I found this he was in the 193rd company B in NY I assume....
ROSENBARKER, Hiram Co B 193rd Reg. Civil War, 1832-d. Apr. 9, 1910
{from 'Early History of Hopkinton' Hiram Rosenbarker, born Feb. 14, 1831, Co B 193rd Regiment, enlisted Feb. 19, 1865 for 3 years, private, bounty $200, married, farmer in Hopkinton}
{recorded in Azro Beecher's Diary, Hiram Rosenbarker died Apr. 9, 1910}
{from Kittie Irish's Diary: Hiram Rosenbarker died Apr. 9, 1910}
[from stone: 1832-1910]
Mary, his wife, [from stone:1836-1910]
Amelia S., wife of Hiram, d. Mar. 25, 1888 @ 48 yrs; from small book of burials, says she was buried Mar. 26, 1888 as Mrs. Hyram ROSINBACKER
[from stone: died Mar. 25, 1888 @ 48 yrs]
Susan L., daughter of Hiram & Amelia, d. Oct. 11, 1877 @ 20 yrs; buried Oct. 11, 1877 as recorded in Olivia Atwood's diary; record of burials in Hopkinton Village Cemetery by W.S. Phelps says she was buried Oct. 11, 1877
[from stone: Oct. 11, 1877 @ 20 yrs]
Link to sight...
http://stlawrencecountycemeteries.org/Hopkinton/Ft. Jackson RS.htm
http://stlawrencecountycemeteries.org/Hopkinton/ft_jackson_intro.htm