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.
69% of everyone ever named Sulo was born in this single decade.
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 1927Peak year
Current rank
Active since
Sulo popularity over time
Annual U.S. births registered with the Social Security Administration · 1927–1911
- Peak year (1918)
- 30
- Annual births at peak — across 17 years of records
No longer in the modern top-1000 — last recorded 1927.
220 total births across 17 years of SSA records. Peaked in 1918 with 30 births in a single year.
Sulo by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 1910s
- 151 births that decade — 69% of Sulo's all-time total
Sulo decade highlights
- Peak decade 151 births
- Runner-up 69 births
- Decades tracked with recorded births
1910s was Sulo's strongest decade
151 babies received the name during that ten-year window — about 69% of all-time use.
Sulo by state
Where Sulo concentrates geographically — total births since 1911
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Michigan | | 39 | 17.7% |
| #2 | Minnesota | | 30 | 13.6% |
| #3 | Massachusetts | | 6 | 2.7% |
39 of 220 births nationwide. Compared to a flat distribution across 3 reporting states.
Top 5 states
- Michigan 17.7% of nationwide
- Minnesota 13.6% of nationwide
- Massachusetts 2.7% of nationwide
Recorded in 3 of 51 SSA jurisdictions
Michigan accounts for 17.7% of all recorded births nationwide — a relatively diffuse profile for this name.
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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.