Grace Lillian Harris
- Born: 8 Jul 1909, 233 Bain Avenue, Toronto, Ontario
- Marriage: Keith Service Armstrong on 16 Jun 1934 in Kennedy Road, Scarborough, Ontario
- Died: 13 Oct 1999, Toronto, Ontario aged 90
Cause of her death was Stroke.
Grace lapsed into unconsciousness then passed away 12 days later, more than likely from a stroke.
Grace married Keith Service Armstrong, son of Reverend Doctor Robert Cornell Armstrong and Ketha Winifred Service, on 16 Jun 1934 in Kennedy Road, Scarborough, Ontario. (Keith Service Armstrong was born on 5 Aug 1908 in Japan and died on 19 Jun 1976.) The cause of his death was Heart Failure.