Wilson was born in
Sydney, the first of four sons of William Joshua Wilson (1843–1899) and Jessie Elizabeth (née Shepherd). On his birth Wilson was a child of independent means as in 1865 his grandfather, Felix Wilson, had died and
willed by entail Tocal to his unborn grandson. His younger brothers were
William Hardy Wilson (1881–1955), Lindsay Wilson (born 1883–1959) and Robert Shepherd Wilson (1886–1954). He was educated at
Newington College commencing in 1891 and sat and passed the Junior Examination in 1895 and the Senior in 1897. In both exams he was awarded the medal for best pass in the state in
English. In 1896 he won one of four Wigram Allen Scholarships, endowed by Sir
George Wigram Allen. He was a
Prefect in 1896 and 1897, a member of the 1st XI
cricket in the same years, and a member of the
rifle shooting team in 1897. Wilson went up to the
University of Sydney in 1898 and graduated
B.A. in 1901 and
M.A. in 1903 and gained his
LL.B. degree in 1906. In 1907, while studying abroad, Wilson sold Tocal and decided to pursue a career in the law. ==Residences==