William Notman was a Scottish-Canadian photographer and businessman. The Notman House in Montreal was his home from 1876 until his death in 1891, and it has since been named after him.
Wikipedia https://cs.wikipedia.org/wiki/William_Notman
Address (Unnamed Road), Montréal H2V, Canada
Coordinates 45°30'27.071" N -73°35'43.056" E