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.
Ewen Maclean
He was born on 15 October 1865 the second son of John Maclean of Kilmoluag on the Isle of Tiree, one of the most westerly of the Scottish islands. His father was a "master cordwainer" (shoemaker). His mother was Agnes Macmillan. The family were Gaelic speakers. His older brother was the politician, Donald Maclean.
Around 1870 the family moved to Haverfordwest in Wales, where Ewen was educated, before attending Carmarthen Grammar School. He then studied Medicine at Edinburgh University graduating MB CM with honours in 1889. In 1891, he received with honours the Edinburgh MD.