London, England - Frederick Gray was married to Susan Ann Edwards on 16 May 1847 in St. Martin's in the Field, Middlesex. To this marriage, four sons were born before Frederick's untimely death about 1856:
- Frederick Gray, born about 1848 and in the 1871 census at age 23 was living with his step-father Robert Brown and mother Susan Ann Edwards. In 1873, he married Georgina Amelia Kilpatrick.
- John Edward Gray, born 10 June 1849, further described below.
- Edwin Gray, born about November 1850 and died about February 1852.
- George Gray, born 6 September 1854, pursued a career as a bricklayer and builder, and died in 1920 at Wandsworth, London.
John Edward Gray, born in Hoxton, Middlesex in 1849, and wife Eleanor Sophia Fosdick, born 1850 in the village of Eyke, Ipswich, resided at St. George Hanover Square, London, with four children at the time of the 1881 British census. As yet unlocated in the 1891 British census, son Laurence indicates the family moved to Clapham Junction about that time. By 1901, the Gray family was located at 310 Merton Road in Wandsworth, living not far from John's brother George Gray. In December 1907, John Edward Gray and wife Sophia Eleanor Fosdick arrived in Victoria, British Columbia with five of their surviving children. Daughter Rose Elizabeth Gray and husband Henry Plymsell joined the family at a later date; daughter Florence Ethel Gray may have also joined the family at a later date.
Victoria, British Columbia, Canada - George Gray and Emily Constant met in England, traveled with their families to Victoria, British Columbia, Canada. George's parents John Edward Gray and Eleanor Sophia Fosdick immigrated from England in 1908. Emily Constant and her mother Elizabeth Freeman Constant arrived Quebec on 2 September 1909; George and Emily were married in Victoria on September 9, 1909. Most of the Gray family members remained in Victoria or environs, including Florence Ethel Gray and husband William Tippett, Percy Owen Gray and wife Adela Skelton, Mabel Violet Gray and husband Harry Grist, Lawrence Gilbert Gray and wife Mabel Williams, and Cecil Harold Gray and wife Hazel Whittaker.
Los Angeles, California - While other family members remained in Canada, George Gray and Emily Constant made their home in Los Angeles beginning in 1921, after a brief stay in the San Diego, California area during 1911 and 1912.