Heffernan

name

"heffernan" is a 9-letter English headword indexed on PlainSpell.

The verdict

“Heffernan” is uncommon English (frequency #51,159 among 2,646 “H” headwords), classed as a proper noun. The kind of spelling people second-guess.

#51,159
frequency rank, English
2,646
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A surname from Irish.

Corpus desk

Index EN-heffernan · Heffernan · English

Heffernan · rank #51,159 · 0 variants · 0 confusables

  • FREQ-RARE #51,159
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH headlamp

Nearest frequency peer: headlamp (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “Heffernan”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “Heffernan” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Heffernan
PropertyValue
HeadwordHeffernan
LanguageEnglish
Part of speechProper noun
Letters9
Frequency rank#51,159
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Heffernan” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).Heffernanfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “headlamp” (#51,158), “handlebar” (#51,154), “hillier” (#51,164). Among 2,646 “H” headwords, “Heffernan” is #51,159. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Heffernan is uncommon English at frequency #51,159 among 2,646 “H” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A surname from Irish.".

The misspelling generator found no plausible variants for Heffernan, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Anglicized form of Irish Ó hIfearnáin (“descendant of Ifearnán”), a personal name derived from a diminutive form of ifreannach (“demon”), from ifreann (“hell”). The correct English form is Heffernan, spelled H-E-F-F-E-R-N-A-N.

Definition

  1. 1
    A surname from Irish.

Etymology

Anglicized form of Irish Ó hIfearnáin (“descendant of Ifearnán”), a personal name derived from a diminutive form of ifreannach (“demon”), from ifreann (“hell”).

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Heffernan"?
"Heffernan" is spelled H-E-F-F-E-R-N-A-N.
What does "Heffernan" mean?
As a proper noun, "Heffernan" means: A surname from Irish.
What is the origin of the word "Heffernan"?
Anglicized form of Irish Ó hIfearnáin (“descendant of Ifearnán”), a personal name derived from a diminutive form of ifreannach (“demon”), from ifreann (“hell”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Heffernan", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list