Rathbun

Etymology
from Middle English rath (Old English hræth) ‘eager, swift’ + bon (Old English bān) ‘bone’, specifically here the leg bone. In some instances the name was recorded with bayn (Old Norse beinn) ‘bone, leg’ in place of native English ban(e). This form of the surname is now rare in Britain.

Statistics

 * According to the 2010 United States Census, Rathbun is the 5381st most common surname in the United States, belonging to 6467 individuals. Rathbun is most common among White (94.74%) individuals.