He married Ruth Hornsey Young in October 1906 and they had four children (including Jack, who would sit in the Tasmanian House of Assembly).

He was present for the swearing-in of Sir Henry Monck-Mason Moore as Governor-General of Ceylon on 4 February 1948.

[3] Later in 1948, Frost was criticised by Australian businessman V. M. Segal for neglecting Australia's trade interests and being unqualified for the post.

"[4] Although he had been granted a five-year term, after the 1949 election the new Liberal government decided to terminate his appointment early on 5 October 1950.

[6] Frost died in St John's Hospital, Hobart, on 22 July 1964, survived by his wife, two sons and a daughter.