When Tom explains that the "Ring of Kerry" is an "area", he refers to Tralee and Dingle. In fact these lie on the Dingle Peninsula, and are NOT on the Ring of Kerry.
Mary: I'm very much a glass-half-full kind of girl. But it's tricky, because... I meet these older men who want somebody younger, and that's great, because I fit the bill. But... when they find out that... you know, I'm not as young as they thought, they don't want to know. My looks work against me.