Corporal Sylvester Ackerman 

Born in North Castle, July 27 1845, parents John and Lydia Yerks Ackerman,
shoemaker, single.At age18 he enlisted for three years in Greenburgh in Co B, 135
Infantry, which became Co B, 6 N Y Heavy Artillery on October 8 1862. He was
promoted to corporal on November 16 1864, fought in battles at Manassas, Wilderness
and Spotsylvania and was mustered out on June 28 1865 in Petersburg, Va.
His cousin.Thomas, served in Co E of the 6 NY Heavy Artillery and lost his right arm in
battle of Cold Harbor. 
He lived in Kensico, was member in 1881 of G.A .. R, post 169, and died July 5 1892.
He has a family stone and G.A.R. marker, and is 8613 on the WPA location.
He is on page 6 of the North Castle Town Clerk's roster, #14 in Adjutant General's New
York Data Base and is on 551/roll 1 in NARA, National Archives