# Costello

> English word · Proper noun · IPA /kɑˈstɛloʊ/ · frequency rank #19,800

## Definitions
1. A surname from Irish.
2. A locality in the Barkly Region, Northern Territory, Australia, named after John Costello (pastoralist).

## Etymology
Reduced Anglicized form of Irish Mac Oisdealbhaigh (“son of Oisdealbhach”), a personal name composed of the elements os (“deer”) and dealbhach (“resembling, in the form of”).

## Easily confused with
- **Castillo** (https://plainspell.com/en/vs/castillo-vs-costello)

## Common misspellings (10)
`ccostello`, `cosetllo`, `cosstello`, `costelo`, `costelol`, `costlelo`, `costtello`, `cotsello`, `csotello`, `ocstello`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/costello