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boyandgirlnames

Iseult

Girl name · Celtic · Welsh

US rank
Unranked
Syllables
2
Peak
#16,215 in 2016

0 babies were named Iseult in the US in 2025.

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US births per million girls, 2016–2025

01.5320162016

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Iseult you might not know, from US birth records. Handy for convincing a partner, or a grandparent.

  • HistoryIseult first shows up in US birth records in 2016, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
  • Best yearIts best year was 2016, when it reached #16,215.

About the name Iseult

Iseult is a girl name of Celtic and Welsh origin. It has 6 letters and 2 syllables, starting with I and ending in “-ult”. US birth records list Iseult for girls only in 2016, the one year at least 5 babies got it. Its best year was 2016, when it ranked #16,215 among girl names. It hasn't been given to 5 or more US babies in a year since 2016, so today it's a genuinely rare choice.

Origin:Celtic namesWelsh names

Iseult for girls, by decade
DecadeBabies per millionAbout 1 in
2010s2.8357,143 girls

More Celtic girl names

Questions about the name Iseult

What is the origin of the name Iseult?

Iseult has Celtic, Welsh roots in our records. Other Celtic names include Evelyn, Isla, Riley.

Is Iseult a boy or girl name?

Iseult is a girl name.

How popular is the name Iseult?

Iseult is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2016. It peaked at #16,215 in 2016.