no idea as I've never looked at Lezayre - Brian's index has a Margaret Q. infant death from smallpox 10 Nov 1725 which could be the first though normally placental antibody protects infants from smallpox for about 6 months - in those registers I've looked at most child deaths are identified by name of one or both parents. Usually I've found when a name is re-used in a family the 2nd child is generally the first child subsequent on the death, of the same gender. The full BR entry should be in the IoMFHS transcription.

Elizabeth normally jumps in on this board whenever a Qualtrough is mentioned as she has a large database but the name is relatively rare in the north of the Island so unlikely to be two Daniel Q's