Calum Maclean
Maclean was born in Òsgaig, Isle of Raasay, Scotland, into a family of five boys and two girls. His father was Malcolm MacLean (1880–1951), who was a tailor. His mother, Kirsty (1886–1974), was the daughter of Sorley Mor Nicolson of Braes, Skye, and his wife, Ishabel.
Hester Maclean
Maclean was born in Sofala, New South Wales, Australia on 25 February 1859. Her parents were Emily (née Strong) and Harold Maclean. She was educated at private schools and was inspired by her father's nurse to become a nurse herself. Maclean trained at Prince Alfred Hospital in Sydney, completing her certificate in 1893.