Irish singer Lyra delivered a show-stopping performance at Croke Park on Sunday, as she opened the NFL’s first-ever regular-season game on Irish soil with a soaring rendition of Amhrán na bhFiann.

There are a few unwritten rules in every Cork household. Be it leaving enough milk for a cup of tea in the morning or making sure the fridge is well stocked for the Sunday fry-up, every family has its ...