Cassian vs Keylianis

Baby Name Comparison — 2026

Cassian

Boy #617 Most Popular 3 Syllables

Meaning

"of the Cassian family (Roman gens)"

Origin: Latin

Cultural Roots

English American European

Quick Stats

Popularity Rank
#617
Total SSA Count
462
Syllables
3
Formality
Moderate
Nicknames
Cass, Cas

Playground Safety Score

✓ All Clear
Full profile for Cassian →

Popularity Comparison

Cassian Rank #617
Keylianis Rank #11,898

Cassian is more popular, ranked #617 vs #11898 for Keylianis.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cassian ___

  • Cassian James
  • Cassian Alexander
  • Cassian Oliver
  • Cassian Alaric
  • Cassian Frederick
  • Cassian Julian

Keylianis ___

  • Keylianis Rose
  • Keylianis Marie
  • Keylianis Sofia
  • Keylianis Valentina
  • Keylianis Isabelle

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cassian

Sebastian Dorian Vivienne Isolde Adrian

If you choose Keylianis

Yamilet Zaniyah Daylani Keanu Eliseo

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 Cassian or Keylianis more popular?

Cassian is more popular, ranked #617 compared to Keylianis at #11898 in the United States.

What do Cassian and Keylianis mean?

Cassian means "of the Cassian family (Roman gens)" (Latin origin). Keylianis means "heavenly flower of the sea" (Modern American origin).

Are Cassian and Keylianis boy or girl names?

Cassian is primarily a boy name. Keylianis is primarily a girl name.

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← Full profile: Cassian ← Full profile: Keylianis Browse all baby names