I only know of one in Scotland (Borderline Quilter)
http://www.borderlinequilter.co.uk/
However, I think there would be others across the pond. Have you checked with your quilt shop?
If all else fails you can tie the quilt. I tied many a T-shirt quilt with embroidery floss (one tie every 3") before I got my LA.
OK I just googled Longarm quilter Ireland and got a few hits.
here is one:
http://www.carryonquilting.ie/