(? - 1862)
Home State: New York
Branch of Service: Infantry
Unit: 104th New York Infantry
He was in Company C.
On the Campaign
He was killed in action on 17 September 1862 at Antietam.
The rest of the War
Reinterred from his original burial at Smoketown, MD to the National Cemetery sometime before the end of 1867.
References & notes
Basic information from the Antietam Cemetery History1, which has him as William Slack, Co. C.
09/17/1862; Sharpsburg, MD; burial in Antietam National Cemetery, Sharpsburg, MD