Frequency: (239)
(number of times this surname appears in a sample database of 88.7 million names, representing one third of the 1997 US population)
French: assimilated form of Belfort, a habitational name from any of various places so named, from Old French bel ‘beautiful’ + fort ‘fort’, ‘fortified castle’.
See the Key to the Dictionary or consult the General Introduction for further explanation.