Olivia vs Regan

Baby Name Comparison — 2026

Popularity Comparison

Olivia Rank #1
Regan Rank #2,346

Olivia is more popular, ranked #1 vs #2346 for Regan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Olivia ___

  • Olivia Rose
  • Olivia Grace
  • Olivia Jane
  • Olivia Mae
  • Olivia Claire
  • Olivia Jade

Regan ___

  • Regan Grace
  • Regan Claire
  • Regan Marie
  • Regan Jane
  • Regan Elizabeth
  • Regan Rose

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Regan

Declan Fiona Connell Maeve Cian

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Olivia or Regan more popular?

Olivia is more popular, ranked #1 compared to Regan at #2346 in the United States.

What do Olivia and Regan mean?

Olivia means "olive tree" (Latin origin). Regan means "little king, royal one" (Irish Gaelic origin).

Are Olivia and Regan boy or girl names?

Olivia is primarily a girl name. Regan is primarily a girl name.

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← Full profile: Olivia ← Full profile: Regan Browse all baby names