William Costigan was a Justice of the Peace (JP).
Local government service
Henry Ernest Lawrence resigned during term in 1907 and was replaced by William Costigan on 17 June 1907.
The information about this alderman was compiled in collaboration with Woollahra Library and Information Service.
Sonder, Richard M 1980 (reprint), Paddington, its history, trade and industries 1860-1910: being a record of 50 years of civic government, Salux Pty. Ltd, Woollahra, NSW