Dillion

Boy

Irish origin

1000+
Rank in 2025
Change vs 2024
#997(2000)
Peak popularity
Declining
Trend

Meaning of Dillion

Dillion means "loyal" or "faithful." It can also be associated with "lion."

Dillion has Irish roots — browse every Irish baby name in our catalog.

Popularity of Dillion

After ranking as high as #997 in 2000, Dillion has fallen out of the US top 1,000 as of 2025.

Notable people named Dillion

  • Matt Dillon
    Actor, known for "Crash"
  • Kevin Dillon
    Actor, "Entourage"
  • Dillon Brooks
    NBA basketball player
  • Dillon Francis
    Electronic music producer, DJ
  • Dillon Freasier
    Actor, "There Will Be Blood"

More Irish names

Questions about the name Dillion

What does the name Dillion mean?
Dillion means dillion means "loyal" or "faithful." it can also be associated with "lion.", and it comes from Irish origins.
Is Dillion a boy's or a girl's name?
Dillion is most commonly used as a boy's name in the United States.
How popular is the name Dillion?
Dillion did not appear in the top 1,000 baby names in 2025, which makes it a genuinely uncommon pick.
When was Dillion most popular?
Dillion peaked at #997 in 2000.

Love the name Dillion?

Swipe through 3,400+ curated names and match with your partner on the ones you both love.

Start swiping free