Merrion bounced back from the disappointment of losing the U13 All-Ireland Final to clinch the All-Ireland U15 decider with an eight-wicket win against Holywood at Seapark.
The hosts made exactly 100 with Eva Cupitt making 22. Trudy Molins and Aisling Lawlor each took three wickets, while Poppy Miller claimed two.
The chase was a straightforward one as Aisling Lawlor 35 (4 fours) and Lainey Harte (26*) sharing an opening stand of 73 in just 7.3 overs.
Isabella Wray took two consolation wickets, but Merrion sealed the win in the 12th over.
They had a 9-wicket win in the semi-final against Bready in a high-scoring game.
The NW champions made 126 for 8 - Jodie Spence scoring 26. Trudy Molins and Kerrie Delaney amongst the wickets.
Aisling Lawlor hit seven boundaries in an unbeaten 59 adding 121 for the opening wicket with Lainey Harte (34) in a superb chase.
Well done Merrion..