It is capitalized when it is a title, meaning it comes before a name, but not as a pronoun, where it takes the place of a name. For example in Sir Elton John the Sir is capitalized, but in the sentence, "Hello sir," the sir would not be capitalized.
Mrs Slater Mrs Taylor
As an example: Sir Gerald means that a man, whose first name is Gerald, was knighted by the British Monarch. It is an award bestowed by the King or Queen of Britain on a person for services rendered to the Crown or country.
By "a Sir" we'll assume you mean someone who has been knighted... Sir Anthony Hopkins, for example. While it's possible for a Lord to be a Knight also (Lord Thomas Grey, Second Marquess of Dorset being one example, as he was also a Knight of the Bath and a Knight of the Garter), being a Knight does not automatically make someone a Lord (and vice versa).
sir
Logan
Sir John Alexander MacDonald.
Sir Ferdinando Gorges had Maine and John Mason governed New Hampshire.
The last name of the architect Sir Christopher is Wren. His other name is Michael.
Yes, it was. His full name was Sir John Alexander Macdonald.
Sir. Joseph John Thomson. Sir. Joseph John Thomson.
John Alexander MacDonald
John Alexander MacDonald
I think on the last count Sir John Mills had starred and appeared in no less than 57 films.
It is capitalized when it is a title, meaning it comes before a name, but not as a pronoun, where it takes the place of a name. For example in Sir Elton John the Sir is capitalized, but in the sentence, "Hello sir," the sir would not be capitalized.
He was commaned a knight by the queen.
goobins