What does Langdon mean?
Langdon /lang-don/ [2 sylls.] as a boys' name is pronounced LANG-don. It is of Old English origin, and the meaning of Langdon is "long hill slope". Place name.
How popular is Langdon?
Langdon is a rare given name for males but a very popular surname for both adults and children (#3734 out of 150436, Top 2%). (2000 U.S. Census)
Below is a graphed analysis of the popularity of Langdon and corresponding names. The only prominent alternative form of Langdon (not ranked) is Landon (#43 in 2014). This boy name was at the apex of its popularity in the year 2010 (usage of 0.968%) and has become significantly less widespread since (usage 0.957%, down 1.1%). Landon (#43) is the most fashionable birth name here, and there is a revival in baby name popularity for this name. (Top 1000 Baby Names Statistics, 2014)