John James Campbell McLagan (July 22, 1838 – April 11, 1901) was a newspaper publisher born in Strathardle, Scotland.
He later moved to Ontario, Canada, where he managed the Guelph Mercury with MP James Innes.
In Victoria he dealt in real estate and filed stories with Toronto Globe.
During his life he married Sara Anne MacLure as well as write plays and novels.
Sara Anne and John had three daughters and a son (Lt Patrick Douglas Maclure McLagan, who died on October 15, 1917, and is buried in Dickebusch Road Cemetery).