Hi,
There are two births/baptisms to this couple on the British Library website -
Mary Ann SHARPE
Date - 26 Nov 1826, Dum Dum
Parents - Thomas, Sgt.Maj., Art.; Sarah
Event type - Baptism
Date - 25 Dec 1826, Dum Dum
Thomas James SHARPE
Event type - Baptism
Date - 20 Mar, 1825
Location - St Stephen's. Dum Dum
Parents - Thomas, Drill. Corp., Art.; Sarah
JJ