last name

noun

"last-name" is a 8-letter English headword indexed on PlainSpell.

The verdict

“last name” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of surname, a person's family name.

Corpus desk

Index EN-last-name · last name · English

last name · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "L" thin
  • PHOTO-UNK Peer pending

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.

Key facts for last name
PropertyValue
Headwordlast name
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “last name” in English

last namefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

last name is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for last name, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Wiktionary doesn't record an etymology for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is last name, spelled L-A-S-T- -N-A-M-E.

Definition

  1. 1
    Synonym of surname, a person's family name.
  2. 2
    The last element of a full name, particularly when it could also be given name in East Asian and other cultural traditions.

Recorded use

Wiktionary example

These source excerpts show how last name appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. In a structure typical for East Asia cultures, last names are usually used as given names. It usually differentiates that person from the other members of a group (typically a family or clan) who have a common family name

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "last name"?
"last name" is spelled L-A-S-T- -N-A-M-E.
What does "last name" mean?
As a noun, "last name" means: Synonym of surname, a person's family name.
What language does "last name" come from?
"last name" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

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

Source: FrequencyWords open word-frequency list