McElroyvsMcIlroyWhich spelling fits?

Which to use

“McElroy” and “McIlroy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#44,930
“McElroy” frequency rank
#39,908
“McIlroy” frequency rank
84838
confusion score

Side-by-Side Comparison

Feature McElroy McIlroy
Definition A surname from Irish. A surname from Irish.

Letter map: McElroy vs McIlroy

Shared letters muted; letters that set McElroy and McIlroy apart highlighted. Shared run: 6. McElroy and McIlroy follow the identical consonant-vowel pattern (CCVCCVV). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
McElroy
7 ch
McIlroy

Corpus notes: McElroy and McIlroy

McElroy and McIlroy are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - e in “McElroy” becomes i in “McIlroy”. Our composite confusion score for this pair is 84838, derived from the frequency rank of both members and their visual similarity.

McElroy is recorded at frequency rank #44,930, classified as aname, pronounced /ˈmækl̩ˌɹɔɪ/. McIlroy is at rank #39,908, tagged as aname.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 84838, this pair ranks #11,377 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of McElroy vs McIlroy

Shared letters: clmory. Private to "McElroy": e. Private to "McIlroy": i.

"McElroy" · 7 letters · shape CCVCCVV  ·  "McIlroy" · 7 letters · shape CCVCCVV

Known mistypes of this pair

  • McElroy ← cmelroy · mccelroy · mcellroy · mcelory · mcelroyy · mcelrroy · mcelryo · mcerloy
  • McIlroy ← cmilroy · mccilroy · mcillroy · mcilory · mcilroyy · mcilrroy · mcilryo · mcirloy

Frequently Asked Questions

Is swapping "McElroy" for "McIlroy" ever safe?
No. They differ by a single letter - e in “McElroy” becomes i in “McIlroy”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "McElroy" vs "McIlroy" - which ranks higher?
"McIlroy" is the more common of the two: it sits at frequency rank #39,908 in our English list, against #44,930 for "McElroy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "McElroy" vs "McIlroy" is on the table, pick a follow-up below.

  • Full dictionary entry for "McElroy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "McIlroy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,377 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "McElroy" and "McIlroy" also get mixed up with nearby pairs, the highest-scored neighbour is "McElroy vs McEnroe". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #11,377 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list