ARMSTRONGEnglish Means "strong arm" from Middle English. Tradition holds that the family is descended from Siward, an 11th-century Earl of Northumbria. Famous bearers of this name include the Americans Louis Armstrong (1901-1971), a jazz musician, and Neil Armstrong (1930-2012), an astronaut who was the first person to walk on the moon.
BÄHRGerman From Middle High German bër"bear" or ber"boar". This was originally a nickname for a strong or brave person.
FERMIItalian Originally indicated a person from the town of Fermo in the Marche region of Italy, originally called Firmum in Latin meaning "strong, steady, firm".
GAGLIARDIItalian From Italian gagliardo meaning "strong, vigorous".
HARDINGEnglish Derived from the given name HEARD. A famous bearer was American president Warren G. Harding (1865-1923).
HARDYEnglish, French From Old French and Middle English hardi meaning "bold, daring, hardy", of Germanic origin.