Excellency, Excellency - American usage, Excellency - Commonwealth usage, Excellency - Other countries, Style - Manner of Address, Use of courtesy titles and honorifics in professional writing
In the United States, the form "Excellency" was specifically denied to the President, with "Mr./Madam President" or "The Honorable ..." being the only legally accepted forms. However, in many foreign countries and in UN protocol the President of the United States is usually referred to as "His Excellency."
In New England, governors have retained the honorific "Excellency," following traditional British colonial practice, though it is rarely used. The six New England states are:
Massachusetts
Rhode Island
Connecticut
New Ham ...
In most republican nations, the president is formally called "His/Her Excellency" and the initials "HE" are often presented in front of his/her name in formal documents. Following the American model, the simpler form "Mr./Madam President" remains the most common means of address for day-to-day conversation.
If a republic has a prime minister, he or she is often addressed as "Excellency" as well. If the nation is a constitutional monarchy, however, rules vary. Many European monarchies do not specifically give this form of address to their prime minis ...
The form "Excellency" has never been used to refer to or address The Queen or any earlier British monarch, in any of the countries where that monarchy is recognized. The mistaken belief that it can or should be used may arise either from (a) errors of protocol in other countries, or at the UN; or (b) confusion due to embellishments to the "Majestic" style, e.g. on Acts of Parliament, "Excellent Majesty", or on passports, "Britannic Majesty".
Otherwise the style "Excellency" is generally accorded to the current holders of the following ...