the only 1 year old hannah kelly is
Lonan Barrner Rd KELLEY John Head M M 22 Fisher Man Tempory Absent Lonan IoM
Lonan Barrner Rd KELLEY Hannah Wife M F 23 Fisher Man Wife Lonan IoM
Lonan Barrner Rd KELLEY Hannah Daur U F 8mnts --- Lonan IoM
Lonan Barrner Rd HOGG Isaballa Sister In Law U F 15 Generall Servt Lonan IoM
which is almost certainly not yours - thus she was either registered under a different name - there are 51 female Kellys less than 18months old in 1881 census - the only other I can find is a Mary H. Kelley (Irish mother) in Cronkbourne (Tromode)