In 1883, Cuscaden was appointed Chief Inspector in the Straits Settlements Police Force. In the following year, he was appointed Assistant Superintendent. In 1905, he became the Inspector-General of the Straits Settlements.[5] He retired from the position in 1913 and left the colony on 2 September 1913.[7] After his retirement, he was replaced by A. R. Chancellor.[8]
During World War I, he resumed his position as an Instructor of Musketry.[5] Cuscaden Road was named after him on 7 June 1921.[9]
^Wright, Arnold; Cartwright, H. A. (1908). Twentieth Century Impressions of British Malaya: Its History, People, Commerce, Industries, and Resources. p. 259.
^Who's who in the Far East. Chinese Materials Center. 1979. p. 67. ISBN089644581X.
^Makepeace, Walter; Braddell, Roland St. John; Brooke, Gilbert E. (1921). One Hundred Years of Singapore: Being Some Account of the Capital of the Straits Settlements from Its Foundation by Sir Stamford Raffles on the 6th February 1819 to the 6th February 1919, Volume 1. p. 259.
^"MR. W. A. CUSCADEN". Pinang Gazette and Straits Chronicle. Singapore. 1 September 1913. Retrieved 20 April 2023.
^"The New I.G.P."Straits Echo (Mail Edition). Singapore. 14 November 1913. Retrieved 20 April 2023.
^Savage, Victor R.; Yeoh, Brenda S. A. (15 October 2022). Singapore Street Names (4th edition): A Study of Toponymics. ISBN9789815009231.