I never quite got this "mother's maiden name" thing. Isn't your mother's maiden name... your mother's current name, minus the extra surname she got when she married? Why is this treated as a hard-to-discover information?
I think he's saying the maiden name is easily found. At least in Brazil, the husband's surname is _appended_ at the end, doesn't replace the maiden one: Jane Doe Smith.
Yeah, but often (usually?) the woman's maiden name replaces her middle name. E.g. Jane Elizabeth Doe -> Jane Doe Smith. I'm pretty sure my mom's maiden name is printed on her driver's license, paper checks, etc.
