Mrs.Claire T.Pelletier,45,of 23 Beaver St;wife of Ernest E.Pelletier,died yesterday in Fairlawn Hospital.She was born in Worcester,daughter of Christy T. and Amelia N.(Quilliam)Lamby. Besides her husband,she leaves two sons,Michael R.and Scott J.Pelletier of  Worcester;a brother,Richard T. Lamby of Auburn,and several aunts and uncles.The funeral will be held Saturday from the Alfred Roy & Sons Funeral Home,12 Hammond St;with a High Mass at 9 a.m. in Holy Name of Jesus Church,57 Illinois St,Burial will be in Worcester County Memorial Park,Paxton.Calling hours at the funeral home are 7 to 9 tonight and 2 to 4 and 7 to 9 p.m.tomorrow.