However , the conversions ended when William Magee , the Anglican Archbishop of Dublin , ruled that converts were obliged to swear allegiance to George IV as rightful king of Ireland .
He later claimed to have won hundreds of converts to the Church of Ireland .
The conversions ended when William Magee , the Anglican Archbishop of Dublin , ruled that converts were obliged to swear allegiance to George IV as rightful king of Ireland .
He later claimed to have won hundreds of converts to the Church of Ireland .