All Womacks in US Federal Censuses for years 1790 through 1850 are abstracted here.
North Carolina Federal Census Loss, 1790-1850:
(Info from Map Guide to the US Federal Censuses 1790-1920, by William Thorndale and William Dollarhide)
1790 - Caswell, Granville, Orange
1800 - no loss
1810 - Craven, Greene, New Hanover, Wake
1820 - Currituck, Franklin, Martin, Montgomery, Randolph, Wake
1830-1850 - no loss