– click on a name to see household information.
| Surname | First Name | Year | State | County | City | Birth Year | Birth Place |
| Callen | Alice | 1850 | DC | Washington | Washington, ward 6 | 1833 | Ireland |
| Callan | Alosius | 1850 | DC | Washington | Georgetown, N.W. ward | 1848 | Georgetown |
| Callen | Ann | 1850 | DC | Washington | Washington, ward 6 | 1811 | Ireland |
| Callan | C V N | 1850 | DC | Washington | Washington, ward 2 | 1819 | NY |
| Callan | C V N | 1850 | DC | Washington | Washington, ward 2 | 1844 | DC |
| Callan | Charles C | 1850 | DC | Washington | Washington, ward 4 | 1842 | DC |
| Callan | Christiana | 1850 | DC | Washington | Washington, ward 2 | 1849 | DC |
| Callan | Christopher | 1850 | DC | Washington | Georgetown, N.W. ward | 1837 | Ireland |
| Callan | Edward | 1850 | DC | Washington | Washington, ward 2 | 1845 | DC |
| Callan | Elizabeth A | 1850 | DC | Washington | Washington, ward 2 | 1822 | NY |
| Callan | Hellen | 1850 | DC | Washington | Washington, ward 4 | 1848 | DC |
| Callan | Henry L | 1850 | DC | Washington | Washington, ward 2 | 1846 | DC |
| Callan | J F A | 1850 | DC | Washington | Washington, ward 2 | 1839 | NY |
| Callan | James | 1850 | DC | Washington | Washington, ward 2 | 1833 | Ireland |
| Callen | James | 1850 | DC | Washington | Washington, ward 6 | 1830 | Ireland |
| Callan | James N | 1850 | DC | Washington | Washington, ward 4 | 1838 | DC |
| Callan | John F | 1850 | DC | Washington | Washington, ward 4 | 1811 | DC |
| Callan | John F | 1850 | DC | Washington | Washington, ward 4 | 1840 | DC |
| Callan | Laura | 1850 | DC | Washington | Washington, ward 4 | 1846 | DC |
| Callen | Laurence | 1850 | DC | Washington | Washington, ward 6 | 1810 | Ireland |
| Callen | Lawrence | 1850 | DC | Washington | Washington, ward 6 | 1841 | Ireland |
| Callan | Margaret | 1850 | DC | Washington | Washington, ward 2 | 1836 | DC |
| Callan | Margaret A | 1850 | DC | Washington | Washington, ward 4 | 1836 | DC |
| Callan | Mary | 1850 | DC | Washington | Washington, ward 3 | 1792 | Ireland |
| Callan | Mary A | 1850 | DC | Washington | Georgetown, N.W. ward | 1835 | Ireland |
| Callen | Mary A | 1850 | DC | Washington | Washington, ward 6 | 1837 | Ireland |
| Callan | Mary Ann | 1850 | DC | Washington | Georgetown, N.W. ward | 1814 | Ireland |
| Callan | Mary E | 1850 | DC | Washington | Washington, ward 4 | 1834 | DC |
| Callan | Michael | 1850 | DC | Washington | Georgetown, N.W. ward | 1794 | Ireland |
| Callan | Michael | 1850 | DC | Washington | Georgetown, N.W. ward | 1842 | Ireland |
| Callan | Michael P | 1850 | DC | Washington | Washington, ward 2 | 1814 | DC |
| Callan | Nicholas | 1850 | DC | Washington | Washington, ward 2 | 1808 | DC |
| Callan | Nicholas | 1850 | DC | Washington | Washington, ward 2 | 1842 | DC |
| Callan | Roena | 1850 | DC | Washington | Washington, ward 2 | 1809 | NY |
| Callan | Rosa | 1850 | DC | Washington | Washington, ward 4 | 1844 | DC |
| Callan | Sarah A | 1850 | DC | Washington | Washington, ward 2 | 1849 | DC |
| Callan | Sarah E | 1850 | DC | Washington | Washington, ward 4 | 1812 | MD |
| Callan | Teresa | 1850 | DC | Washington | Georgetown, N.W. ward | 1846 | Georgetown |
| Callan | Thomas | 1850 | DC | Washington | Washington, ward 2 | 1847 | DC |
