Elizabeth Simcoe was born on September 22, 1762.
Elizabeth Posthuma Gwillim, known later as Elizabeth Simcoe, was born on September 22, 1762, in Aldwinkle, Northamptonshire, England. She was born into a family of some means, but was orphaned early in life, being raised by her maternal aunt. Her birth is notable as she would later become the wife of John Graves Simcoe and a talented artist and diarist, producing valuable historical records of Upper Canada.