On 4 December 1920 Donald Sidney Collins was born to Dorothy Ellen Houlde and Robert Gregory Collins. 
He gained his School Certificate in Wellington in 1938. 
His engagement notice refers to him as Sergeant Donald Sidney Collins. 
Marriage Notice - August 1943 
COLLNS--WILLIAMS.—On August 28, 1943, at St. Giles Presbyterian Church, Kilbirnie, by Rev. A. W. Armstrong, Jessie Roberta (Bobbie) youngest daughter, of Mr. and Mrs. A. F. Williams, Lyall Bay to Donald Sidney, only son of Mr. and Mrs. R. G. Collins, Kilbirnie.
On 10 September 1984 Donald Sidney Collins passed away aged 63.