the church of scotland, a form of protestantism with a presbyterian system of ecclesiastical polity, is the third most numerous on the island with around 2.1 million members. introduced in scotland by clergyman john knox, it has the status of national church in scotland. the monarch of the united kingdom is represented by a lord high commissioner. methodism is the fourth largest and grew out of anglicanism through john wesley. it gained popularity in the old mill towns of lancashire and yorkshire, also amongst tin miners in cornwall. the presbyterian church of wales, which follows calvinistic methodism, is the largest denomination in wales. there are other non-conformist minorities, such as baptists, quakers, the united reformed church (a union of congregationalists and english presbyterians), unitarians. the first patron saint of great britain was saint alban. he was the first christian martyr dating from the romano-british period, condemned to death for his faith and sacrificed to the pagan gods. in more recent times, some have suggested the adoption of st aidan as another patron saint of britain. from ireland, he worked at iona amongst the dál riata and then lindisfarne where he restored christianity to northumbria.