Hi
Swineshead Registers are on the 'Lincs to the past' site but not sure which years they cover.
Results 1 - 9 of 1232 for " swineshead parish record" which means quite a lot are on there.
Sorry, just realised you are looking for Swinstead not Swineshead,
Results 1 - 9 of 156 for " swinstead parish record"