Police were told a man walked into the church on Warrington Road, Abram, at 11.30am on Sunday, January 30.
He stole a handbag and then fraudulently used the victim’s debit card to buy items.
Police have now released a CCTV image of a man they want to speak to as part of their investigation.
Anyone with information is asked to call police on 101, quoting reference CRI/06LL/0007507/22.