William married Evelyn Maud Morson 23 Sep 1914. Evelyn (daughter of Dougald Cody Morson and Edith Gertrude Owen) was born 23 Nov 1890, Cardigan, , Prince Edward Island, Canada; died 4 Jan 1969, Vancouver, , British Columbia, Canada; was buried , ? Cemetery, Calgary, , Alberta, Canada. [Group Sheet]

1. John Douglas Agnew was born 1 Jan 1916, Charlottetown, , Prince Edward Island, Canada; died 13 Oct 1973, Calgary, , Alberta, Canada.
2. Daisy Irene Agnew was born 12 Jul 1918, Charlottetown, , Prince Edward Island, Canada; died Bef Apr 2015.
3. Edith Agnew
4. Phyllis Joan Agnew
5. William Edward Agnew was born 12 Sep 1925, Aurora, , Ontario, Canada; died 10 Apr 2015, Calgary, , Alberta, Canada.
6. Robert Agnew, Dr