1. Thomas Cooper m. Catherine Lowber. Their children:
2. Peter Lowber Cooper (b. 1790 Willow Grove, Delaware- d. 1842) m. Susannah unknown
3. Mary Cooper (b. 1792 Kent, Delaware- d. 1863 Kent, Delaware) m. Samuel Broadway Cooper (b. 1790 Kent, Delaware- d. 1867 Kent, Delaware)
4. Richard Cooper (b. 1795 Maryland) m. 1825 Maryland to Mary Brady (b. 1798 Delaware)
5. Ezekiel Cooper (b. 1799)
6. Sarah Ann Cooper (b. 1800 Willow Grove, Delaware- d. 1858 Willow Grove, Delaware) m. 1817 Murderkill Hundred, Delaware to Peter Meredith (b. 1789 Petersburg, Murderkill Hundred, Delaware- d. 1863 Kent, Delaware)
7. Catherine Cooper (b. 1803 Petersburg, Kent, Delaware- d. 1872 Kent, Delaware) m. Alexander Frasher (b. 1796 Kent, Delaware- d. 1867 Kent, Delaware)
2. Peter Lowber Cooper (b. 1790 Willow Grove, Delaware- d. 1842) m. Susannah unknown
3. Mary Cooper (b. 1792 Kent, Delaware- d. 1863 Kent, Delaware) m. Samuel Broadway Cooper (b. 1790 Kent, Delaware- d. 1867 Kent, Delaware)
4. Richard Cooper (b. 1795 Maryland) m. 1825 Maryland to Mary Brady (b. 1798 Delaware)
5. Ezekiel Cooper (b. 1799)
6. Sarah Ann Cooper (b. 1800 Willow Grove, Delaware- d. 1858 Willow Grove, Delaware) m. 1817 Murderkill Hundred, Delaware to Peter Meredith (b. 1789 Petersburg, Murderkill Hundred, Delaware- d. 1863 Kent, Delaware)
7. Catherine Cooper (b. 1803 Petersburg, Kent, Delaware- d. 1872 Kent, Delaware) m. Alexander Frasher (b. 1796 Kent, Delaware- d. 1867 Kent, Delaware)