When Frederick William Hornibrook was born on 25 October 1870, in New Brunswick, Canada, his father, William Hornibrook, was 28 and his mother, Elizabeth Ann Gooldrup, was 28. He married Amanda Olava Amundson on 29 March 1899, in Marinette, Wisconsin, United States. He lived in Minneapolis, Hennepin, Minnesota, United States for about 30 years. He died in 1946, at the age of 76, and was buried in Marinette, Marinette, Wisconsin, United States.
English: habitational name from Hornbrook in Kelly (Devon), which derives its name from Old English horn ‘horn-shaped piece of land’ + brōc ‘brook, stream’. The surname has been established in Ireland (Cork) since the early 17th century.