Glennon
BoyIrish (Gaelic)
Glennon is a boy name of Irish (Gaelic) origin meaning "little valley".
About this name
Gender
Boy
Language
Irish (Gaelic)
Religion
None
Popularity
2 / 100
Syllables
2
Length
7 letters
Meaning
little valley
Etymology
Derived from the Irish Gaelic word "gleann" meaning "valley" with the diminutive suffix "-án", originally a surname that later saw occasional use as a given name.
Frequently Asked Questions About Glennon
What does the name Glennon mean?
Glennon means "little valley", and is of Irish (Gaelic) origin.
What is the origin of the name Glennon?
Glennon originates from Irish (Gaelic), commonly used in Western Europe (Ireland).
Is Glennon a boy or girl name?
Glennon is typically used as a boy name.
What religion is the name Glennon associated with?
Glennon is associated with None.
Last updated: June 2026