4 Lemon, Best Poor Man’s Country, 220.
5 One study reports the following crude rates of persistence for adult males:
Place |
Period |
Annual |
Decennial |
Chester County, Pa. |
1774-85 |
94% |
38% |
Lancaster County, Pa. |
1771-82 |
95% |
n.a. |
Source: Lemon, Best Poor Man’s Country, 74-75, 249.