Rita C. (Shackett) Johnson, 46, of 23 Edgeworth St. died Saturday in Peter Bent Brigham Hospital, Boston. She was the wife of Kenneth L. Johnson.

   Besides her husband, she leaves four sons, Allen J., Stephen W., Christopher W. and Kenneth L. Johnson Jr., all of Worcester; five daughters, Linda L., wife of Thomas Amelotte, Cathlene A., wife of Roland LaBlanc, Debra B., wife of Peter G. Pelosi Jr., Marlene R. Johnson and Devora D. Johnson, all of Worcester; three sisters, Bernice L., wife of Donald W. Brown of Oxford, and Sandra G. wife of Richard D. Johns, and Donna M. Shackett, both of Worcester, and six grandchildren.

   Mrs. Johnson was born in Burlington Vt., the daughter of Earl J. and Grace L. (Burbo) Shackett, and lived in Worcester for 39 years.

   The funeral will be held tomorrow from the Morin Funeral Home, 290 Grafton St., with a Mass at 10 a.m. in Immaculate Conception Church, 353 Grove St.  Burial will be in Worcester County Memorial Park, Paxton. Calling hours at the funeral home are 2 to 4 and 7 to 9 today.