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.

#23,083 of 45,481
all-time among boys
44
born since 1914
1910s
peak 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.

  • #23,083 of 45,481 all-time among boys
  • 44 born since 1914
  • 1910s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Niilo ranks #23,083 of 45,481 boys' names by all-time recorded births (highest first). 44 born since 1914, peaking in the 1910s.

#23,083 of 45,481
all-time among boys
44
born since 1914
1910s
peak decade
Below the archive median
All-time archive position

Niilo's 44 recorded births place it above 49.13% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

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 popularity over time

Annual U.S. births registered with the Social Security Administration · 1914–2021

Last recorded 2021
Peak year (1916)
7
Annual births at peak, across 108 years of records
4.555.566.577.5 1914191619171919201820192021 7

Niilo by decade

1910s is the heaviest window (25 births, 57% of the file).

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

births

What this shows Peak: 1910s at 25 births (57% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

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 archive ordinal is #23,083 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 2021. 7 babies were born in 1916, its single highest year.
Where does Niilo sit in the SSA name archive? ▼
According to the U.S. Social Security Administration, Niilo ranks #23,083 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
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.

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

Nii Boy
57 births
Niigaanii Boy
#13841 5 births

Compare Niilo side by side: Niilo vs Nii Niilo vs Niigaanii

Or pick any two names to compare →

Related Names

Names with a similar number of total births

Orba
44 births · Peak 1912
Jonie
44 births · Peak 1926
Bertice
44 births · Peak 1914
Moir
44 births · Peak 1924
Arpad
44 births · Peak 1919
Eppie
44 births · Peak 1950
Leburn
44 births · Peak 1919
Earlee
44 births · Peak 1924

Nationwide names with similar peak year or record span

Two nationwide peer axes for Niilo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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).

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 August 2026.