Nov. 18, 1830 Pittsburgh Allegheny County Pennsylvania, USA
Feb. 24, 1897 Allegheny County Pennsylvania, USA
Her mother died when she was five years old. After her father married again and left Pittsburgh Frances was raised by her Grandmother Agnes Farquer Irwin at her Erin Hill Estate one mile east of the Point in Pittsburgh. Frances was widowed in 1864 while she was pregnant with her fourth child and with four step children.
City of Pittsburgh Death Record and Cemetery records give Feb 24, 1897 as date of death and Feb 27, 1897 as date of interment. The cemetery's hand written log sheet for Plot 19-16 lists interment as 2/27/(18)97. Marker reads 1896.
Frances died of heart disease at the home of her son William Irwin Mustin where she had been living. Her brother Rear Adm John Irwin returned to Pittsburgh to attended her funeral.