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Irish Names that Start With L

Updated October 2026

Names22

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Total Names22

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About this list

There are 22 Irish names that start with the letter L for boys and girls, including Liam, Lennon, Lennon, Luan, Lochlann, Larkin, Larkin, Lucan, Lorcan, Lochlainn, Leyden, Labhras, Laoise, Laydon, Lannan, Luisne, Leary, Laughlin, Loman, and Lonan.

The names

Showing 1–20 of 22

Liam
Irish short form of William
"resolute protection"
Liam is the top boys' name in the US, holding the Number One spot for the past eight years and also ranking as one of the most popular boys' names around the western world. Liam originated as a short…
Lennon
Irish
"lover"
A growing number of high-profile (and other) parents are choosing to honor their musical idols, such as Hendrix, Presley, Jagger, and now Lennon, an Irish name for girls as well as boys with a…
Lennon
Irish
"lover"
A growing number of high-profile (and other) parents are choosing to honor their musical idols, such as Hendrix, Presley, Jagger, and now Lennon. Lennon first came to notice when Liam Gallagher and…
Luan
Portuguese, Albanian, Vietnamese, Irish, French
"moon; lion; ethics; warrior; light"
Luan is a handsome, unusual boy's name with surprisingly diverse origins. It's a rare Portuguese name meaning "moon", an Albanian name meaning "lion", a Vietnamese name meaning "justice; ethics", and…
Lochlann
Lochlann is a masculine name of Gaelic origin with deep roots in Irish and Scottish history. Traditionally, it referred to Scandinavia or Norway, literally meaning "land of the lochs" or "land of…
Larkin
Irish
"rough, fierce"
The additional syllable makes Lark a masculine surname name, borne by poet Philip Larkin.
Larkin
Irish
"rough, fierce"
While Larkin takes this name from bird to surname, there are actually more female Larkins these days than male, and it's a name that works as well for either gender. It has the literary connection to…
Lucan
Irish variation of Luke
Lucan is a rarely heard Irish name, a Luke form with the trendy an ending.
Lorcan
Irish
"little, fierce"
Lorcan is a name rich in Irish history as belonging to several kings, including the grandfather of the most famous high king of Ireland, Brian Boru. Lorcan O'Toole, known in English as Laurence…
Lochlainn
Irish
"land of the Vikings"
Conjures up pleasant images of lakes, but the pronunciation challenge makes the Anglicized Loughlin preferable.
Leyden
English from Irish
"son of O'Loideain"
Leyden and its big brother Layden are both used quietly in the US. Leyden was given to five baby boys last year, while Layden was used for about 20. Both names are more commonly found as surnames and…
Labhras
Labhras is a traditional Irish masculine name pronounced roughly as 'LOW-russ' or 'LAW-rass.' It is the Irish Gaelic form of Lawrence, which derives from the Latin 'Laurentius,' meaning 'from…
Laoise
Irish
"light"
Pronounced lee-sha, Laoise is the feminine form of the Irish mythological names Lugh and Lugus, which means light. Lugus was the Celtic god of commerce and craftsmanship, the equivalent of the Roman…
Laydon
English from Irish
"son of O'Loideain"
Layden and its little brother Leyden are both used quietly in the US. Layden was given to about 20 baby boys last year, while Leyden was used for five. Both names are more commonly found as surnames…
Lannan
Irish
"lover"
Often considered a variation of the (now popular) Lennon, Lannan is an Irish name, derived from Leannán meaning "lover" or "paramour", though other sources suggest it combines lann with a diminutive…
Luisne
Irish
"first light, glow"
An Old Gaelic word used poetically to mean "the first light after dawn", more literally, Luisne means "glow". Pronounced LOOSH-nuh or LUUSH-nuh (LUUSH- to rhyme with push, LOOSH- like loose with a sh…
Leary
Irish, Anglicization of Laoghaire
"herder"
We'd be leery of this one.
Laughlin
Irish
"dweller at the fjord-land"
First used for Norse invaders, this name, along with the similar Lachlan, is an attractive, worldly, and unusual choice — despite connections to the Nevada gambling resort.
Loman
Irish or Serbo-Croatian
"small bare one or delicate"
Loman is one of those rare names that is at once simple and very unusual, with fewer than five baby boys given the name in the US in the most recent year. But Loman does carry a few less-than-optimal…
Lonan
Manx, Irish
"little blackbird"
Typically spelled as Lonán in Ireland, Lonan is its Manx form, though it could also be considered the anglicized form too. The name comes from the Irish lon meaning "blackbird", paired with a…

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