MD Births33626 (one of these Her?)
Elizabeth Thompson b: 14 May 1764 Leonardtown, St Marys, MD d/o James Thompson & Elizabeth, Batch C71484-1; Sys Orig MD-EASy, Film 14449 Ref 2:2765J37
Elizabeth Thompson bapt: 19 May 1765 St Johns Parish, Prince Georges, MD d/o William Thompson & Penalopey (sic), Batch C50777-1; Sys Orig MD-ODM, Film 14303

There are no Cullins/Cullens listed in the 1820 St Mary’s County, MD Census

St Mary’s County Register of Wills (Wills) 1658-1947 C1720-118379 (Ancestor?)
Pg 264-265 Will James Thompson of St Mary’s Co MD dtd 10 Feb 1720/1; probated 22 Apr 1721
To son John Thompson
To Elizabeth Griggs wife of John Griggs
To son James Thompson, upon arriving at age 21
To dau Sarah Thompson
Appoint William Harris Guardian of son until 21 yrs
/s/ James (his mark) Thompson
Witnesses: Wm Johnson, Eliza Fisher, Charles Lynch
Probated 22 Apr 1721 William Johnson and Elisabeth Fisher

C 1720-118379 Pg 274 Will John Tomson of St Mary’s County MD, planter, dtd 9 Aug 1723; probated 26 Nov 1723 (Ancestor?)
Wife Jane Tomson, Executor
Two sons (unnamed)
/s/ John (his mark) Tomson
Witnesses: Anthony Brocklohurst, Richard Ijamos, Elizabeth James, Thomas Wollman
Probate 26 Nov 1723 Anthony Brockolhurst, Richard Ijams & Thomas Wollman