Smith Louis                     (17xx-    )    census 1851: married, age over 50
 female                         (17xx-    )    census 1851: married, age over 50
 - male                    (1821~1831-    )    census 1851: single, age 20-30
 - male                    (1821~1831-    )    census 1851: single, age 20-30
 - male                    (1821~1831-    )    census 1851: single, age 20-30
 - male                    (1821~1831-    )    census 1851: single, age 20-30
 - male                    (1831~1841-    )    census 1851: single, age 10-20