BOOKER, KITTY
State: VA Year: 1870
County: Essex County Record Type: Federal Population Schedule
Township: Millers Tavern P.O. Page: 141
Database: VA 1870 Federal Census Index

I'd look at this record - and all of the other Booker listings - it might provide some clues.

You might also want to explore this slave owner:
BOOKER, GEORGE
State: VA Year: 1850
County: Essex County Record Type: Slave Schedule
Township: No Twp Listed Page: 491
Database: VA 1850 Slave Schedule

Denise