(1921-1964)
Martin Sheehan (1960-1960)
| +---Thomas Patrick Crowe (-1952)
+---Constance Mary Elizabeth Crowe 
(1920-)
| +---Walter Cornish (ABT 1617-1671)
| +---Thomas Cornish (-1712)
| | +---Amy Garland
| +---Samuel Cornish (1687-1772)
| | +---Cecily Jillard (-1710)
| +---Thomas Cornish (ABT 1714-1791)
| | +---Katherine Lanworthy (1697-1773)
| +---William Cornish (1737-1802)
| | +---Elizabeth ?
| +---Thomas Cornish (ABT 1775-)
| | +---Mary Adams (-1798)
| +---William Neyle Cornish (ABT 1810-1863)
| | +---Elizabeth Neyle (ABT 1780-1815)
| +---Charles Cornish (1846-1935)
| | +---Matilda Stranger (ABT 1811-1870)
+---Helen Constance Cornish (1879-1974)
| +---Donald McGregor
| +---Neil Joseph Bruce McGrigor (1817-1891)
| | +---Elizabeth Leitch
+---Elizabeth McGregor (1853-1938)
+---Margaret Ogilvy