What Does the Name Lennon Mean?
Lennon is a unisex name of Irish (Anglicized surname) origin meaning “"Descendant of Leannán" (leannán "lover, sweetheart").”
Updated June 2026
| Name | Lennon |
|---|---|
| Gender | unisex |
| Origin | Irish (Anglicized surname) |
| Meaning | "Descendant of Leannán" (leannán "lover, sweetheart") |
| Variants | Lennan, Lenon, Lennen |
| Popularity | A recent surname-name used for both sexes; in the US it currently skews slightly female, but it is broadly unisex. |
The meaning and origin of Lennon
The name Lennon means “"Descendant of Leannán" (leannán "lover, sweetheart")” and has Irish (Anglicized surname) origins. An Anglicized Irish surname (Ó Leannáin), from leannán meaning "lover" or "sweetheart." Its modern given-name use is largely inspired by musician John Lennon.
Variants and related names
Lennon is related to several other names you may recognize: Lennan, Lenon, Lennen. These share a common root or are spelling and language variants of the same name.
How popular is the name Lennon?
A recent surname-name used for both sexes; in the US it currently skews slightly female, but it is broadly unisex.
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Open the name generator →Frequently asked questions
What does the name Lennon mean?+
The name Lennon means “"Descendant of Leannán" (leannán "lover, sweetheart")” and is of Irish (Anglicized surname) origin.
What is the origin of the name Lennon?+
Lennon originates from Irish (Anglicized surname).
Is Lennon a popular name?+
Yes — see the popularity note above for how Lennon has trended in the US over time.
Lennon by gender
More unisex names
Sources
- Behind the Name — Etymology and history of first names — Behind the Name
- US Social Security Administration — Popular baby names by year — Social Security Administration
- A Dictionary of First Names — Oxford Reference — Oxford University Press