John Peat Mackie

Looking for descendents or any info on John Peat MacKie, born in 1881 in W Calder, Edinburgh; married to Mabel Milne. Both lived in Toronto, Ontario, Canada. John Peat MacKie was a surgeon and died in 1933 in Toronto, Mabel (Milne)MacKie, died in 1963 in Toronto, Ontario, Canada. Have some history but looking for more.