Boy Name · English Origin
Eustace
Last reviewed: June 2026
Eustace is a boy baby name of English origin, meaning "Radiant light". It currently sits in the Rare tier of US baby names for 2026, and parents who love Eustace often also consider Estes.
Names like Eustace
Frequently asked about Eustace
What does the name Eustace mean?
Eustace means "Radiant light" and is of English origin.
What is the origin of Eustace?
Eustace originates in English naming tradition.
How do you pronounce Eustace?
Eustace has 7 letters and is most commonly stressed on the first syllable.
Is Eustace a boy's or girl's name?
Eustace is primarily used as a boy's name in US records.
How popular is Eustace in 2026?
In our 2026 popularity tracker, Eustace sits in the Rare tier — an uncommon, standout choice.
What names are similar to Eustace?
Names that share Eustace's sound and style include Estes, Essence, Easton, Esteban, Estevan.