This great jig is on "Dusk Till Dawn" (Charlie Lennon, Johnny Og Connolly). I believe it was, in fact, composed by Mr. Lennon.
Oisín MacDiarmada’s Version
Learned this recently at a fiddle workshop led by Oisín MacDiarmada of Téada, who did, indeed, attribute it to Charlie Lennon. Not sure how Charlie intended it to be played, but Oisín played/taught it almost with a hint of syncopation - admitting it (his playing of it, anyhow) was more of a show piece than a rousing session or dance tune. Here’s his version: