NamesPop

Siobhain

A girl's name of Irish origin with 22 recorded U.S. births.

Girl's nameRare nameNot ranked recently

Meaning & Origin

Among U.S. girl's names, Siobhain is not in the current national top 1,000. In fact, it is among the rarest names in the SSA dataset — a choice that signals bold individuality.

With records spanning 1970 to 1994, Siobhain has a focused history that reflects a particular moment in naming culture rather than a centuries-old tradition.

Siobhain is not in the current top 1,000 girl names nationally, making it an uncommon choice — though your state or community may differ.

Siobhain is a girl's baby name, an Irish Gaelic variant spelling of Siobhán (pronounced "Shih-VAWN"), the Irish form of Joan, itself from Hebrew meaning 'God is gracious.' The Gaelic spelling reflects the original Irish orthographic tradition, where bh is pronounced as a v sound.

Siobhán and its variants are among the most distinctive Irish names — beautiful in their traditional spelling but famously puzzling to non-Irish eyes. Siobhain is a common alternative spelling that preserves the Irish character while being slightly more approachable.

EtymologyShow more

Names travel. They cross oceans, change spelling, shift pronunciation, and accumulate new associations with each culture that adopts them. Siobhain is rooted in the Irish tradition, but its presence in American naming since 1970 means it has been shaped by English phonetics, local customs, and the cultural context of the families who chose it.

Siobhain’s rarity (22 recorded births) may indicate it is strongly tied to a specific cultural community or family tradition, rather than part of the broader American naming mainstream.

At a Glance

Unranked
Current Rank
22
Total births
Since 1970
1990
Peak year
6 births
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Popularity Over Time

Siobhain has 4+ years of history in the U.S., first appearing in 1970.

0235619801994
First appeared: 1970Peak: 1990 (6 births)

Popularity by Decade

Decade-by-decade popularity data for Siobhain
DecadeBirthsTrend
1990s17
1970s5

The Story of Siobhain

A Millennial name

Peaking in 1990, Siobhain is a Millennial-era classic. Girls named Siobhain are most likely born between 1980 and 1994.

How rare is Siobhain?

With fewer than 500 recorded births, Siobhain is an exceptionally rare name — a one-of-a-kind choice.

The journey through the decades

First appeared in the records in 1970, peaked in the 1990s with 17 births that decade.

Year-by-Year Data

View complete yearly data(4 years, 19701994)
Year-by-year popularity data for the name Siobhain
YearBirthsRank
19946#13211
19915#15107
19906#12738
19705#9133

Source: U.S. Social Security Administration. Showing years with 5+ recorded births.

Frequently Asked Questions

Is Siobhain a boy's or girl's name?
Siobhain is primarily a girl's name.
When was Siobhain most popular?
Siobhain reached its peak popularity in 1990 with 6 births that year. It is not currently in the top rankings.
How popular is the name Siobhain?
Siobhain is not currently in the top rankings but has been given to 22 babies in the U.S. since 1970. Its peak was in 1990.

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Data source: U.S. Social Security Administration, 19701994