+---Mark Donald
| | +---John O'Donnell
| | +---John O'Donnell (1839-08 SEP 1879)
| | | +---Ann Gallagher 
| | +---Hugh O'Donnell (12 DEC 1870-22 OCT 1904)
| | | | +---Hugh Gallagher (1801-18 NOV 1878)
| | | +---Frances (Fanny) Gallagher (1850-13 MAY 1884)
| | | +---Ann Doherty (1808-30 OCT 1883)
| | +---Terrence Hugh Joseph O'Donnell (20 MAR 1905-24 APR 1997)
| | | | +---Joseph Garrett (1813-22 OCT 1913)
| | | +---Mary Lucy Garrett (1873-14 AUG 1934)
| | | +---Mary Lucy Hapley (1835-11 FEB 1907)
| +---Theresa O'Donnell
| | +---William Burrell
| +---Ann Burrell
| | +---Maurice Harnett (1857-)
| +---Mary Harnett
| +---Ann Sweeney (1861-)
Ashleigh Jane Donald
+---Donna Jefferies