I remember getting junk mail that was sent bulk rate postage and addressed to 'Occupant' that had 'PERSONAL and CONFIDENTIAL' stamped in big letters on the envelope.

>Whatever you say. I just meant that Sir/Madam could be applicable to your question, when gender is unknown. Referring in the name only could be considered too casual in some situations.
>
>>I used to always write Dear Sir/Madam when I don't know the name. Somehow recently I started to dislike this form. Since I know first/last name, may be simple
>>
>>Dear FirstName LastName,
>>
>>....
>>
>>Sincerely,
>>
>>
>>
>>will suffice?
>>
>>Thanks.
>>
>>>Use 'Dear Sir/Madam' and put the name on top.
>>>
>>>>What if I omit Ms. and just write
>>>>
>>>>Dear Lauren LastName,
>>>>
>>>>...
>>>>
>>>>Or
>>>>
>>>>Dear Ms. Lauren ... is better ?
>>>>
>>>>
>>>>>Female
>>>>>http://www.zelo.com/firstnames/findresults.asp?name=LAUREN
>>>>>>Hi everybody,
>>>>>>
>>>>>>I'm writing a letter to Lauren and need to know how to proper address this person. I started Dear Sir, but then had second thought.
>>>>>>
>>>>>>What do you think?
>>>>>>
>>>>>>Thanks in advance.