She was born in 1882 to George Graves Walker and his wife Sophie Castle Walker neé Smith.
Ivy married Arthur on 13 May 1909. Her father was then a solicitor, and her parents were living in Bournemouth. They had a daughter Tabitha Lewis, born in Bournemouth on 9 May 1910.
They divorced in 1924. Ivy died in 1939 in Devon, calling herself Ivy Constance Ransome. .