(c. 1842 - 1889)
Home State: New York
Branch of Service: Infantry
Unit: 69th New York Infantry
His father Matthew (b.c. 1800) drowned in 1851, and he, his mother, and his brother Daniel emigrated from County Kilkenny to New York. Age 19, he enlisted in New York City to serve three years, and mustered in as Private, Company C, 69th New York Infantry on 20 September 1861.
On the Campaign
He was wounded in the right knee in action at Antietam on 17 September 1862.
The rest of the War
He transferred to Company B, date not given. His leg was amputated above the knee due to necrosis on 24 November 1862 by Surgeon H.S. Hewitt at a US General Hospital in Frederick, MD. He was discharged for wounds at New York City on 22 (or 24) April 1863.
References & notes
Service information from the Roster,1 which also has his first name as Lewis and his last alternately as Magher, Mahar and Meagher. Treatment details from McLernon,2 citing the Medical and Surgical History of the War of the Rebellion (1870). Bio details from Joseph Casimir O'Meagher's Some Historical Notices of the O'Meaghers of Ikerrin (1890), which has him both as Louis and Lewis.
c. 1842 in IRELAND
1 State of New York, Adjutant-General, Annual Report of the Adjutant General of the State of New York [year]: Registers of the [units], 43 Volumes, Albany: James B. Lyon, State Printer, 1893-1905, For the Year 1901, Ser. No. 28, pg. 203 [AotW citation 18137]
2 McLernon, Robert, Casualty List, 69th New York Volunteer Infantry, Meagher's Irish Brigade, Bloody Lane, Antietam, Maryland, September 17, 1862, Springfield (Va): R. McLernon, 2014, pg. 19 [AotW citation 18138]