Home > -io Names

Boy Names Ending with -io

Io ending baby names and what they mean, with 208 results. -io names are used more often as masculine names. These boy names reached the height of their popularity in 2005 (USAGE OF 0.8%) and are somewhat less common today (USAGE 0.5%, 37%), with names such as Octavio becoming somewhat dated. Emilio (#248), Dario (#830), Benicio (#880) and Ignacio (#945) are four of the more contemporarily stylish baby names in this list, while Barrio (TOP 17%) and Iorio (8%) are popular -io surnames.

-io names

Abejundio - Apolonio | Arcadio - Caio | Caio - Damario | Darcio - Ennio | Enzio - Fulgencio | Fulvio - Indio | .. - .. | Venezio - Virginio

Abejundio - Apolonio

Derivative of Spanish language. "Bee-like." Unusual. Compare Abejundio and common last names Acencio (TOP 63%), Asencio (8%), with the -io suffix.

Abundio, var. Aboundio, Abondio, Abbondio
Root fr. Latin word. "Abundant, plenty." Outside Top 2000.

Acacio, var. Accacio
Stems fr. Greek element. "Thorny tree." Acacio and Accacio are rarely used men's names, and Acacio appears regularly (TOP 54%) as a surname.

Derivative of Latin word. "Desire to please." Outside Top 2000.

Emil and variants

Emilio, Emelio, Aemilio
Var. of Emil. Source fr. Latin. "Rival; laborious; eager." Emelio (TOP 77%) and Emilio (33%) appear frequently as last names.

Alexio1, Aleksio
Forms of Alexis. Stems fr. Greek. "Defender." Compare surnames Aleksic (UPPER 63%), Alesio (85%).

Var. of Alem. From Arabic language. "Wise man." A quaint children's name. See also Aleric.

Alicio, Alexio2
Var. of Alexander. Derived fr. Greek. "Man's defender, warrior." Aedio and Aluio are creative variations.

Derived fr. Italian element. "White." Not Top 2000 name. See also Alfa.

Aloisio1, Aloisio2
Var. of Aloysius. Stems fr. Old German word. "Famous warrior." Not in popularity charts. See also Alicio.

Top 2000 baby names ranking of -io names: Antonio, Apolonio, Emilio

Alucio, var. Aluzio, Aluxio, Allucio
Derivative of Spanish, Latin words. "Bright, shining." Alucio, Aluxio, etc. were not among 2018's Top names.

Form of Alvar. Derived fr. Old English word. "Elf or magical army, warrior." Outside Top 2000. See also Alerio.

Amalio, var. Amelio
Root fr. Spanish, Old German. "Industrious." Amilio is a slightly favored kid's name.

Ambrosio, Ambrogio, Ambroggio
Var. of Ambrose. Based on Greek element. "Immortal." Not in popularity charts.

Stasio, Anastasio, Anastagio
Forms of Anastasios. Origin fr. Greek. "Resurrection." Anastagio, Anastasio and Stasio are not frequently adopted as children's names.

Var. of Anatole. From Greek language. "Break of day." Not that popular as a birth name.

Form of Aniketos. From Greek element. "Unconquered." Not in Top 2000. See also Anicho.


Var. of Anthony. From Latin element. English form of the old Roman .. Adoption of Antonio as a boys' name in 2018 was down 39.1% compared to 2008. See also Antonito.

Root fr. Spanish, Italian, Latin elements. Variant of Anthony .. Adoption of Antonio grew 2 decades ago and has become diminished. See also Antoni.


Root fr. Spanish, Greek languages. "Follower of Apollo." Slightly atypical as a baby name, Apolonio is found more frequently as a surname.

Quick Reference

Summary Index of names [and variants] for -io names for boys.

1. Abejundio - Apolonio
Abejundio, Abundio [Aboundio, ..], Acacio [Accacio], Adulio, Emil [Emilio, ..], Alexis [Alexio, ..], Alem [Alerio], Alexander [Alicio, ..], Alfio, Aloysius [Aloisio, ..], Alucio [Aluzio, ..], Alvar [Alverio], Amalio [Amelio], Ambrose [Ambrosio, ..], Anastasios [Stasio, ..], Anatole [Anatolio], Aniketos [Anisio], Anthony [Antonio], Antonio, Apolonio

