Definition - What does Esquire mean?
Esquire simply refers to the title used by lawyers practicing in United States. The abbreviation of esquire is Esq., which is usually used after an attorney's name. For example, Steven Smith, Esq. The title can be used by both female and male lawyers. The term is not used in first person, but in third person like making an introduction or addressing an envelope.
Justipedia explains Esquire
Esquire is never used with titles like Ms., Mr., Dr., etc. In English law, esquire has somewhat of a different meaning. It is used to represent a title of dignity, which is below "knight" and above "gentleman."