Angus ?
| +---Terry O'Brien
+---Jane O'Brien 
| +---Michael Hartigan (ABT 1839-)
| +---Martin Hartigan (1865-10 JAN 1914)
| | +---Norah Kain (ABT 1843-)
| +---Martin John Hartigan (BET 1907 AND 1909-1984)
| | | +---Patrick Murphy
| | +---Mary Ellen Murphy (1870-02 MAY 1944)
| | +---Mary ?
+---Judith Hartigan
+---Mary Ellen Lundon (1904-1988)