Hi again, Nige.
The only John Hoyle baptism appearing in the Huddersfield Parish Church 1750-59 is:
15.7.1753 s/o Amos abode: Huddersfield
so could be yours.
The nearest I can get in the Slaithwaite baptisms:
7.2.1747/8 s/o Anthony abode: Highfield
10.8.1759 s/o John abode: New Close
Jill