Barbara Bush, wife of President George H.W. Bush, was the first lady in 1991.
There is no salary for the first lady.
Michelle Obama is the first lady of the US as of 2009.
Clinton
Honorable First Lady of The United States:
No, the First Lady does not have her own dedicated plane.
If you mean first ever, first lady, it would have been Martha Washington
Michelle LaVaughn Robinson Obama is the First Lady.
The current first lady is Michelle_Obama, wife of President Barack_Obama.
Michelle Obama
The current first lady is Michelle_Obama, wife of President Barack_Obama.
Currently (in December 2015), the First Lady is Michelle Obama; she is the first woman of color in US history to be First Lady. When her husband Barack Obama's term as president ends, the US will have a new president and a new first lady---or if a woman wins, we will have a First Gentleman.
She is referred to as the first lady.