Hazel Rutherford was born in 1893 to Alexander Cameron Rutherford and Mattie Birkett in Kemptville, Ontario. The family moved to Edmonton in 1895. Her father was the first premiere of Alberta.
She married Stanley Harwood McCuaig in 1919. Stanley McCuaig articled with Rutherford's law firm. They had four children: Eric Alexander, Ruth Elizabeth, Helen Rutherford and Harwood Stanley.
Hazel McCuaig worked for the preservation of Edmonton's heritage, retaining strong ties with the University of Alberta, and serving on a variety of civic committees.
Hazel Rutherford McCuaig died in 1992 and is buried at the Mount Pleasant Municipal Cemetery in Edmonton.