And it's not used only as a form of address, but also when we speak of a mother in the third person.

NPR: Are You My Mother?

El Gato, a middle-aged man with a severe manner, asked Don Miguel, using a respectful form of address, for his side of the story.

NEWYORKER: Silver or Lead

They speak loudly and warmly to each other in an accent that alternates between a drawling slang and a polite and mannered form of address.

BBC: New Orleans and the 'Super Gras'

The DVLA received a "new keeper form" for the bike in the false name of Gregory Robinson with an address in Chester.

BBC: North West Wales

Beruk said this is a form of "e-mail stalking" that bidders are exposed to because their e-mail address becomes public when they participate in an auction.

CNN: Technology - New online software piracy emerges