Mrs. is a title of respect that may be used to address a married woman. Ms. is preferable, especially if you do not know what the woman's preferred title is, or if you do not know the marital status of the woman.
The web address of the Woman'S Club is: http://www.concordwomansclub.com
The web address of the Dayton Woman'S Club is: http://www.thedaytonwomansclub.com
The web address of the Woman Made Gallery is: http://www.womanmade.org
Unless the woman specifies otherwise, always address correspondence to Ms.
In Farsi, you can address a woman by saying "khanoom" (خانم) before her first name. For example, "khanoom Sara." This is a polite and respectful way to address a woman in Persian culture.
Frau
Madame.
"madame"
The web address of the Woman'S Club Of El Paso is: http://www.wcoep.org
There is a great deal of confusion as to how to address a letter to an assembly woman in office. The proper salutation would be Dear Honorable and then their name.
You can address an unmarried woman as "Ms." just as well as a married woman. In a situation where you are unsure of the marital status, "Ms." is a safe form of address, and avoid "Miss" and "Mrs."