Mackay was born at
Cardiff, Wales. Her father, a railway contractor and quarry owner, died while she was still a child, leaving Mackay to be raised in Wales by her mother. She attended the
Cheltenham Ladies' College before studying at the art school of the
Regent Street Polytechnic in central London where she won a number of medals for her sculptures. After graduating, she established a studio in London from where she produced sculpture figures, animal subjects, garden ornaments and portrait busts in bronze, stone, lead and wood. During her career, Mackay exhibited works at the
Royal Academy in London, with the
Royal Glasgow Institute of the Fine Arts, at the
Royal Scottish Academy in Edinburgh, with the
Society of Women Artists and at the
Walker Art Gallery in Liverpool. In 1932 she was elected an Associate member of the
Royal Society of British Sculptors and was elected a Fellow of the Society in 1952. Mackay died at
Fulham in London in 1973. ==References==