Siobhan vs Theadora

Baby Name Comparison — 2026

Siobhan

Girl #1,931 Most Popular 2 Syllables

Meaning

"God is gracious"

Origin: Hebrew

Cultural Roots

Irish Scottish English

Quick Stats

Popularity Rank
#1,931
Total SSA Count
103
Syllables
2
Formality
Moderate
Nicknames
Shiv, Von, Vonnie

Playground Safety Score

✓ All Clear
Full profile for Siobhan →

Popularity Comparison

Siobhan Rank #1,931
Theadora Rank #1,879

Theadora is more popular, ranked #1879 vs #1931 for Siobhan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Siobhan ___

  • Siobhan Rose
  • Siobhan Mary
  • Siobhan Grace
  • Siobhan Fiona
  • Siobhan Claire
  • Siobhan Brigid

Theadora ___

  • Theadora Rose
  • Theadora Jane
  • Theadora Mae
  • Theadora Claire
  • Theadora Louise
  • Theadora Grace

Sibling Name Ideas

Names that pair well as siblings.

If you choose Siobhan

Aoife Niamh Cormac Declan Saoirse

If you choose Theadora

Sebastian Evelyn Caspian Isadora Felix

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 Siobhan or Theadora more popular?

Theadora is more popular, ranked #1879 compared to Siobhan at #1931 in the United States.

What do Siobhan and Theadora mean?

Siobhan means "God is gracious" (Hebrew origin). Theadora means "gift of God" (Greek origin).

Are Siobhan and Theadora boy or girl names?

Siobhan is primarily a girl name. Theadora is primarily a girl name.

More Comparisons

Theadora vs Siobhan Siobhan vs Shai Siobhan vs Melinda Siobhan vs Mirha Siobhan vs Saraya
← Full profile: Siobhan ← Full profile: Theadora Browse all baby names