This looks like her.Dont know which of her children was Ellen but this may give Jean something to go on.One went to South Africa.
“The Argus”Melbourne11 May 1920. USHER. —On the 10th May, at her daughter's residence, 102 Brunswick road, East Brunswick,Jane, relict of the late George Usher, mother of William (Adelaide), .Mrs. Cornelius (South Africa), Mrs. C. Andrew, Mrs..L. Swadeslr, and Joseph, aged 91 years. ,A resident of Castlemaine from 1852 to 1918. Gone Home.