Lock

enclosure, land hold — Associated with locations or estates held
English origin · Boy name
97% boys3% girls
#13151US 2025
5Births / yr
Falling
21All-time births
📅 Since 191500

What does Lock mean and where does it come from?

Lock is derived from Old English origins, where it referred to a 'lock' or 'enclosure.' It has been used as both a given name and surname. As a first name, Lock is quite rare and more commonly found as a surname. It has been noted in historical texts, often associated with locations or estates held

Cultural significance
Lock has been a cherished name across cultures, particularly in English-speaking communities, where it reflects values of enclosure, land hold.
Peak popularity
Reached #3768 in 1915 — currently #13151 in the US.
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Related Reading
English-origin baby names with timeless appeal
Browse names →

How else can you spell Lock?

Same sound, different look — useful if you want something slightly more distinctive

What middle names flow best with Lock?

Lock works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Lock John
One syllable · timeless choice
Lock Miles
One syllable · vintage charm
Lock Beau
One syllable · on the rise
Lock Brooks
One syllable · timeless choice
Lock Gael
One syllable · timeless choice
Lock Kai
One syllable · vintage charm
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Middle Names
The best middle names for Lock
Browse ideas →

How popular is Lock right now?

Falling — down 11430 spots — currently #13151 in the US out of 135.5k tracked names

US Trend 19152025#13151 · Top 9.7%
1915
2021
2022
2023
2025
YearUS RankBirthsvs Prior Year
2025#131515▼ down 11430 · -99% births
2023#1721479▲ up 5 · +4% births
2022#1726459▲ up 5 · +7% births
2021#1731429▲ up 2037 · +7050% births
1915#37686

The story of Lock

Lock entered American naming records in 1915 and has been in use for over 109 years. With 16 total births recorded, Lock remains relatively uncommon. The name has grown more popular over time, rising from #3768 in 1915 to #1721 in 2023.

Names that peaked alongside Lock in 1915:

Lock by decade

Lock peaked in the 1910s. See all 1910s names →

DecadeBirths
1910s11
1920s5
2020s5
💎Lock has only 16 total recorded births since 1915 — rarer than 99% of names in our database.

What are good nicknames for Lock?

Common
Lo

Common questions about the name Lock

What does the name Lock mean?
Lock means "enclosure, land hold" — a name rooted in English tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Lock?
Lock is currently a distinctive and less common name as a boy name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Lock?
Lock originates from English tradition. English names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How does Lock sound with different last names?
As a one-syllable name, Lock flows best with last names of two or three syllables. Avoid last names ending in the same sound as Lock ends, as this can create an unwanted rhyme. Test by saying the full name out loud several times.
Is Lock a common or rare name?
Lock is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.