Islay vs Theo

Baby Name Comparison — 2026

Islay

Girl #4,471 Most Popular 2 Syllables

Meaning

"island (Scottish Hebridean island name)"

Origin: Old Norse

Cultural Roots

Scottish British American

Quick Stats

Popularity Rank
#4,471
Total SSA Count
31
Syllables
2
Formality
Moderate
Nicknames
Isla, Issy, Lay

Playground Safety Score

✓ All Clear
Full profile for Islay →

Theo

Boy #80 Most Popular 2 Syllables

Meaning

"gift of God"

Origin: Greek (theodoros)

Cultural Roots

English Greek French German American

Quick Stats

Popularity Rank
#80
Total SSA Count
4,110
Syllables
2
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Theo →

Popularity Comparison

Islay Rank #4,471
Theo Rank #80

Theo is more popular, ranked #80 vs #4471 for Islay.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Islay ___

  • Islay Rose
  • Islay Jean
  • Islay Mae
  • Islay Grace
  • Islay Kate
  • Islay Fern

Theo ___

  • Theo James
  • Theo William
  • Theo Alexander
  • Theo Samuel
  • Theo Felix
  • Theo August

Sibling Name Ideas

Names that pair well as siblings.

If you choose Islay

Isla Skye Fiona Morag Ailsa

If you choose Theo

Oliver Felix Eleanor Beatrice Arthur

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 Islay or Theo more popular?

Theo is more popular, ranked #80 compared to Islay at #4471 in the United States.

What do Islay and Theo mean?

Islay means "island (Scottish Hebridean island name)" (Old Norse origin). Theo means "gift of God" (Greek (theodoros) origin).

Are Islay and Theo boy or girl names?

Islay is primarily a girl name. Theo is primarily a boy name.

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← Full profile: Islay ← Full profile: Theo Browse all baby names