Personal Ordinariate of the Chair of Saint Peter

The Personal Ordinariate of the Chair of Saint Peter (Latin: Ordinariatus Personalis Cathedrae Sancti Petri) is a Latin Church ecclesiastical jurisdiction or personal ordinariate of the Catholic Church for Anglican (Episcopal) converts in the United States and Canada. Former members of communions of "Anglican heritage" such as Methodist churches and the United Church of Canada are included.

Ordinariate parishes maintain elements of Anglican liturgy and tradition in their Masses and other worship services, such as Evensong. The ordinariate is under the direct authority (exempt) of the Holy See.

The Personal Ordinariate of the Chair of Saint Peter includes more 40 parishes and missions with 8,000 members in the United States and Canada. It is based in Houston, Texas, with the Cathedral of Our Lady of Walsingham as its principal church.

The liturgy of the ordinariate, known as the Anglican Use, is a form of the Roman Rite with the introduction of traditional English Catholic and Anglican elements. Also called "Divine Worship" or the "Ordinariate Use", the Mass is celebrated according to Divine Worship: The Missal and the canonical hours according to Divine Worship: Daily Office.

The ordinariate describes itself as "a structure, similar to a diocese, that was created by the Holy See in 2012 for former Anglican communities and clergy seeking to become Catholic. Once Catholic, the communities retain many aspects of their Anglican heritage, liturgy, and traditions". It has also been described as "a special kind of diocese confined to specific national territory – much like a military ordinariate that serves members of a national armed forces".

The original ordinariate territory was the same as that of the United States Conference of Catholic Bishops (USCCB). However, the Vatican announced on December 7, 2012, that after consulting the Canadian Conference of Catholic Bishops (CCCB), it was extending the ordinariate to include Canada. Accordingly, the head of the ordinariate, currently Bishop Steven J. Lopes, is a full member of both the USCCB and the CCCB.