Complex sentence: The oldest active parish is that of St. Wilfrid which was formed in 1710 with the current Church at High Petergate in 1862-4 to a design by architect George Goldie.
Split into simpler sentences: The oldest active parish is that of St. Wilfrid which was formed in 1710. The current church at High Petergate was built in 1862-4 to a design by architect George Goldie.