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Senan

#7,114 in 2025Boys' name

Form of Senán

Senan has been given to 142 babies in the U.S. since 2001. In 2025 it ranked #7,114 of 13,926 boys’ names in use. Its peak year was 2018, with 12 recorded.

Babies named Senan, 2025

1 in 276,000

Senan over time, 1880–2025

Boys
05101518801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Senan: meaning, origin, and history

Form of Senán

Deeper origin not confirmed in the cited records

What Senan means

Senan is a form of Senán.

Origin, language, and formation

Senan is used in Breton.

Related names and everyday forms

Related names include Senán and Sezni.

American usage and historical context

In the United States, 142 boys were recorded with the name Senan between 2001 and 2025. Its highest annual count was 12 in 2018; its best national rank was #7,049 in 2018.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Senan?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 276,000
12 of 3,315,165 births
Among boys only
1 in 142,000
<0.01% of boys
Rank, 2025
#7,114
of 13,926 boys’ names in use
Coin-flip room size
191,493 kids
Even odds of a second one

Where Senan sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 191,493 children born in 2025 and it's an even bet that one of them is another Senan. In a class of 30 the chance is Under 1%.

When Senans were born

Half of everyone ever recorded as Senan was born before 2017 — so the typical Senan is around 8 today.

Median birth year
2017
About 8 years old
Biggest decade
2010s
52.1% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
142
People you could plausibly meet
Choose a decade

2010s — 52.1% of all recorded uses (74).

Is Senan rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
+3,632
Places climbed
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
100.0%
Peak was 2018 (12)
Years since peak
7
Years
Year-to-year steadiness
Volatile
26.2% average annual change
Best rank ever
#7,049
2018

Spellings of Senan

Senan is not the most common spelling — Sean is, with 37.6% against Senan's 0.01%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Senan around the world

Where Senan ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1997–2025
    #1,226
    in 2025
  • Scotland
    2013–2013
    #687
    in 2013
  • Northern Ireland
    2003–2025
    #75
    in 2025
  • Ireland
    1964–2025
    #38
    in 2025
  • France
    2014–2014
    #6,047
    in 2014
  • Canada
    2017–2024
    #2,550
    in 2024
  • South Australia
    2004–2013
    #754
    in 2013

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Senan by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#7,114
Trend vs 5 yrs ago
New entry
Best rank ever
#7,049
2018
Peak year
2018
12 that year
First recorded
2001
Last recorded
2025
All-time count
142
Count in 2025
12

Names similar to Senan

Matched on shared beginnings and endings, similar length, and comparable popularity.

SenaySennaSenderSenaKonanHananSenaiAfnanJonanCananSenonSenseiKaenanFinanKinanRenanKeinanChananSinanRhonanAnanSengRohnanKaynan

Sibling names for Senan

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Senan

Top names of 2018, Senan's peak yearThe 2010s in fullOther names that peaked in 2018Boys' names starting with SBreton Boy NamesBreton Names