In 1834, he was named as acting sheriff, the position becoming permanent in 1839.
Elected to the Agricultural Society in 1841, he was appointed a director and temporary secretary of the Western Australian Bank, which had been established in June 1841.
Stone died at Rose Hill, Perth, on 18 August 1875.
[citation needed] On 6 September 1838, Stone married Charlotte Maria, daughter of Captain F. Whitfield, resident magistrate of Toodyay.
Of their nine children, their second son, Edward Albert Stone, was Chief Justice of Western Australia, while another son, Frank Mends Stone, was a member of the Parliament of Western Australia.