Entry № 1409 · Welsh origin

Lleucu Lleucu — Meaning, Origin & Baby Name Popularity

/ LLAY-kee /

Gender

Girl

Origin

Welsh

Meaning

"Light (medieval Welsh)"

Syllables

Rank · US 2025

№ 0

First recorded

Medieval (Welsh)

The meaning

A name that means "light (medieval welsh)".

Lleucu is the medieval Welsh name from lleu (light) — feminine of Lleu, the Welsh sun god of The Mabinogion. Lleucu Llwyd was the 14th-c. beloved of poet Llywelyn Goch.

Used as a feminine name in modern Wales.

Light. The medieval Welsh beloved.

In its original form

The name in its native script.

Lleucu

Transliteration: Lleucu
Pronunciation: / ˈʎaɪ.ki /
Root: —
Grammatical form: —

Popularity

Where Lleucu stands.

Current rank · 2025

№ 0 in the U.S.

All-time peak

№ 0 in 0

Babies named Lleucu · last year

87 in the U.S.

First entered SSA top-1000

Rank, 1995–2025 Lower = more popular

Namesakes

Lleucus before her.

Real people

Lleucu Llwyd

Beloved of poet Llywelyn Goch.

14th c.

In fiction

Lleucu

Common in Welsh fiction.

Names connected to Lleucu.

Numerology

The number behind Lleucu.

The Communicator

Lleucu reduces to three — the number of Welsh light.

Parents on Lleucu

Why families chose this name.

"Welsh light. Six letters. Lleucu."

Megan · Mother of one · Cardiff