What does Langdon mean?
Langdon is a rare given name for males but a very popular surname for both adults and children (#3878 out of 88799, Top 4%). (2000 U.S. Census)
Below is a graphed analysis of the popularity of Langdon and corresponding names. The only prominent alternative form of Langdon (#unlisted) is Landon (#43 in 2014). This boy name was at the apex of its popularity in the year 2010 and has become significantly less widespread since. Landon (#43) is the most fashionable birth name here, with this name enjoying a revival in popularity. (Top 1000 Baby Names Statistics, 2014)