The Personal Ordinariate of Our Lady of Walsingham is a specific ecclesiastical jurisdiction which juridically equivalent to a diocese and is overseen by its own Ordinary (see below) who may be a priest or bishop.
Unlike a diocese, whose membership is on a territorial basis, the membership of the Personal Ordinariate of Our Lady of Walsingham is on a ‘personal’ basis. In other words, no matter where a member of the Personal Ordinariate of Our Lady of Walsingham lives, within the Catholic Bishops’ Conference of England & Wales, they will in the first instance be under the ordinary ecclesial jurisdiction of the Personal Ordinariate of Our Lady of Walsingham, and not the diocese where they are territorially based.
The Personal Ordinariate of Our Lady of Walsingham is made up of laity, clergy and religious who were nurtured within the Anglican tradition. Following reception into the full communion of the Catholic Church, laity and religious become members of the Personal Ordinariate of Our Lady of Walsingham by enrolment in a register; with the ordination of priests and deacons, clergy are directly incardinated into (placed under the jurisdiction of) the Personal Ordinariate of Our Lady of Walsingham.