What does Sheldon mean?
Sheldon /shel-don/ [2 sylls.] as a boys' name is pronounced SHEL-den. It is of Old English origin, and the meaning of Sheldon is "steep valley".
Also possibly "flat-topped hill". Place name. See also Shelton. Author Sidney Sheldon.
How popular is Sheldon?
Sheldon is a very prominent first name for males (#442 out of 1220, Top 36%) and also a very prominent last name for both adults and children (#1708 out of 150436, Top 1%). (2000 U.S. Census)
Shown below is the baby name popularity of Sheldon for boys. Sheldon reached its highest position of #288 in the U.S. in the 1930s, but is not in the Top 1000 at the moment. (2014 Birth Statistics)
Shown below is an analysis of the popularity of Sheldon and associated names. The only other popular variation form of Sheldon rated in the Top 1000 is Shelton. These boy names were at the apex of their popularity during the years 1930-1939 (usage of 0.548%) and have become significantly less widespread since, with the forms Sheldon and Shelton becoming less trendy. (2014 Birth Statistics)