In the 1900 US Census for District 20, Middleport, Iriquois County, Illinois the family of John Fellows was enumerated as follows:
Dwelling #21; Family #28 (Locust Street)
Fellows, John; Head; White; Male; b. Jan 1836; 64; Married for 30 years; b. New York; Both parents b. New York; Landlord; Can read, write and speak English; Owns non-farm home free of mortgage
Fellows, Mary; Wife; White; Female; b. Apr 1854; 46; Married 30 years; Mother of no children; b. Illinois; Both parents b. New York; Can read, write and speak English