Found the following in the Malew 1851 Census:

WATSON, John (Matson?)/Bowling Green/Head/Married/50/England
WATSON, Margaret/Bowling Green/Wife/Married/39/Douglas
WATSON, Fred K.H./Bowling Green/Son/14/Scholar/Douglas
WATSON, Elizabeth/Bowling Green/Daughter/9/Scholar/Douglas
WATSON, John/Bowling Green/Son/7/Scholar/Douglas (ONLY 1 YEAR OUT ON THE AGE)
WATSON, George W./Bowling Green/Son/4/Castletown
WATSON, Margaret A./Bowling Green/Daughter/2/Castletown
QUAYLE, Thomas/Bowling Green/Father-in-law/71/Douglas

Hope this helps.