According to the family bible, the family grew up in a number of houses on MacKay street in Montreal[3] She studied at the Art Association of Montreal with William Brymner and Maurice Cullen winning two awards, one for her drawing in the "antique class" (1902) and another for composition (1911).
She joined the Canadian Group of Painters in 1939 and was a member of the Contemporary Arts Society of Montreal.
[6] Her painting style is characterized by rich colours, visible brushstrokes and strong sense of design.
[2] The National Gallery of Canada has four of her pieces in their collection, including her painting Early Winter.
[2] Lockerby died in Montreal[5] at the age of 94 after suffering a stroke a few months earlier.