have found
1920 Census, Mount Pleasant #104
Frederick Libertytown turnpike
all MD,MD,MD
James A Key 26, farm laborer
Mary E Key , wife, 20

1910 Census, Libertytown #193
all MD,MD,MD
Eliza A Thomas 55, read but not write, rents
Laura A Key 38, dau, servant private family,
Joseph C Thomas 29, son, farm laborer, cannot read or write
Emma M Thomas 27, dau, servant priv. fam.
Harry R Thomas 20, son, farm laborer
James A Key 16, grandson, odd jobs