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First name origin & meaning:

Old German: Noble and ready

First name variations: Alfons, Alonso, Alonzo, Alphonse, Alphonsus, Affonso, Alfonse, Alfonsus, Alfonza, Alfonzo

Last name origin & meaning:

Spanish and southern Italian: from the personal name Alfonso, the name of a number of Spanish and Portuguese kings. It derives from the Visigothic personal name Adelfonsus, composed of the elements hathu ‘war’ + funs ‘ready’.