The name Sandra is a girl's name meaning "defending men". Sandra is ranked #877 on our popularity charts and is often added to lists like Midcentury Baby Names and discussed in our forums with posts like "Girls Makeover - Two Middles".
From the experts:
2012's Hurricane Sandy blew away whatever style currency Sandra retained from its 1960s Sandra Dee heyday. While in recent years it's been associated with Supreme Court Justice Sandra Day O'Connor, as a baby name Sandra is sinking beneath the waves.
Actress Sandra Dee added to the popularity of this name during the mid-twentieth century.