Use of surnames in the inside address
Courtesy titles usage
Inside address is the address of the recipient of a letter.
If the surname of the person you are writing to is known, write it as the first line of the address. For example:
Mr. John Turner
44 Adwards Road
Include the first and the last name, e.g. Mr. John Turner, not just Mr. Turner.
Other courtesy titles used in addresses are:
Mr. – courtesy title for a man. Don’t use abbreviated Mister.
Ms. – used for both married and unmarried women.
Mrs. – used for a married woman.
Miss – used for an unmarried woman.
For more interesting information on courtesy titles, please, view the provided video podcast.