Boy Costello Costello means: Surname. Costello Name Origin: Irish Share your thoughts about Costello Share Popularity Lists Infographic of Costello name meaning, which is Surname. Ask your friends & family about Costello… Share Pin Tweet Email Text Costello Name Popularity How popular is the name Costello? Here’s everything we know. Sorry, popularity data for the name Costello is not available. Lists With Costello Find inspiration in these baby boy name lists featuring the name Costello. 3 Syllable Boy Names Ready for Your List // 150 names Find balance and rhythm with 3 syllable boy names. Check out our list of these longer picks. Share your thoughts on the name Costello Cancel ReplyYour email address will not be published. All fields are required *Name * Email * Your Thoughts * Δ Search Baby Names Quick Search Search Go Advanced Search Name Starts With Ends With Gender Any Boys Girls Only show unisex names Current Popularity [U.S.] Any More Popular Less Popular Origin Select origin… English Latin Hebrew Greek German Irish French American Spanish Arabic Aboriginal African American Ancient Anglo-Saxon Arabic Aramaic Armenian Arthurian Legend Asian Aztec (Nahuatl) Bulgarian Celtic Chinese Danish Dutch Egyptian English European French Gaelic German Greek Hebrew Hungarian Indian (Sanskrit) Indonesian Irish Israeli Italian Japanese Latin Modern Native American Persian Polish Polynesian Portuguese Russian Scandinavian Scottish Slavic Spanish Turkish Unknown Vietnamese Welsh Yiddish Meaning Number of Letters Min Max Syllables [BETA] Min Max Search Baby Names