I have looked up this serviceman, but I can't find a John Bigelow with this birth, death, rank or spouse information matching this John. Someone from his lineage should work on verifying his service record with the DAR.
Here is the closest match:
BIGELOW, JOHN Ancestor #: A010041
Service: MASSACHUSETTS Rank: PRIVATE
Birth: 1765 WESTON MASSACHUSETTS
Death: POST 1800
Service Description: 1) CAPT JOHN HAYWARD,COL. WEBB
Spouse: Lydia Spring
