Total births
64
Girls' name · since 2009
Trillium
Trillium has 64 recorded births since 2009 in federal Social Security data, most heavily in 2013 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #13041
- among girls today
- 64
- born since 2009
- 2010s
- peak decade
- 26%
- more common than other girls
Yes -- Trillium is the #13041 most popular girls' name in the U.S. today, with 64 recorded since 2009.
Social Security Administration records show Trillium recorded 64 times among girls since 2009, holding rank #13041 nationally today, ahead of 26% of girls, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 2009 to 2024.
- #13041 among girls today
- 64 born since 2009
- 2010s peak decade
- 26% more common than other girls
Data updated Jun 2026
The verdict
Trillium is currently the #13041 girls' name in America, more common than 26% of girls - 64 born since 2009, peaking in the 2010s.
- #13041
- among girls today
- 64
- born since 2009
- 2010s
- peak decade
- 26%
- more common than other girls
Trillium vs. every other girls name in current SSA rankings
#13041
of 17,726 girls in use
More common than 26% of names given to girls today.
2010s
Peak decade
70% of everyone ever named Trillium was born in this single decade.
2013
Single peak year
11 babies were named Trillium in 2013 - its busiest year on record.
How Trillium compares
64 18th percentile among 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Trillium's all-time total is 83% below the median girls name, and Olivia still leads by a wide margin.
| Metric | Trillium | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 64 | 382 | 567,345 |
| Peak-year births | 11 | 48 | 19,840 |
Trillium's usage pattern, beyond the headline number
Divide Trillium's SSA record in two at 2015 and the more recent half accounts for 47% of all births, the earlier half the remaining 53%, a genuinely balanced usage pattern. Its calmest year was 2009, with only 5 births recorded -- set against the 2013 peak of 11, that's the full swing in one name's fortunes.
Trillium at a glance
Outside the top 1,000Peak year
2013
Current rank
#13,041
Active since
2009
Trillium popularity over time
Annual U.S. births registered with the Social Security Administration · 2009–2024
- Peak year (2013)
- 11
- Annual births at peak, across 16 years of records
Trillium by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Trillium's strongest decade.
45 babies received the name during that ten-year window, about 70% of all-time use.
Trillium births by decade
Total births in each ten-year window
- 2000s 5
2000s
5 births
- 2010s
2010s
45 births
- 2020s 14
2020s
14 births
What this shows Peak: 2010s at 45 births (70% of all-time use).
Frequently Asked Questions
How popular is the name Trillium? ▼
Since 2009, Social Security records show 64 babies named Trillium. Today it holds rank #13041 among girls. Its busiest year on record was 2013, with 11 births.
When was Trillium most popular? ▼
Trillium was most popular in the 2010s decade with 45 total births. The single peak year was 2013.
How long has the name Trillium been used? ▼
Records for Trillium go back to 2009, giving 16 years of history through 2024.
What names are similar to Trillium? ▼
Names with a similar sound or spelling include Trinity, Trisha, Tricia, Trina, and 4 more. These share a common prefix and are also used for girls.
What to do with Trillium's data
- Trillium's decade-level peak was the 2010s (45 total births); usage has since declined to 14 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Trillium
Nearby Names Like Trillium
Names with a similar sound, spelling, or feel to Trillium
Trinity Girl
#400 85,348 births
Trisha Girl
#2826 40,302 births
Tricia Girl
40,134 births
Trina Girl
#7274 32,568 births
Trista Girl
#12381 12,459 births
Compare Trillium side by side: Trillium vs Trinity Trillium vs Trisha Trillium vs Tricia
Related Names
Names with a similar popularity rank to Trillium
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2009–2024 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Trillium: #13041 Girls' Name - 64 Births, Peak 2013." NameAlmanac. Accessed via https://namealmanac.com/name/trillium. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Trillium draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.