Mainly baptism records; (they usually include the occupation of the father
There are also wills, but they are mainly for men/householders; sometimes widows;
There are also aprenticeship records; mainly young men around the age of 14 or 15, but this will give the occupation they are aprenticed to.
Sometimes there are records from the 'Parish Chest', such as settlement records, taxes (orders to pay for bridges, etc);
Sometimes burial records will include an occupation, but this depends on the parish priest/ or whoever recorded the burial
