Alphonso is an Italian and Spanish variant of the Greek name Alexander, which means 'defending men.' The name gained popularity during the Middle Ages when it was borne by several European monarchs. In Italy, it's often shortened to Alfonso, while in Spain, it's typically spelled with a single 'f' as Alfonse. Notable figures bearing this name include Alfonso X of Castile, known for his significant contributions to literature and learning, and Alphonso Dunn, an American football player who played professionally in the National Football League. The name Alphonso has a strong historical presence and offers a unique blend of classical and modern appeal.
The name Alphonso experienced a decline over time, with peaks in the mid-20th century and a noticeable drop-off in recent decades.