The deceased's father, William John Brannigan, was born about 1852 in Antrim, Ireland. He arrived in Melbourne in July 1861 and married Mary Jane Marquis in 1878 (Marriage Registration 1495/1878). She was born in 1855 in Scotland. There were three girls and two boys born to this marriage. They were: Samuel Henry born 1879 in Kerang; Jane Ruth born 1881 in Kerang; an unnamed male child born and died in 1883; Alice Maud born 1884 in Kerang; Ethel May.
By 1910, Mary and William were living in Mount Magnet, Western Australia and may have arrived in the state a little earlier. Mary died 8 November 1931 in Perth Death Registration 101684/1931, Perth) and is buried in Karrakatta. She was aged 76 years. Her husband died aged 83 years in 1936 (Death Registration 101292/1936, Perth). Ethel's brother, Samuel, died in Leonora in 1958 (Death Registration 4300018/1958, Mt Margaret), aged 79 years.