Jillian vs Olivia

Baby Name Comparison — 2026

Popularity Comparison

Jillian Rank #1,133
Olivia Rank #1

Olivia is more popular, ranked #1 vs #1133 for Jillian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Jillian ___

  • Jillian Marie
  • Jillian Ann
  • Jillian Rose
  • Jillian Grace
  • Jillian Elizabeth
  • Jillian Claire

Olivia ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Jillian

Jennifer Michelle Melissa Kevin Brian

If you choose Olivia

Liam Noah Charlotte Emma Sophia

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 Jillian or Olivia more popular?

Olivia is more popular, ranked #1 compared to Jillian at #1133 in the United States.

What do Jillian and Olivia mean?

Jillian means "youthful" (Latin origin). Olivia means "olive tree" (Latin origin).

Are Jillian and Olivia boy or girl names?

Jillian is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

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