John was born at
York Co., Pennsylvania, on 12 September 1844. He was the son of
Daniel Dellinger and
Magdalene Weyer. He married
Mary Ann Doll. John was listed as the head of a family on the 1870 Census at
Conewago Twp., York Co., Pennsylvania. John was listed as the head of a family on the 1880 Census at
Decatur, Macon Co., Illinois. He was census 1920 on 9 January 1920 at
National Home for Disabled Volunteer Soldiers, Danville, Vermilion Co., Illinois; Living in the National Home for Disabled Volunteer Soldiers during the time of the 1920 census for Danville Twp., Vermilion Co., Illinois in dwelling 20, along with 18 other men is John W. Dellinger. John is listed as a "member," male, white, age 75, widowed, can read and write, born in Pennsylvania, parents born in Pennsylvania, speaks English and has no occupation. John died in September 1929 at
Illinois. He was buried on 28 September 1929 at
Danville National Cemetery, Danville, Vermilion Co., Illinois.