UK birth certificates are available from the mid 1830s.
On the Island, from March 1878 on.
There are a small number of pre 1878 registrations.

1871, Ramsey, district 3, schedule 135, 18 College Street
Ann Criggal, head, widw, 41, washerwoman, Bride
Margaret, daughter, 9, scholar, Ramsey
Jane, daughter, 8, scholar, Ramsey
Amelia, daughter, 6, scholar, Ramsey
John, son, unmarried, 18, mason, Ramsey

Amelia/Emilia could well be alternate spellings.
Much would depend on who filled out the schedule.
If it was the enumeratior it would depend on how he heard the name.