Hi Tracy, I tried Ann/Annie Clark and Clarke, this is the nearest match I could find.
Edward Clark 28 Ag. Lab b Coningsby
Mary wife 28 b Tattershall, Thorp
Selina dau 2 b Billinghay
ANN dau 1 b "
I cant make out the address it might be a Public House, looks to be in Boston Road, though.
1871 RG9/2371/62/18