Thienan

#13,689 in 2025UnisexBoys' nameGirls' name

Meaning not yet documented

Thienan has been given to 95 babies in the U.S. since 2000. In 2025 it ranked #13,689 of 13,926 boys’ names in use. Its peak year was 2009, with 8 recorded. It's used for both sexes: 69% boys, 31% girls all-time.

Babies named Thienan, 2025

1 in 663,000

Thienan over time, 1880–2025

BoysGirls
0246818801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Thienan over time

In 2025, Thienan went to 0% girls and 100% boys.

20002025

A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.

How common is Thienan?

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

Among all babies, 2025
1 in 663,000
5 of 3,315,165 births
Among boys only
1 in 342,000
<0.01% of boys
Rank, 2025
#13,689
of 13,926 boys’ names in use
Coin-flip room size
459,581 kids
Even odds of a second one

Where Thienan 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 459,581 children born in 2025 and it's an even bet that one of them is another Thienan. In a class of 30 the chance is Under 1%.

When Thienans were born

Half of everyone ever recorded as Thienan was born before 2010 — so the typical Thienan is around 15 today.

Median birth year
2010
About 15 years old
Biggest decade
2000s
47.0% of all use
Born in the last 25 years
92.4%
A modern name
Recorded since 1950
66
People you could plausibly meet
Choose a decade

2000s — 47.0% of all recorded uses (31).

Is Thienan 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
—
Not ranked then
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
62.5%
Peak was 2009 (8)
Years since peak
16
Years
Year-to-year steadiness
Volatile
33.9% average annual change
Best rank ever
#9,763
2009

Spellings of Thienan

Thienan is not the most common spelling — Tiernan is, with 56.9% against Thienan's 2.5%.

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.

Thienan around the world

Where Thienan 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.

  • South Australia
    1990–1999
    #539
    in 1999

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Thienan by the numbers

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

As a boy's name

Rank in 2025
#13,689
Trend vs 5 yrs ago
New entry
Best rank ever
#9,763
2009
Peak year
2009
8 that year
First recorded
2000
Last recorded
2025
All-time count
66
Count in 2025
5

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#12,971
2014
Peak year
2006
8 that year
First recorded
2002
Last recorded
2014
All-time count
29
Count in 2025
Under 5

Names similar to Thienan

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

Sibling names for Thienan

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 Thienan