Praenomprænom
MCeltic, Welshbold

to shine

Dai is a masculine name of Celtic, Welsh origin meaning to shine. Dai is associated with a bold aesthetic.

Last reviewed · 2026-05-18

Chapter 01 / 05

What does Dai mean?

Dai means to shine and comes from Celtic, Welsh origin.

hining brightly, Dai captures the essence of radiance with its one-syllable punch. Rooted in old Celtic, this name evokes a contemporary feel while also being a playful Welsh diminutive of David.

Chapter 02 / 05

How does Dai sound?

Chapter 03 / 05

How popular is Dai?

In 2026, Dai sits outside the U.S. SSA top-1000 chart, with 145 years of historical data on record.

Chapter 04 / 05

What names are similar to Dai?

Chapter 05 / 05

About the name Dai

What does the name Dai mean?
Dai means to shine and comes from Celtic, Welsh origin.
Where does the name Dai come from?
Dai traces to a Celtic, Welsh origin and continues to appear in U.S. SSA records.
How popular is the name Dai?
Dai currently sits outside the U.S. SSA top-1000 chart in 2026.
Is Dai a boy or girl name?
Dai is most commonly used as a masculine name.

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