Thomas Groves was born 1839 in North Shoebury, Essex, England, United Kingdom to James Groves (1798-1881) and Phoebe Johnson (1807-1861) and died May 1921 Great Wakering, Essex, England, United Kingdom of unspecified causes. He married Clara Whale (1843-1917) 1 April 1860 in Southchurch, Essex, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| Clara Groves (1863-1938) | 21 April 1863 Little Wakering, Essex, England, United Kingdom | 1 June 1938 Great Wakering, Essex, England, United Kingdom | James Thomas Cornwell (1860-1927) |
Siblings
| Name | Birth | Death | Joined with |
| William Groves (1832-) | |||
| Thomas Groves (1839-1921) | 1839 North Shoebury, Essex, England, United Kingdom | May 1921 Great Wakering, Essex, England, United Kingdom | Clara Whale (1843-1917) |
| Henry Groves (1844-1889) | |||