- 1 James Harrison (1690-1747) (IoM) m (1716, IoM) Isabel Cregeen (1690-1740)
- 2 Richard Harrison (1717-1796) (IoM) m (1748, IoM) Anne Christian (1725-1788)
- 3 John Harrison (1749- ) (IoM)
- 3 Richard Harrison (1751-1811) m (1777, IoM) Catharine Radcliffe (1755-1813)
- 4 Ann Harrison (1780-1831) (IoM)
- 4 John Harrison (1781- ) (IoM)
- 4 William Harrison (1784- ) (IoM)
- 4 Catharine Harrison (1787- ) (IoM)
- 4 James Harrison (1789-1865) (IoM) m (1810, IoM) Margaret Harrison (1786-1874) daughter of John and Isabel, nee Kelly
- 5 John Harrison (1811- )
- 5 James Harrison (1813- ) (IoM) m (1837, IoM) Margaret Moore (1813-1898)
- 6 John Harrison (1838-1917) m (1857, IoM) Jane McAllister (1833-1916)
- 7 James Harrison (1858-1865)
- 7 Richard Harrison (1859-1903)
- 7 John Stanley Harrison (1862-1931)
- 7 Elizabeth Jane Harrison (1865-1938)
- 7 Isabella Harrison (1866-1904)
- 7 Amelia Harrison (1869-1915)
- 7 Arthur Harrison (1872-1957) [1] m (1900, St C) Annie Eliza Guiton (1877-1957) daughter of Walter Ernest Ingram (1856-1929) and Martha Annie, nee Gale (1853- )
- 8 Arthur Guiton Harrison (1901-1976) m (1930, St H) Noella Alice Laurens (1902- )
- 9 Arthur Brian Harrison (1936- )
- 9 Gerald Stanley Harrison (1938- )
- 8 Cecil Stanley Harrison (1902-1962) [2] m (1927, St C) Evelyn Jeannie Reid (1899-1979)
- 8 Eileen Lilian Harrison (1905- ) m Leslie Walker (1904-1986)
- 8 Beryl Mona Harrison (1910- ) m Arthur James Scriven (1909-1985)
- 8 Muriel Isabel Harrison (1912- ) m (1937, Aquila Road) Ronald Arthur Wagstaffe (1909- )
- 8 Arthur Guiton Harrison (1901-1976) m (1930, St H) Noella Alice Laurens (1902- )
- 7 Eleanor Gertrude Harrison (1878-1961)
- 6 Richard Harrison (1841-1914)
- 6 Esther Harrison (1847-1904)
- 6 John Harrison (1838-1917) m (1857, IoM) Jane McAllister (1833-1916)
- 5 Margaret Harrison (1821- )
- 5 Richard Harrison (1823-1856)
- 5 Isabella Harrison (1826- )
- 5 Elizabeth Harrison (1829- )
- 5 Catharine Harrison (1831- )
- 4 Ellinor Harrison (1798- ) (IoM)
- 3 Anne Harrison (1754- ) (IoM)
- 3 Mary Harrison (1757- ) (IoM)
- 3 Catharine Harrison (1759-1788) (IoM)
- 3 Ellinor Harrison (1762- ) (IoM)
- 3 Isabel Harrison (1765- ) (IoM)
- 2 Richard Harrison (1717-1796) (IoM) m (1748, IoM) Anne Christian (1725-1788)