The app tells me that it was my gg grandmother Mary Anne Caroline (Turner) Stevens. She was born in India in 1841, and spent much of her life there, but died in Devon, UK, in 1933, aged 92. She had six children all of whom survived well into adulthood, but she outlived four of them. Mary (known as Minnie) was the wife of Sir Charles Cecil Stevens of the Indian Civil Service who was, apparently, responsible for the first hydro-electric power station in India!
Her mother-in-law, my ggg grandmother Deborah Hannah (Blomfield) Stevens missed out on the record by just one year, dying in 1908, aged 91. Born in Norfolk, the daughter of a dissenting minister, she had been a missionary's wife, living in Tahiti, New Zealand, and Tasmania, before coming back to the UK, where she lived in Honiton, Devon, until her death. And she had ten children, all but one (her first-born) surviving into adulthood.
Two redoubtable women... in this day and age I wonder what they would have done and been?