William Arnott was born 6 December 1827, in
Pathhead,
Fife, Scotland, His father was David Millie and his mother was Isobella Arnott. In October 1847, he and his brother David set out for Sydney, Australia on board the assisted-immigrants' ship
Sir Edward Parry; they reached Sydney some 135 days later, on 17 February 1848. ==Career==