In 1790, David was obviously one of the males over age 16, born before 1775. In 1800, he was "over age 45", born before 1755. In 1810, he was "over age 45", born before 1765. After 1810 he was counted on the census in Austerlitz. Austerlitz was organized from part of Hillsdale on March 28, 1818. There, in 1820, David was over age 45 in 1820 and in 1830, he was "age 70-79", born bet. 1750-1760. In 1840, he was "age 70-79" and lived with one female age 50-59.