In the 1880 US Census for District 114, Bethel, Fairfield County, Connecticut the family of Royal Sniffen was enumerated as follows:
Dwelling #72; Family #89
Sniffen, Royal; W; M; 30; Married; Worker hat factory; b. Connecticut; Both parents b. Connecticut
Sniffen, Mary; W; F; 30; Wife; Married; Keeps house; b. Connecticut; Both parents b. Connecticut
Sniffen, Hattie; W; F; 9; Daughter; Single; At school; Attended school within the year; b. Connecticut; Both parents b. Connecticut
Sniffen, Charles; W; M; 7; Son; Single; At school; Attended school within the year; b. Connecticut; Both parents b. Connecticut
Sniffen, Willie; W; M; 4; Son; Single; At school; Attended school within the year; b. Connecticut; Both parents b. Connecticut
Sniffen, John; W; M; 2; Son; Single; b. Connecticut; Both parents b. Connecticut
Sniffen, Infant; W; M; 2/12; Son; Single; b. Connecticut; Both parents b. Connecticut