| Author | Title | Publisher | Place | Date | Comment | Sample ref | Sample location |
|---|
| Allen J.M. | From Ireland to the Antipodes : the Young and Ingram family of Tuakau, New Zealand and the McConnell family of Newcastle, New South Wales and New Zealand, 1854-2004 | Polygraphia | Auckland, N.Z. | 2006 | 132 p. | | National Library of Australia |
| McCourt Martha F. | The American descendants of James McCourt, John McKenney, Matthew Young, and allied families | M.F. McCourt, | Vancouver, Wash | 1988 | | CS71.M47473 1988 | CS71.M47473 1988 Library of Congress |
| Young Amy | 300 years in Innishowen : being more particularly an account of the family of Young of Culdaff, with short accounts of many other families connected with them during that period | M'Caw, Stevenson & Orr | Belfast | 1929 | 357 p. | Ir 9292 y 1 | Ir 9292 y 1 National Library of Ireland |