(the evolution of Latin to Italian did not progress evenly across what we now call Italy, which is why some names look 'Italian' and other 'Latin')
*names marked with an asterisk are still actual words in Italian today.
Boys:
- Aiuto* (ah-YOO-toh)--"help, support" [not one I would necessarily recommend, as it literally means "help!", but the Studio Ghibli nerd in me just had to include it]
- Alamannus (ahl-ah-MAHN-noos)--"German". Another form is Alamanno* (ahl-ah-MAHN-noh)
- Ardovino (ahr-doh-VEEN-oh)--prob. form of Arduino/Hartwin
- Attaviano (aht-tah-vee-AH-noh)--prob. form of Octavian
- Azzo (AHTZ-zoh)--short form of -azzo diminutives
- Bertoldus (behr-TOHL-doos)--from Germanic "bright-graceful". Another form is Bertollo (behr-TOHL-loh).
- Biasio (BYAHZ-yoh)--prob. form of Biagio/Blaise
- Bonaiuto (bohn-ah-YOO-toh)--"good help"
- Borso (BOR-soh)--origin unknown
- Calandro* (kah-LAHN-droh)--poss. from Greek kalandros, a type of lark. [in modern Italian, calandro is a type of pipit]
- Castello* (kahs-TEL-loh)--"castle"
- Clario (KLAH-ree-oh)--masculine of Chiara/Clara. Another form is Chiaro (KYAHR-oh).
- Collino (kohl-LEEN-oh)--diminutive of Niccolò/Nicholas
- Dionigi (dee-oh-NEE-jee)--form of Dionisio/Dennis
- Duccio (DOOCH-yoh)--short form of -duccio names, like Balduccio or Guiduccio. Another form was Duccino (doo-CHEE-noh).
- Galeazzo (gah-leh-AHTZ-zoh)--prob. "helmet". Another form was Galeotto (gah-leh-OHT-toh).
- Giannozzo (jahn-NOHTZ-zoh)--diminutive of Giovanni/John. Another form was Giannotto (jahn-NOHT-toh).
- Gionta (JOHN-tah)--prob. form of Giovanni/John. Another form was Zonta (ZOHN-tah).
- Giovenco* (joh-VEN-koh)--"young bull"
- Landolfus (lahn-DOHL-foos)--from Germanic "land wolf". Another form is Landolfo (lahn-DOHL-foh).
- Mafeo (mah-FEH-oh)--form of Matteo/Matthew. Other forms include Mazzeo (mahtz-EH-oh) and Masseo (mahs-SEH-oh).
- Onofrio (oh-NOH-free-oh)--from Egyptian "he who is always happy" or "he who is perfect". Also spelled Honofrio. Other forms include Noffrio (NOHF-free-oh), Nofri (NOH-free), and Nofrius (noh-FREE-oos).
- Pierozzo (pyehr-OHTZ-zoh)--diminutive of Pietro/Peter
- Prospero (prohs-PEHR-oh)--"prosperous, thriving"
- Rigo (REE-goh)--short form of -rigo names, most of which are from Germanic, "ruler".
- Rubeus (ROO-beh-oos)--"red"
- Salvi (SAHL-vee)--short form of Salvador. Another form was Salvetto (sahl-VET-toh).
- Sforza* (SFOR-tzah)--"to force"
- Smeraldo (smehr-AHL-doh)--masculine of Smeralda/Esmeralda
- Talomeo (tah-loh-MEH-oh)--prob. form of Bartolomeo/Bartholomew or poss. Tolomeo/Ptolemy
- Tedesco* (ted-ES-koh)--from Germanic "of the people, German" [means 'German' in modern Italian]
- Venuto* (ven-OO-toh)--"come"
- Vieri (VYEHR-ee)--prob. form of Uliviero/Oliver, or poss. "weave, plait"
- Zenobi (tzen-OH-bee)--from Greek Zenobios, "life of Zeus". Another form was Zanobio (tzah-NOH-bee-oh).
Girls:
- Adelasia (ah-deh-LAHZ-yah)--form of Adelaide. Other forms included Adelagia (ah-deh-LAH-jah) and Adelaisa (ah-del-EYE-sah).
- Aldiana (ahl-dee-AH-nah)--form of Germanic Ald- names, "old".
