This name is derived from the Greek names Alexander/Alexandra, and means “defender of men.” Maybe that means your little Sandy will stand up to a bully’s sandbox shenanigans and be the hero of the day? That’d be awesome.
Sandy is already a nickname-name.
Famous people named Sandy:
Bass guitarist Sandy Beales; baseball legend Sandy Koufax; actor Sandy Winton; actresses Sandy Duncan and Sandy Dennis; model Sandy Johnson.
From "Spongebob Squarepants" to Grease and Little Orphan Annie, pop culture loves the name Sandy, as it's featured in all of these and more.