Family and death
In London, he married Mary Barber in 1846. A daughter, Eliza Mary, was born the following year. His daughter married Henry Purdie in 1872 and died on 31 July 1892 in Christchurch and is buried at Linwood Cemetery.
His first wife died in 1849, and he remarried in 1850 at Saint Helena to Elizabeth Clarrissa Darling, and there were two sons and one daughter by this marriage. His wife's mother and siblings had emigrated with them, and many of the Dick and Darling family are buried in the family grave at the Dunedin Southern Cemetery. His elder son, Thomas Hudson Dick (b. 1852, Saint Helena – d. 19 June 1921) was a rope maker and signed up at 19 to serve in the machine gun corps. His last address was in the Dunedin suburb of Mornington. His daughter, Elizabeth (Lizzie) Low died on 9 September 1924. Both Thomas and Elizabeth Low are buried in the family grave.
His son James Bertram Dick (1859-1930) married Edith Ellen Boot (1865-1945) in 1893. He became a bank manager, and she became a national officer in the Women's Christian Temperance Union New Zealand in 1896. His last address was George Street, Dunedin. He is also buried at Dunedin Southern Cemetery, but not in the family grave.
His mother-in-law, Elizabeth Darling, who had been born on Saint Helena, died on 9 April 1883. His sister-in-law, Agnes Darling, married Andrew Fleming. From 1865, 'Dick & Fleming' traded as land agents. Agnes Fleming died at her residence in Molesworth Street, Wellington on 16 June 1899 and was also interred at Dunedin Southern Cemetery. Another sister-in-law, Charlotte Darling, married Henry Wirgman Robinson. She died at Naseby on 26 October 1873 in childbirth, aged 35, and was also buried in the family grave.
Thomas Dick's second wife died on 29 April 1869 at their residence 'Viewmount' in Queen Street, Dunedin. She is also buried at South Dunedin Cemetery.
He remarried in 1871 to Elizabeth "Eliza" Reid Walker (née Stewart) at Invercargill. She was the widow of Frederick Walker (d. 1866), who was Provincial Treasurer of Otago and whom Dick knew from the voyage on the Bosworth. Eliza Reid Dick was a founding secretary in May 1885 of the Dunedin chapter of the Women's Christian Temperance Union New Zealand (WCTU NZ). She continued supporting the WCTU NZ campaigns, including signing the petition for women to win the right to vote in 1893. She served as the president of the Dunedin Union from 1895 to 1899, hosting the national convention for the WCTU NZ in Dunedin in April 1896. She assisted with the work and fundraising for the Leavitt House and the Sailor's Rest, both religiously inspired social reform efforts in Dunedin.
Dick died at his residence 'Viewmount' on 5 February 1900. He was survived by his third wife, one daughter and his two sons. He is buried at the Dunedin Southern Cemetery.
Dick Street in Kihikihi is named for him. Elizabeth Reid Dick died in 1906 and is buried in the family grave.