There's too many Teares in IOM and there's not enough information on the US side to nail the baptism. Here's some possibles I haven't yet eliminated:-

Name: John Henry Teare
Baptism Date: 13 Feb 1847
Baptism Place: Andreas, Isle of Man
Residence: Andreas
Father: John Teare (blacksmith)
Mother: Eleanor Teare (née Caine)

Name: John Tear
Baptism Date: 17 Sep 1847
Baptism Place: German, Isle of Man
Father: Edward Teare
Mother: Margt Teare (née Gell)

Name: John James Teare
Baptism Date: 26 Aug 1849
Baptism Place: Andreas, Isle of Man
Residence: Kiondroghad
Father: Philip Teare (shoemaker)
Mother: Ester Teare (née Gell)