Arcadio [Alcedio, ..], Arcelio [Aricelio], Argento [Argentio], Aristeo [Aristio], Arrio [Ario], Arsenio [Arsinio, ..], Artemas [Artemio], Athanasios [Atanasio], Attila [Attilio], Aurelio, Baron [Baronicio], Basil [Basilio], Belisario, Benedict [Benicio], Blaze [Biagio, ..], Biagio [Biaggio], Boniface [Bonifacio, ..], Braulio [Bravlio, ..], Brice [Brizio, ..], Caius [Caio]

Gaius [Caio], Caeo [Caio], Cai [Caio], Candelario [Candelerio], Candido [Candidio], Cassius [Cassio], Castor [Castorio], Cecil [Celio, ..], Celio, Cesar [Cesario], Cyril [Cirilio], Claude [Klaudio, ..], Clement [Clemencio], Clovis [Clovio], Cornelius [Cornelio], Curtis [Curcio], Custodio, Dace [Dacio], Da- [Damario], Damario [Demario]

Darcel [Darcio], Dardanos [Dardanio], Darius [Dario], Dario, Decimus [Decio], De- [Demario], Demetrius [Demetrio], Desiderio, Dionysius [Dionisio, ..], Dennis [Dionisio], Eugene [Ifigenio, ..], Efigenio [Ephigenio], Efisio, Giles [Egidio], Egidio, Eladio, Eligius [Eligio], Elvio, Elvis [Elvio], Ennio

Henry [Enzio], Enzo [Enzio], Epifanio [Epephanio, ..], Ermin [Erminio], Eusebius [Eusevio, ..], Eustace [Eustazio, ..], Eudocio, Euphemios [Euphemio, ..], Eulogio, Ezio, Fabian [Favio, ..], Fabrice [Fabrizio], Fidel [Fidelio, ..], Felix [Felizio, ..], Flaminio, Flavian [Flavio], Florent [Florinio], Fortune [Fortunio], Francis [Franio], Fulgentius [Fulgencio]

Fulvio, Gedaliah [Gedalio], Gene [Genio], George [Giorgio, ..], Gervase [Gervasio], Giulio, Julius [Julio, ..], Gregory [Gregorio], Walter [Gualterio], Gauthier [Gualterio], Harmony [Harmonio], Heladio [Eladio], Hilary [Illario, ..], Hercules [Heraclio], Herman [Herminio], Horace [Orazio, ..], Horatio, Ignatius [Inacio, ..], Ilario, Indio [Undeio]

Innocenzio [Inocencio], Irenio, Gennaro [Januario], Je- [Jemario], Julian [Julio], Junius [Junio], Constantine [Konstantio], Konstantin [Konstantio], La- [Lamario], Lorenzo [Laurencio], Leon [Lionisio, ..], Leo [Leoncio], Liberio, Lidio [Lydio, ..], Luther [Lothario, ..], Lothar [Lothario], Lucian [Lucio], Luke [Lucio], Makarios [Makario, ..], Macedonio

Mace [Macerio], Manasseh [Manasio], March [Marcio], Mario, Mark [Mario], Maurice [Maurizio, ..], Melesio [Milesio, ..], Michio, Miki [Mikio], Morio, Nazaire [Nazario, ..], Natal [Natalio], Neckarios [Nektario], Nemesio, Nestor [Nestorio, ..], Nuncio [Nunzio], Octavio [Ottavio], Odilo [Odilio], Olimpio [Olympio], Oliver [Olivio, ..]

Onofrio [Onophrio], Humphrey [Onofrio], Orazio [Oratio], Orson [Orsonio], Paladio, Parmenio, Patrick [Patrizio, ..], Pedro [Pedrio], Pio, Pompeo [Pomponio, ..], Porfirio, Procopio, Prudencio, Refugio, Remedio, Rio, Rocio, Roger [Rogerio, ..], Rosario, Rubio

Sachio, Salvio, Sancho [Sanzio, ..], Xavier [Saverio], Scipio, Scorpio, Seferino [Sephirio], Sergio [Sirgio, ..], Servas [Servacio], Sidonio, Silvanus [Sylvio, ..], Silas [Silvio], Stanislaus [Stasio], Thaddeus [Tadzio, ..], Tadeo [Tadzio], Tavio, Terence [Terencio], Tony [Tonio], Torio [Torrio], Valerian [Valerio]

Venezio, Venturo [Venturio], Virgil [Virgilio, ..], Vesuvio, Vincent [Vincenzio, ..], Victor [Vittorio, ..], Vidal [Videlio], Virginius [Virginio]

Usage comparison for -io names