- Allegrezza* (ahl-leh-GRETZ-ah)--"joyfulness"
- Alovigia (ah-loh-VEE-jah)--prob. form of Luigia/Louise. Another form was Alovisa (ah-loh-VEE-sah).
- Alteria (ahl-TEHR-ee-ah)--"other one"
- Amata* (ah-MAH-tah)--form of Amy, "beloved"
- Angeletta (ahn-jeh-LET-tah)--diminutive of Angela
- Bartolomea (bar-toh-loh-MEH-ah)--feminine of Bartolomeo/Bartholomew
- Benetta (ben-ET-tah)--feminine of Benedetto/Benedict
- Biagia (BYAH-jah)--feminine of Biagio/Blaise
- Bonavera (boh-nah-VEHR-ah)--"good-true"
- Brisca (BREES-kah)--origin unknown. Also spelled Brisscha.
- Caradonna (kah-rah-DOHN-nah)--"dear lady"
- Clemenza* (kleh-MEN-tzah)--form of Clementine, "mildness, mercy"
- Cleofe (KLEH-oh-feh)--form of Cleophée
- Crescentia (kreh-SHEN-tee-ah)--"rising, growing"
- Cristofana (krees-toh-FAH-nah)--feminine of Cristoforo/Christopher
- Deodata (deh-oh-DAH-tah)--"given by God"
- Divitia (dee-VEE-tee-ah)--"wealth". Later form is Dovizia* (doh-VEETZ-yah).
- Fiordelise (fyor-de-LEE-zeh)--prob. from French fleur de lys, "lily flower"
- Franchetta (frahn-KET-tah)--form of Francesca
- Gaita (gah-EE-tah)--origin unknown, but probably Germanic. Also spelled Gayta.
- Genevria (jen-EV-ree-ah)--form of Guinevere. Another form was Ginevria (jee-NEV-ree-ah).
- Ieronima (yehr-OH-nee-mah)--feminine of Girolamo/Jerome
- Isabetta (ee-zah-BET-tah)--form of Elisabetta/Elizabeth. Also spelled Ysabeta or Isabeta.
- Lella (LEL-lah)--short form of -ella names
- Leonetta (leh-oh-NET-tah)--diminutive of Leona
- Loisia (loh-EES-yah)--prob. form of Luigia/Louise
- Lucida* (loo-CHEE-dah)--"shining, lucid"
- Lucieta (loo-CHEH-tah)--diminutive of Lucia
- Mabilia (mah-BEE-lee-ah)--form of Mabel
- Nicolosa (nee-koh-LOH-sah)--feminine of Niccolò/Nicholas. Also spelled Niccolosa.
- Nofra (NOH-frah)--prob. feminine of Nofri/Onofrio.
- Oretta (oh-RET-tah)--origin unknown
- Polita (poh-LEE-tah)--form of Hippolyta, "horse-freer"
- Regalis (reh-GAH-lees)--"regal"
- Richa (REE-kah)--short form of Germanic -ric- names, "ruler". Also spelled Riccha or Ricca.
- Richelda (ree-KEL-dah)--from Germanic, "ruler-battle"
- Rugiada* (roo-JAH-dah)--"dew"
- Samaritana* (sah-mah-ree-TAH-nah)--"Samaritan", ultimately from Hebrew, "keep watch"
- Santesa (sahn-TEH-sah)--prob. "saint"
- Savia* (SAHV-yah)--"wise"
- Sibilia (see-BEEL-yah)--form of Sybil
- Sovrana* (sohv-RAH-nah)--"sovereign"
- Taddea (tahd-DEH-ah)--feminine of Taddeo/Thaddeus. Also spelled Tadea.
- Tedesca* (ted-ES-kah)--from Germanic "of the people, German" [means 'German' in modern Italian]
- Viridis (VEER-ee-dees)--"green, verdant". Other forms are Verdiana (vehr-dee-AH-nah) and Virdiana (veer-dee-AH-nah).
- Zilia (ZEEL-yah)--poss. form of Cecilia
- Zuanna (zoo-AHN-nah)--form of Gianna/Jane. Also spelled Zuana.
Purists will probably notice that not only Latin & Italian forms mixed together indiscriminately, but differing dialects are as well-Venetian, Tuscan, etc. Sorry! :p