Notes In 1901, Allan Kinghorn, 4 years of age, and his brother, Peter Kinghorn, 9 years of age, were shown as inmates in Leith Poorhouse, 172 Great Junction St, Leith, Midlothian, Scotland. (Source: 1901 Census of Scotland; Parish: Leith; ED: Leith Poorhouse; Line: 14; Year: 1901.) Their brother, William Kinghorn, 10 years of age, was residing with his grandmother, Ann Mathers, 63, domestic servant, at High Street, Strichen, Aberdeenshire, England. (Source: 1901 Census of Scotland; Parish: Strichen; ED: 2; Line: 13; Year: 1901.) Sisters, Margaret Kinghorn, 7 years of age, and Ann Kinghorn, 2 years of age, were shown as inmates in Leith Poorhouse, 172 Great Junction St, Leith, Midlothian, Scotland. (Parish: Leith; ED: Leith Poorhouse; Line: 9; Year: 1901.)
In 1910, Allan Kinghorn, 14, arrived in Halifax, Nova Scotia, Canada, along with a group of 100 children en route to Brockville, Ontario, Canada. (Brothers, Peter Kinghorn, 13, and William Kinghorn, 14, had arrived on the Corinthian in 1905; sister Maggie Kinghorn, 14, arrived on the Ionian in 1908; and sister, Annie Kinghorn, 10, arrived on the Grampian in 1909.)
In 1911, Allan Kinghorn, 15, was shown as a servant / labourer to Joseph Boyd and family in Augusta, Grenwich, Ontario, Canada. His date of birth is shown as March 1896 and his immigration year as 1910.
On September 21, 1914, Allan Kinghorn enlisted in the Canadian Armed Forces. He declared that he was born in Aberdeen, Aberdeen, Scotland; that his next of kin was his father, Peter Kinghorn, who resided at North Augusta, Ontario, Canada; that his date of birth was March 21, 1896; that he was a farmer; and that he was not married. He was described as 5 foot 6-1/2 inches in height; fair complexion; brown eyes; dark hair. He was a member of the Presbyterian faith. He had distinguishing marks of three vaccination scars on his left arm.
In 1930, Allan Kinghorn, 34, loader / lumber company, was residing at 6721 Sangar, Detroit, Wayne, Michigan, United States. Other family members included: Helen Kinghorn, 26 (born in Scotland); Margaret Kinghorn, 8 (born in Canada); Jessie Kinghorn, 6 (born in Canada); William Kinghorn, 3 (born in Canada); Donald Kinghorn, 2 (born in the United States). Allan stated that he had been married at the age of 23 and his wife at the age of 16. The family immigrated to the United States in 1927/1928.