Dillon

Meaning of Dillon

Loyal and faithful; like a lion

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

Popularity of Dillon

After ranking as high as #169 in 2000, Dillon has fallen out of the US top 1,000 as of 2025.

Notable people named Dillon

• Matt Dillon
  Actor, film and television
• Kevin Dillon
  Actor, television
• Dillon Brooks
  NBA basketball player
• Dillon Francis
  DJ and record producer
• Dillon Danis
  MMA fighter

More Irish names

Questions about the name Dillon

What does the name Dillon mean?

Dillon means loyal and faithful; like a lion, and it comes from Irish origins.

Is Dillon a boy's or a girl's name?

Dillon is most commonly used as a boy's name in the United States.

How popular is the name Dillon?

Dillon did not appear in the top 1,000 baby names in 2025, which makes it a genuinely uncommon pick.

When was Dillon most popular?

Dillon peaked at #169 in 2000.