A dexter arm, embowed, in armour, holding an arrow is mentioned for Viscount Ranelagh (Jones family name) and descendants and they were Irish peers but not in the Cork area and the arrow in that crest points down not up. Charles Jones became the Fourth Viscount in 1750 and one of his sons, Alexander Montgomery Jones, was a naval officer. Kinsale, just west of Cork, was the chief naval port for Ireland at that time but unfortunately, the name of the lady he married, is not shown. Given the direction the arrow is pointing though, it's likely not this family so whose could it be?
One of the Baker family crests is a naked dexter arm, embowed, holding an arrow but nothing about the arm being 'in armour'. I can't find an image of it and no Irish connection is mentioned although there were Bakers in the Cork area at the time.
The Lion crest totally defeats me.
