William was born about 1414 in Glenarnock, Ayrshire, Scotland, the son of unknown parents.
His wife was Ann Montgomerie. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1414 |
|
Note 1
Son of Sir Humphrey Cunningham, of Glengarnock and Jean Buchanan