[3] Weston was born with atypical genitals due to a disorder of sex development (DSD), was assigned female at birth and raised as a girl.

[4] In April and May 1936, Weston underwent a series of corrective surgeries at the Charing Cross Hospital.

[5][6] Born in Oreston, Weston worked in a clothing factory after leaving school and then as a nurse, which lead to him pursuing a career in massage and earning a diploma.

[7][8] After surgery, Weston changed his first name to Mark, retired from competitions, and returned to work as a masseur.

[4] Following his example, his elder sibling Harry (previously known as Hilda) also changed his gender presentation and name in the 1930s.