Quinlan was appointed as Major of the 88th New York Infantry in December 1861. He became the regiment's Lieutenant Colonel in October 1862, and was discharged in February 1863.
Quinlan was buried at Calvary Cemetery, Woodside, Queens County, New York.
CaptainJames Robb-Quinlan who earlier scored 47 against St David's was once again amongst the runs with a cameo knock of 40* off 32 balls (3x4;1x6) to see his side comfortably home with only three wickets down.