Total births
44
Boys' name · since 1914
Niilo
Since 1914, U.S. Social Security records show 44 babies named Niilo, peaking in 1916. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 44
- total births
- 1914–2021
- years on record
- 1910s
- peak decade
- 57%
- born in that decade
Niilo sits outside today's top ranks for boys, with 44 recorded since 1914.
Social Security Administration records show Niilo recorded 44 times among boys since 1914, though it doesn't currently rank among the most-used boys names, peaking in the 1910s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1914 to 2021.
- 44 total births
- 1914–2021 years on record
- 1910s peak decade
- 57% born in that decade
Data updated Jun 2026
The verdict
44 boys have been named Niilo since 1914, peaking in the 1910s, last recorded in 2021.
- 44
- total births
- 1914–2021
- years on record
- 1910s
- peak decade
- 57%
- born in that decade
1910s
Peak decade
57% of everyone ever named Niilo was born in this single decade.
1916
Single peak year
7 babies were named Niilo in 1916 - its busiest year on record.
Niilo's usage pattern, beyond the headline number
Niilo splits its recorded history at 1919: 55% of all births land in the more recent half, 45% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1919 (5 births) -- compare that against the 1916 peak of 7 for a sense of just how much the name's popularity has swung.
Niilo at a glance
Last recorded 2021Peak year
1916
Current rank
Unranked
Active since
1914
Niilo popularity over time
Annual U.S. births registered with the Social Security Administration · 1914–2021
- Peak year (1916)
- 7
- Annual births at peak, across 108 years of records
Niilo by decade
Total births in each ten-year window, peak vs trough at a glance
1910s was Niilo's strongest decade.
25 babies received the name during that ten-year window, about 57% of all-time use.
Niilo births by decade
Total births in each ten-year window
- 1910s
1910s
25 births
- 2010s
2010s
12 births
- 2020s 7
2020s
7 births
What this shows Peak: 1910s at 25 births (57% of all-time use).
Frequently Asked Questions
How popular is the name Niilo? ▼
Niilo has been given to 44 babies in the U.S. since 1914, according to SSA data. Its last appearance in the data was 2021. 7 babies were born in 1916, its single highest year.
When was Niilo most popular? ▼
Niilo was most popular in the 1910s decade with 25 total births. The single peak year was 1916.
How long has the name Niilo been used? ▼
Records for Niilo go back to 1914, giving 108 years of history through 2021.
What names are similar to Niilo? ▼
Names with a similar sound or spelling include Nii, Niigaanii. These share a common prefix and are also used for boys.
What to do with Niilo's data
- Niilo's decade-level peak was the 1910s (25 total births); usage has since declined to 7 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 Niilo
Nearby Names Like Niilo
Names with a similar sound, spelling, or feel to Niilo
Compare Niilo side by side: Niilo vs Nii Niilo vs Niigaanii
Related Names
Names with a similar number of total births
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, 1914–2021 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Niilo: Baby Name Since 1914 - 44 Births, Peak 1916." NameAlmanac. Accessed via https://namealmanac.com/name/niilo. 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 Niilo 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.