There are 7 -nso names for baby boys. Displayed on this page are -nso names 1 to 7. Alfonso was the most popular among these names in 2008. The name is primarily used in English, Italian, and Spanish, and it was followed in popularity by Alonso, which is used in Italian and Spanish. The unusual -nso names are Affonso (Portuguese), Afonso (Galician and Portuguese), Alphonso (Italian and Spanish), Fonso (Spanish), and Ildefonso (Spanish). -nso names are somewhat popular baby names for boys. The names rose in popularity from the 1900s up to the 1910s. At the modest height of their usage in 1910, 0.046% of baby boys were given -nso names. There were 2 -nso names ranked within the top 1000 baby names then. -nso names have since experienced a decline in frequency. In 2008, 2 -nso names listed among the top 1000, with a combined usage of 0.037%. Within all -nso names, the English, Italian, and Spanish Alfonso was the most commonly used, with a ranking of #585 and a usage of 0.0199%.
| Affonso | noble and ready ... of Gothic origin and it is ... variant form of Alfonso ... |
| Afonso | noble and ready ... origin is Gothic, and its use, Galician and ... variant form of Alfonso ... |
Alfonso  585 | noble and ready ... an English, Italian, and Spanish name ... The name is of disputed origin ... |
Alonso  660 | noble and ready ... language of origin is Gothic, and it is used ... variant form of Alfonso ... |
Alphonso  | noble and ready ... origin is Gothic, and its use, Italian and ... variation of Alfonso ... |
| Fonso | noble and ready ... of Gothic origin and it is used mainly ... form of Alfonso ... |
| Ildefonso | battle ready ... language of origin is Gothic and it is ... name was borne by a 7th-century archbishop of ... |
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