- 1 John Thatcher (1718- ) (Devon) m (1743, Exeter) Hannah Cross (1720- )
- 2 John Thatcher (1743-1813) m (1762, Axminster) Mary Morgan (1744- ), d of Robert (1718- ) and Mary Cooke (1724- )
- 3 Sarah Thatcher (1763- )
- 3 Ann Thatcher (1765- )
- 3 Elizabeth Thatcher (1768- )
- 3 Samuel Thatcher (1770- ) m (1792, Crewkerne, Somerset) Edith Meech (1767-1813)
- 4 John Thatcher (1793-1851) m (1818, Bridport, Dorset) Hannah Hockey (1796-1864)
- 5 Charles Thatcher (1818-1890) m (1843, Sherborne) Sarah Gillard (1821- )
- 6 John Thatcher (1844-1915) (St H) to Australia m (1871, Yorkshire) Georgiana Grimshaw (1849-1883)
- 7 John Reginald Thatcher (1878-1956) m (1910, Sydney) Florence Adelaide Metcalfe (1884-1944)
- 8 Doris May Thatcher (1911-1997)
- 8 Elsie Margaret Thatcher (1913-1997)
- 8 Reginald John Thomas Thatcher (1924-2008)
- 8 Marjorie Hannah Thatcher (1916-2011)
- 8 Edith Florence Thatcher (1918-1963)
- 8 James Herbert Thatcher (1923-1991)
- 7 Tom Thatcher (1880-1882)
- 7 Georgiana Thatcher (1883- )
- 7 John Reginald Thatcher (1878-1956) m (1910, Sydney) Florence Adelaide Metcalfe (1884-1944)
- 6 James Gillard Thatcher (St H) (1846-1882)
- 6 Charles Thomas Thatcher (St H) (1849- ) (St H) m Clara (1863- )
- 7 Henry Thatcher (1886- ) (St H)
- 7 Clara Annie Thatcher (1890- ) (St H)
- 7 George James Thatcher (1891- ) (St H)
- 6 Elizabeth Jane Thatcher (1850- ) (St H)
- 6 Sarah Ann Thatcher (1855- ) (St H)
- 6 Henry Thatcher (1857- ) (St H)
- 6 George Edwin Thatcher (1859- ) (St H)
- 6 Frederick William Thatcher (1862- ) (St H)
- 6 John Thatcher (1844-1915) (St H) to Australia m (1871, Yorkshire) Georgiana Grimshaw (1849-1883)
- 5 Edith Thatcher (1820-1894)
- 5 Harriet Thatcher (1821- )
- 5 Thomas Thatcher (1822-1823)
- 5 Thomas Thatcher (1824- )
- 5 Mary Ann Thatcher (1825- )
- 5 John Thatcher (1828- )
- 5 Henry Thatcher (1831-1906) m (1857, Bridport) Emily Hoskins (1831-1913) d of Robert (1798-1876) and Mary Kenway (1792- )
- 6 Emily Louisa Thatcher (1858- )
- 6 Frederick Henry Thatcher (1861-1916)
- 6 Mary Ann Thatcher (1863-1885)
- 6 John Thatcher (1865- )
- 6 Arthur Robert Thatcher (1872-1935) m Edith Annie Green (1876-1966)
- 7 Winifred Louise Thatcher (1899-1996)
- 7 Edith Constance Thatcher (1901-1974)
- 7 Arthur Edgar Thatcher (1904-1986)
- 7 Henry William Thatcher (1906-1976)
- 7 Frederick Sidney Thatcher (1910-1996)
- 7 Frank Ernest Thatcher (1913-1985)
- 5 George Thatcher (1838-1914) m (1864, Bridport) Martha Hoskins (1836- ) d of Robert (1798-1876) and Mary Kenway (1792- )
- 6 Walter Frederick Thatcher (1865- )
- 6 Fanny Jane Thatcher (1871- )
- 5 Charles Thatcher (1818-1890) m (1843, Sherborne) Sarah Gillard (1821- )
- 4 Mary Thatcher (1794- )
- 4 Edith Thatcher (1796- )
- 4 Samuel Thatcher (1797- )
- 4 Thomas Thatcher (1800- )
- 4 James Thatcher (1803- )
- 4 Sophia Thatcher (1805- )
- 4 Elizabeth Thatcher (1807- )
- 4 Ann Thatcher (1810- )
- 4 John Thatcher (1793-1851) m (1818, Bridport, Dorset) Hannah Hockey (1796-1864)
- 3 John Thatcher (1773- )
- 3 Hannah Thatcher (1775- )
- 3 Molly Thatcher (1777- )
- 3 Thomas Thatcher (1779- )
- 3 James Thatcher (1781- )
- 2 John Thatcher (1743-1813) m (1762, Axminster) Mary Morgan (1744- ), d of Robert (1718- ) and Mary Cooke (1724- )