Ambassadors, Foreign, to the United States, are addressed officially by the titles recognized in their own countries, and if they have no title, as "Mr. ——," followed by title of office. United States ambassadors to foreign countries, officially as "Mr. ——" or "Hon. ——," followed by title of office. There are but four ambassadors sent out by the United States, the ministers to Russia and England having been but lately invested with that title.
The Hon. John Jones, United States Ambassador to the United Kingdom of Great Britain and Ireland, or to the Court of St. James.
Archbishop (Roman Catholic)—Letters addressed: "The Most Reverend ——, D.D., Archbishop of ——."
Associate Justices—Addressed with: "Hon.," name and name of office, but spoken of as "Mr. Justice ——."
Bishop—Addressed: "The Right Reverend ——, D.D., Bishop of ——." The address of Protestant Episcopal and Roman Catholic Bishops is precisely the same. Bishops of the Methodist Episcopal Church are addressed as the "Reverend Bishop ——, D.D."
Cabinet Members—Addressed as: "Honorable," usually contracted to "Hon.," as: Hon. James Johnson, Secretary of State, Washington, D.C.
Cardinal (Roman Catholic) is addressed in writing, and spoken of as: "His Eminence ——, Cardinal (Bishop, Priest, or Deacon, according to rank) of the Holy Roman Church," spoken to as, "Your Grace."
Chief Justice—Addressed as: "Hon. Chief Justice of the Supreme Court of the United States."
Chief Justice's Wife—Addressed as: "Mrs. Chief Justice ——," by virtue of a social custom that is largely observed. This custom does not extend to daughters.
Clergymen—Addressed as: "The Rev. ——," spoken to as, "Mr. ——." If a doctor of divinity, addressed as, "—— ——, D.D.," or "The Reverend ——, D.D.," and spoken to or of as, "Dr. ——."