Maiden name possibly Rideout of Woodsboro?

1870 Census, Linganore PO, Liberty Dist 8, Fred. Co. #460
all cannot read or write
Richard Valentine 52, works on farm, $500 house, MD
Henerette Valentine 43

There is a tombstone in Keys Chapel Cemetery:
tombstone is next to that of Richard Valentine
Henrietta Rideout Valentine
Died 9/18/1883
Aged 112? yrs [very difficult to read]

Note, there are 2 Rideout families in Woodsboro
1870 Census, Woodsboro, Frederick, MD #219
all born MD
Richd Rideout 36, farm laborer, $400, cannot write
Fannie Rideout 21, cannot write
Priscilla Rideout 70, cannot read or write
1870 Census, Woodsboro, Frederick, MD #220
all born MD
C Ed Rideout 32, farm laborer, cannot read or write
Geogiann Rideout 27, cannot write
Charles Rideout 6
Fannie Rideout 29

1860 Census Woodsboro, #164
Isaac Rideout 60, farmer, $400, 250
Priscilla Rideout 56
Mary Beall 32
Edward Rideout 20, laborer

1850 Census Woodsboro #89
all Mu
Isaac Rideout 42, farmer, $200
Spissa Rideout 42
Aaron Rideout 21
Richard H Rideout 16
William Rideout 13
Charles E Rideout 10
1850 Census Woodsboro #100
white family, innkeeper
David F Yantis 35
Belinda Yantis 26
George B Yantis 9
Mary E Yantis 6
William H Yantis 3
James M Geyer 28
George W Pole 29
Levi Barrick 21
Joshua Rideout (B) 70
Josephine Furguson (M) 24
Susan Yantes 65