Only Chapman in 1790 Fairfield, SC, with multiple Moberly family—
https://www.ancestry.com/discoveryui-content/view/...hstart=successSource

Name Wm Chapman
[William Chapman]
Home in 1790 (City, County, State) Fairfield, South Carolina
Free White Persons - Males - 16 and over 1
Free White Persons - Males - Under 16 5
Free White Persons - Females 3
Number of Household Members 9

Can’t find 1800—in Camden? (see land records)

1810—
Name William Chapman
Residence Date 6 Aug 1810
Residence Place Fairfield, South Carolina, USA
Free White Persons - Males - 10 thru 15 1
Free White Persons - Males - 16 thru 25 1
Free White Persons - Males - 45 and over 1
Free White Persons - Females - Under 10 1
Free White Persons - Females - 16 thru 25 2
Free White Persons - Females - 45 and over 1
Number of Enslaved Persons 5
Number of Household Members Under 16 2
Number of Household Members Over 25 2
Number of Household Members 12

(Most Moberly families moved, in Conecuh AL by 1820)

Henry’s father can’t be the HC Sr. in 1820 Darlington, SC, census (with HC Jr) because Henry in Alabama (state census. no AL census 1820 available). Also William M born in Georgia.before 1820