Joellen, I think this is your Margaret Strickland.

TX Grayson County 1850 910 349
Household 155.155 Lines 23 through 31.
Samuel M. McKay .....25.........Farmer....No Value.....MO
Malinda McKay...........19...f.........................................IL
Wm. W. .......................4...m......................................MO
Jno.? S.........................3..m.......................................MO
Maritha....................7/12..f.........................................T
X
Wash Pierce...............57..m......Farmer ..No. Value...SC
Alfred Pierce...............14..m........." ........... ''...........MO
M.Pierce......................7..f.........................................MO
Mary Strickland..........19.f..........................................MO
Margaret Strickland.....1..f..........................................TX

Margaret is connected to my Pierce/Hensley family in some way.........don't know the exact relationship, but my uncle said his dad mentioned an Aunt Polly Strickland and something about a connection to Clipper/Klipper family. Did your Clipper/Klipper family eventually move to Shannon or Oregon County Missouri? Any of this sound familiar?

This is my Pierce family......N.P. (Nathan Priest) and I.(Isabella McKay)...M. age 3 (Malinda). Malinda married Thomas Austin Hensley in Jefferson County MO November 29, 1871.
TX Grayson County 1850 910 349
Household 156.156. lines 32 through 38. (or W.P. in index)
N. P. Pierce....29...m....farmer.....520.....TN
I. Pierce..........24...f................................MO...........1
N.Pierce...........7...m...............................MO
Wm. Pierce......5...m...............................MO
M. Pierce.........3...f..................................TX
Margaret McKay..53...f............................SC
Wm. Pierce.....21..m....Laborer................IL ..........1