Names Like Costello — Find Similar Baby Names
Costello is an 8-letter Irish boys' name meaning “Surname.”. This page collects 90 such names across 6 kinds of similarity — including Irish cousins like Abban and Abiageal, rhyming names ending in -llo like Aello and Cullo, and names sharing the “surname” concept like Abell and Able.
For the full Costello profile (meaning, popularity history, famous people, state-by-state stats), see the main Costello page.
More Irish Names
24 baby names that share Costello’s Irish origin.
| Name | Meaning | Gender |
|---|---|---|
| Abban | Abbot ABRACHAM, BRAM | Male |
| Abiageal | Irish Form Of Abigail (Brings Joy) ADARA, ATHDARA | Female |
| Abracham | Irish Form Of Abraham | Male |
| Adare | From The Ford Of The Oak Tree | Male |
| Addergoole | From Between Two Fords | Male |
| Adeen | Little Fire | Female |
| Aderrig | From The Red Ford | Male |
| Aeary | Scholar | Male |
| Afric | Pleasant | Female |
| Africa | Pleasant | Female |
| Agata | Kind | Female |
| Agate | Kind | Female |
| Aghaderg | From The Red Ford | Male |
| Aghadreena | From The Field Of The Sloe Bushes | Female |
| Aghamora | From The Great Field | Female |
| Aghamore | From The Great Field | Male |
| Aghaveagh | From The Field Of The Old Tree | Female |
| Aghavilla | From The Field Of The Old Tree | Female |
| Aghna | Irish Form Of Agnes | Female |
| Aghy | Friend Of Horses | Male |
| Aguistin | Majestic | Male |
| Ahana | From The Little Ford | Female |
| Ahane | From The Little Ford | Male |
| Aideen | Little Fire | Female |
8-Letter C-Names Like Costello
24 names that share Costello's exact length (8 letters) and starting letter — a peer cluster for parents who like Costello's shape and sound.
Today's Most-Popular Boys' Names — Compare to Costello
Top 12 boys' names by US births in the most recent decade (2014–2024 SSA records). Each link opens a side-by-side comparison with Costello.
Names That Rhyme with Costello
13 baby names that share Costello's last 3 letters — -llo. Useful for rhyming sibling pairs and names with matching phonetic endings.
| Name | Meaning | Origin | Gender |
|---|---|---|---|
| Aello | Myth Name (A Harpy) | Greek | Female |
| Cullo | Hound Of Ulster | Irish | Male |
| Rollo | Renowned In The Land. Roland Was A Legendary Hero Who Served Charle... | French | Male |
| Akello | Alur Of Uganda Name Meaning "I Have Brought" Or "Bring Forth." | African | Male |
| Apollo | Uncle Of Tristan | Arthurian | Male |
| Flollo | Son Of Gawain | Arthurian | Male |
| Frollo | Killed By Arthur | Arthurian | Male |
| Okello | Ateso Of Uganda Name Meaning "Born After Twins." | African | Male |
| Pepillo | Spanish Form Of Joseph He Shall Add | Spanish | Male |
| Marcello | Little Warrior | Latin | Male |
| Arthgallo | High Honor | Arthurian | Male |
| Donatello | Gift From God. | Spanish | Male |
| Dohnatello | Strong Wise Leader. | English | Male |
Names That Start Like Costello
11 baby names that begin with the same opening sound as Costello — Cos-. Good for parents who like Costello's opening but want a different ending, or for matched-initial sibling sets.
| Name | Meaning | Origin | Gender |
|---|---|---|---|
| Cosmo | "Order, Universe." | Greek | Male |
| Costi | Steadfast, constant | Romanian | Male |
| Cosmas | Order | Greek | Male |
| Cosmin | Order, beauty, world | Romanian | Male |
| Costel | Steadfast, constant | Romanian | Male |
| Costin | Constant | Romanian | Male |
| Cosette | Victorious | French | Female |
| Cosimia | Of The Universe | Greek | Female |
| Costela | Meaning Unknown | Romanian | Female |
| Costica | Steadfast, constant | Romanian | Male |
| Coszcatl | Jewel | Nahuatl | Female |