Born Mary Jeanette Robison. She was the youngest daughter of Henry Robison of Penrith, Cumberland, England and Julia Schelesinger of Liverpool, Lancashire, England. Her father died in 1860 and her mother remarried. In 1866/67 they were living in St Kilda, Melbourne, Victoria, Australia and moved back to London, England in 1871. She ran away from home to marry Charles Leveson Gore in 1875 and in 1877 the young couple went to Fort Worth, Texas, USA to establish a cattle ranch. They survived for two years before moving to New York where her husband died about 1881.
