In 1919 she married Thomas Parkin Scott Browne. They had no children and she outlived him by many years.
She had two children with Edmund Stiles: Norman C. Stiles (1894-1973) and Sarah Monterey Stiles (1897-1981).
She was named after the Battle of Monterrey in which her Grandfather William Watson fought and died. He was considered one of the heroes of the Mexican American War.
