Recorded 1911–1927 Boys' name Peak 1918 220 births

Sulo — boys' name

220 babies named Sulo in U.S. Social Security records since 1911, with the highest year being 1918. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s1511920s69
1910s
Peak decade

69% of everyone ever named Sulo was born in this single decade.

1918
Single peak year

30 babies were named Sulo in 1918 — its busiest year on record.

What the Data Says About Sulo

The Social Security Administration has registered 220 babies named Sulo between 1911 and 1927, spanning 17 consecutive years of U.S. birth records. As a boy's name, Sulo currently falls outside the top 1,000 boys' names for 1927. The name reached its historical peak in 1918, when 30 babies received it in a single year.

Decade-level aggregation shows that Sulo performed strongest in the 1910s, accumulating 151 births during that ten-year window. Across the 2 decades of recorded activity, Sulo shows notable generational variation in parental adoption. Geographically, the name is most concentrated in Michigan, which accounts for 39 births — the largest state-level total in the dataset — followed by Minnesota and Massachusetts. In total, SSA state-level files list Sulo in 3 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sulo in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 220 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Sulo at a glance

Last recorded 1927

Total births

220

Since 1911

17 years of records

Peak year

1918

30 births that year

Strongest decade: 1910s

Current rank

Unranked

Outside the modern top-1,000

As of 1927

Active since

1911

Recorded for 17 years

Last year on file: 1927

Sulo popularity over time

Annual U.S. births registered with the Social Security Administration · 1927–1911

Last recorded 1927
Peak year (1918)
30
Annual births at peak — across 17 years of records
010203040 1927192419211918191519121911 7

Sulo by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1910s
Peak decade
1910s
151 births that decade — 69% of Sulo's all-time total
1910s1511920s69

Sulo by state

Where Sulo concentrates geographically — total births since 1911

Geographically diffuse
Top 3 states by recorded births for the name Sulo
Rank State Visual share Births Share of total
#1 Michigan
39 17.7%
#2 Minnesota
30 13.6%
#3 Massachusetts
6 2.7%
Michigan share of Sulo's total US births 17.7%
Even split

39 of 220 births nationwide. Compared to a flat distribution across 3 reporting states.

Frequently Asked Questions

How popular is the name Sulo?
220 babies have been named Sulo since 1911. It was last recorded in 1927. The peak year was 1918 with 30 births.
When was Sulo most popular?
Sulo was most popular in the 1910s decade with 151 total births. The single peak year was 1918.
Where is Sulo most popular?
The top states for the name Sulo are Michigan (39 births), Minnesota (30 births), Massachusetts (6 births).
How long has the name Sulo been used?
Sulo has been recorded in Social Security data since 1911, spanning 17 years of data through 1927.
What names are similar to Sulo?
Names with a similar sound or spelling include Sullivan, Sultan, Sulaiman, Suleiman, and 4 more. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1911–1927 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.