1901 Census for Killerby there is the family of Jeffrey and Margaret Butterfield, with a son William T., age 2, but no Thomas, who would be about 5 years old. Jeffrey Butterfield was born in Old Shildon, as was Thomas, according to information from "Solders Died in the Great War". Thomas enlisted at Darlington, resided at Heighington, and was killed in action.

He was part of the Expeditionary Force in France from 11/09/1915 to 01/07/1916. War Medals: 1914-18 Star, British War Medal and Victory Medal.

From Army Form W. 5080, dated May 22, 19?0 (1920?),Thomas had 2 full brothers, William Butterfield, age 22, c/o Mr Wise, Preston le Skerne, Joseph Butterfield,age 20, School Aycliffe, Heighington, a half brother John H. Wright, age 30, School Aycliffe, Heighington, a full sister, Mary Butterfield, age 16, Alms Houses, Staindrop, and 2 nieces, Elsie and Gladys Wright, age 8 & 10, of School Aycliffe. J. H. Wright lived at The Hall Farm, School Aycliffe, Heighington.

A death hasbeen found for a Margaret Butterfield, age 38, in 1910, and for Jeffrey Butterfield, age 47, in 1919, both in Teesdale.