Holy Family Cathedral will be holding a memorial mass in remembrance of former-Senator Ted Stevens, who perished in a plane crash north of Dillingham on Monday.The mass will be held at 12:10 p.m. on Monday, August 16 at the Holy Family Cathedral - which is located near 5th Avenue and H Street in Anchorage.All are welcome to attend.This, however, is not the official service. The family is still working on the official memorial service for Stevens.