude saved for this soldier yet.
➕ Life & Service Timeline Tap to expand
- Service: Union – 3 Regular Army Artillery – Co. F
- Death & Aftermath: Death year: 1889 • Civil War death: N
➕ Sources & References Tap to expand
➕ Related Soldiers Tap to expand
Records that may help trace families, units, and shared experiences.
From the same Offaly town / area
- CHRISTOPHER Armstrong — Soldier No. 207 | Unknown Within Offaly | Regular Army Ordnance | Union
- JAMES Barry — Soldier No. 217 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- MICHAEL Beggs — Soldier No. 218 | Unknown Within Offaly | 8 New Hampshire Infantry | Union | d. 1896
- WILLIAM Belton — Soldier No. 219 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- THOMAS Bergin — Soldier No. 220 | Unknown Within Offaly | 2 Regular Army Artillery | Union
- JOHN Berry — Soldier No. 222 | Unknown Within Offaly | 9 Regular Army Infantry | Union | d. 1864
- OWEN Bracken — Soldier No. 224 | Unknown Within Offaly | 12 Minnesota Infantry | Union | d. 1922
- JAMES Brennan — Soldier No. 198 | Unknown Within Offaly | 2 Regular Army Artillery | Union
- JOHN Brogan — Soldier No. 225 | Unknown Within Offaly | 3 Regular Army Infantry | Union
- JOHN Brown — Soldier No. 227 | Unknown Within Offaly | 1 Regular Army Infantry | Union
- CHARLES Brown — Soldier No. 226 | Unknown Within Offaly | 5 Regular Army Cavalry | Union | d. 1868
- WILLIAM Brown — Soldier No. 228 | Unknown Within Offaly | 110 New York Infantry | Union
Same surname (possible family group)
- DANIEL Dempsey — Soldier No. 203 | Rahan | 73 New York Infantry | Union | d. 1900
- PATRICK Dempsey — Soldier No. 315 | Unknown Within Offaly | General Service Regular Army N/A | Union
Served in the same regiment
- JAMES Barry — Soldier No. 217 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- WILLIAM Belton — Soldier No. 219 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- JOHN Brogan — Soldier No. 225 | Unknown Within Offaly | 3 Regular Army Infantry | Union
- THOMAS Clemens — Soldier No. 260 | Unknown Within Offaly | 3 Regular Army Artillery | Union | d. 1921
- PATRICK Connolly — Soldier No. 268 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- EDWARD Gates — Soldier No. 369 | Unknown Within Offaly | 3 Regular Army Infantry | Union
- MICHAEL Gaynor — Soldier No. 214 | Birr | 3 Regular Army Infantry | Union
- TIMOTHY Hogan — Soldier No. 184 | Shinrone | 3 Regular Army Cavalry | Union
- MICHAEL Keeley — Soldier No. 396 | Unknown Within Offaly | 3 Regular Army Infantry | Union
- MICHAEL Mccormick — Soldier No. 391 | Unknown Within Offaly | 3 Regular Army Infantry | Union
- JOHN Mcdermott — Soldier No. 386 | Ferbane | 3 Regular Army Infantry | Union
- JOSEPH Mcelroy — Soldier No. 163 | Tullamore | 3 Regular Army Artillery | Union
Served in regiments from the same US state
- CHRISTOPHER Armstrong — Soldier No. 207 | Unknown Within Offaly | Regular Army Ordnance | Union
- JAMES Barry — Soldier No. 217 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- WILLIAM Belton — Soldier No. 219 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- THOMAS Bergin — Soldier No. 220 | Unknown Within Offaly | 2 Regular Army Artillery | Union
- JOHN Berry — Soldier No. 222 | Unknown Within Offaly | 9 Regular Army Infantry | Union | d. 1864
- JAMES Brennan — Soldier No. 198 | Unknown Within Offaly | 2 Regular Army Artillery | Union
- JOHN Brogan — Soldier No. 225 | Unknown Within Offaly | 3 Regular Army Infantry | Union
- JOHN Brown — Soldier No. 227 | Unknown Within Offaly | 1 Regular Army Infantry | Union
