Fr. Michael J. Sheridan, a priest of the Diocese of Worcester, is being assigned to sacramental ministry at St. Ann Parish in Southboro while their pastor, Fr. Conrad Pecevich, is away on a medical leave of absence. Deacon Paul Reuter, who has been serving St. Ann parish since his ordination last June, will be the administrator of the parish. The assignments are being announced in the parish this weekend by Fr. James Caldarella, minister to priests, on behalf of Bishop Robert McManus, Bishop of Worcester.