Wanda: The 1820 U.S. Census names only the head of the household. The first 6 numbers after the head are "Free White Males" in the following categories: 1 - Under 10 2- Ages 10-16 3 - Ages 16-18 4 - Ages 18-26 5 - Ages 26-45 6 - Ages 45 and over Next 5 categories are for "Free White Females" as follows: 1 - Under age 10 2 - Ages 10-16 3 - Ages 16-26 4 - Ages 26-45 5 - Ages 45 and over F = Foreigners not naturalized A = Agreculture C = Commerce M= Manufactures F = Free Colored S = Slaves Ginny H.