- CHARLES Brown — Soldier No. 226 | Unknown Within Offaly | 5 Regular Army Cavalry | Union | d. 1868
- JAMES Buchanan — Soldier No. 231 | Unknown Within Offaly | 1 Regular Army Artillery | Union
- JAMES Buckley — Soldier No. 232 | Unknown Within Offaly | 2 Regular Army Artillery | Union
- PATRICK Burke — Soldier No. 234 | Unknown Within Offaly | 13 Regular Army Infantry | Union
Served in the same army
- NICHOLAS Allen — Soldier No. 138 | Rhode | 10 Maine Infantry | Union
- ISAAC Ardill — Soldier No. 139 | Seir Kieran | 2 New Jersey Infantry | Union | d. 1862
- CHRISTOPHER Armstrong — Soldier No. 207 | Unknown Within Offaly | Regular Army Ordnance | Union
- JOHN W Baker — Soldier No. 90 | Edenderry | 15 New York Engineers | Union | d. 1920
- JOHN Barrett — Soldier No. 157 | Tullamore | 6 Indiana Infantry | Union | d. 1888
- JAMES Barrett — Soldier No. 154 | Tullamore | 35 Indiana Infantry | Union | d. 1894
- JAMES Barry — Soldier No. 217 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- WILLIAM Cowell Bayley — Soldier No. 153 | Tullamore | 25 Pennsylvania Infantry | Union | d. 1889
- MICHAEL Beggs — Soldier No. 218 | Unknown Within Offaly | 8 New Hampshire Infantry | Union | d. 1896
- WILLIAM Belton — Soldier No. 219 | Unknown Within Offaly | 3 Regular Army Artillery | Union
- COL Michael Bennett — Soldier No. 92 | Edenderry | 28 New York Infantry | Union | d. 1909
- THOMAS Bergin — Soldier No. 220 | Unknown Within Offaly | 2 Regular Army Artillery | 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: Regular Army
➕ Research & Further Reading Tap to expand
- Edward Kavanagh, From Walsh Island, Co. Offaly. A New York Police Officer, Who Was Shot And Killed While On Duty In 1907. (2026-08-19)
- DAN & EDWARD BEHAN EDENDERRY’S CONFEDERATE SOLDIERS (2024-11-23)
- Thanks To Everyone Who Has Made Contact With Us, Helping To Add Vital Information To The Stories of Forgottten Offaly Soldiers – US Civil War 1861-1865. (2025-09-12)
- We Have Reached A Milestone Today – 400 Offaly Born Soldiers From The US Civil War Available To Search On : americasoffalyheroes.com (2025-07-24)
- Edward Doyle, An Offaly Man Who Served In The US Army From 1850 To 1890. (2025-06-10)
- Offaly’s Darkest Day Of The US Civil War? 2nd July 1863 At The Battle Of Gettysburg (2025-05-09)
âž• Suggest an Edit Logged-in researchers
Researchers can suggest edits after logging in.
Log in to submit corrections, sources, family links, or media for this profile.
Log in to suggest an edit
Available Details
| Name | James Dempsey |
| Alt’ Name | James Demsey |
| Location/ Birthplace | |
| Born | 1820 |
| Baptism Record | |
| Year of Death | 1889 |
| Grave Location | To Be Confirmed |
| US State | New York |
| US Residence | New York |
| Mother | |
| Father | |
| Other Family | Wife: Mary Roland |
| Army | Union Army Union army – Wikipedia |
| Military History | On Enlistment Register. Enlisted in 1859 at New York, confirms birth place as “Kings County, Ireland”. Discharged in 1862 due to Disability at Fort Monroe |
| Army Details | Co. F, 3rd Artillery Regular Army Soldier Details – The Civil War (U.S. National Park Service) Battle Unit Details – The Civil War (U.S. National Park Service) |
| Other Details |
https://search.findmypast.ie/record?id=USM%2FENLIST%2F004719497%2F00261&parentid=USM%2FENLIST%2F1348143452 
https://search.findmypast.ie/record?id=USM%2FENLIST%2F004719497%2F00261&parentid=USM%2FENLIST%2F1348143452 
https://www.ancestry.com/imageviewer/collections/4654/images/32959_032783-03076?ssrc=&usePUB=true&pId=10912434 
https://en.wikipedia.org/wiki/Fort_Monroe#/media/File:Fort_monroe_wounded_leslie.jpg
Leave a Reply