A lot of online family trees have her name as Lucy Margaret Hamilton, but all the census and death records I’ve seen just say Margaret, so that is how I’m entering it.

1850 census of Morgan Co., Ky, enumerated 5 Sep, lists on p. 99 as family #642:
Pleasant Clevenger, 26, b. Ky; Margarett, 27, b. Va; John, 6; Mary, 5; Alexander, 3; Elizabeth, 1. All children born in Ky.

1860 census of Morgan Co., Ky, West Liberty precinct, enumerated 25 July, lists on p. 93 as family #580/574:
Pleasant Clevenger, 35, farmer, b. Ky; Margarett, 39, b. Va; John N., 17; Alexander, 13; Elizabeth, 11; William, 8; Jane, 7; Susanah, 4; Nancy, 3; Eliza A., 1. All children born in Kentucky.

The 5 preceding and 2 following families are all Adkins, and of the 10 families before that, 5 of them are Adkins.

1870 census of Elliott Co., Ky, Sandy Hook precinct, enumerated 8 June, lists on p. 5 as family #26:
Clevenger, Pleasant, 48, farmer; Margarett, 50; William, 18; Jane, 16; Susan, 14; Mary, 12; Eliza, 10; Levi, 8; Lucy, 6; Clevinger, A., 21, farm hand; Elizabeth, 16. All born Ky Ky Ky.

1880 census of Elliott Co., Ky, enumerated 11 June, lists on p. 18 as family #134:
Clevinger, Plesant, 58, b. Ky Va Ky, farmer; Margaret, 59, wife, b. Va Va Va; Levi, 18, son, b. Ky Va Ky; William, 33, son, b. Ky Va Ky; Isabell, 24, dau-in-law; James P., 4, grandson, b. Ky Ky Ky; Harvey, 1, grandson, b. Ky Ky Ky.

This census taker appears to have swapped the father’s and mother’s place of birth columns.