Mary was the sixth child and fourth daughter born to Thomas Scott and Agnes Wylie.
She was born 20 August 1903 in Greenock, Scotland.
She died 20 September 1903 in Greenock, Scotland.

Mary died at 22 Antigua Street, Greenock. Her mother Agnes died the same day.

Mary is buried with her mother, older sister Annie and paternal grandparents Captain Joseph Scott and Ann Dupong in Greenock Cemetery.