Niamh Rose McMullan is the daughter of Heather and Ciaran McMullan of Brookline, Mass. She was born July 25, at Brigham Women's Hospital, Boston, Mass., weighing 7 pounds and measuring 20 1/2 inches long. The maternal grandparents are Laurie and John Rose of Gloversville. The great-grandmother is Jean Willis Morin of Amsterdam. The paternal grandparents are Eileen and Harry McMullan of Magherafelt, Northern Ireland.