Silke 2006. "Hugh Albert O'Donnell, born [to Rory and Bridget] about October 1606, was the only son of this marriage, Mary Stuart O'Donnell being born about a year later." Silke, John J. (May 2006). "O'Donnell, Rury , styled first earl of Tyrconnell (1574/5–1608)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/20559. (Subscription or UK public library membership required.)
Silke 2006. "Hugh Albert O'Donnell, born [to Rory and Bridget] about October 1606, was the only son of this marriage, Mary Stuart O'Donnell being born about a year later." Silke, John J. (May 2006). "O'Donnell, Rury , styled first earl of Tyrconnell (1574/5–1608)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/20559. (Subscription or UK public library membership required.)