Emma vs Rex

Baby Name Comparison — 2026

Popularity Comparison

Emma Rank #2
Rex Rank #793

Emma is more popular, ranked #2 vs #793 for Rex.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Emma ___

  • Emma Rose
  • Emma Grace
  • Emma Jane
  • Emma Louise
  • Emma Kate
  • Emma Marie

Rex ___

  • Rex James
  • Rex Oliver
  • Rex Arthur
  • Rex Henry
  • Rex William
  • Rex Theodore

Sibling Name Ideas

Names that pair well as siblings.

If you choose Emma

Olivia Charlotte Liam Henry Sophia

If you choose Rex

Max Leo Augustus Vivienne Cordelia

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 Emma or Rex more popular?

Emma is more popular, ranked #2 compared to Rex at #793 in the United States.

What do Emma and Rex mean?

Emma means "strength" (Germanic origin). Rex means "king" (Latin origin).

Are Emma and Rex boy or girl names?

Emma is primarily a girl name. Rex is primarily a boy name.

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← Full profile: Emma ← Full profile: Rex Browse all baby names