Record of Commissioned Officers Civil War
(Title Page of NY AG Report of NY in CW;Vol. 1)

To help you start your own search, we recommend these two database indexes only exclusivly of Civil War Soldiers:

The NY State Archives Civil War Soldiers Database

NPS Civil War Soldiers and Sailors System

Another great resource is The Adjutant General Report which contains a Brief Service Record of Every NYS Volunteer who served in the War and was active. These volume sets are for 1861-1865. The Adjutant General Report contains a Brief Service Record of Every NYS Volunteer who served in the War and was active.

Here is an example of a Service Record of one Edward Corbet of the 3rd NYVI:

Edward Corbet, Civil War