| Similarity | Rank | |
|---|---|---|
| censuses | 0.919 | 71592 |
| Census | 0.900 | 13185 |
| genealogical | 0.647 | 36085 |
| population | 0.643 | 1345 |
| 1790 | 0.643 | 43270 |
| surnames | 0.630 | 47573 |
| Population | 0.620 | 17090 |
| Births | 0.619 | 95689 |
| 1880 | 0.615 | 23480 |
| absentee | 0.615 | 33505 |
| 1841 | 0.614 | 37169 |
| births | 0.611 | 17623 |
| 1830 | 0.610 | 31569 |
| burials | 0.603 | 44292 |
| 1820 | 0.602 | 36974 |
| 1850 | 0.602 | 22886 |
| genealogies | 0.601 | 70362 |
| Genealogical | 0.596 | 56615 |
| 1840 | 0.593 | 30631 |
| naturalization | 0.593 | 48672 |
| genealogists | 0.592 | 69017 |
| survey | 0.590 | 2189 |
| microfilm | 0.589 | 47102 |
| Demographics | 0.588 | 57397 |
| Domesday | 0.588 | 94956 |