Sulo
Sulo was last recorded in 1927, when 6 babies were given it; 220 Americans have been recorded with it between 1911 and 1927 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Sulo by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
What does Sulo mean?
Wiktionary, Finnish section
Sulo is “a male given name” Its etymology gives the senses “charm” (sulo) and “beloved” (literally).
19th-century invention from sulo (“charm”), perhaps as a translation of Ancient Greek Ἀγάπιος (Agápios, literally “beloved”).
/ˈsulo/
Meaning: Wiktionary, Finnish section, as of Sep 25, 2026 (CC BY‑SA 4.0).
How popular is Sulo?
Unranked in 2025
Its last boys’ rank on record is #4,157, in 1927; SSA lists a name only in years with 5 or more births.
30 babies in 1918, the peak
Sulo peaked in 1918, when 30 boys were given it, #1,311 among boys’ names. It was not recorded in 2025.
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 1927 | 6 | #4,157 | 5.3 |
| 1926 | 8 | #3,347 | 7.2 |
| 1925 | 13 | #2,419 | 11.6 |
| 1924 | 6 | #4,289 | 5.3 |
| 1923 | 9 | #3,146 | 8.2 |
| 1922 | 8 | #3,498 | 7.4 |
| 1921 | 7 | #3,825 | 6.4 |
| 1920 | 12 | #2,584 | 11.3 |
| 1919 | 14 | #2,249 | 14.3 |
| 1918 | 30 | #1,311 | 29.6 |
Every recorded year (17)
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 1917 | 22 | #1,579 | 23.8 |
| 1916 | 15 | #2,031 | 16.9 |
| 1915 | 27 | #1,300 | 31.8 |
| 1914 | 16 | #1,599 | 24.4 |
| 1913 | 12 | #1,665 | 23.4 |
| 1912 | 8 | #2,028 | 18.6 |
| 1911 | 7 | #1,519 | 31.0 |
Ranks and shares: boys’ names in each year’s SSA file; share of all boys SSA recorded that year.
Is Sulo a boy’s or a girl’s name?
Sulo has been recorded only for boys: SSA lists no girls with the name in 17 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Sulo: the SSA national file counts each sex separately.
How many people are named Sulo, and how old are they?
Almost everyone recorded as Sulo was born before 1900, so the estimate of Americans with the name alive today rounds to none. An estimate from SSA’s births and life tables, not a count.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made.
Names spelled alike
Of these 2 names spelled alike, given to 1,270 babies since 1880, Sulo is the second most given (17% of them). In 2025 none of their 41 babies recorded by SSA was a Sulo (SSA lists a name only with 5 or more babies of one sex).
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
More about Sulo and names like it
- Compare Sulo and SullyBirths, ranks, peak and the living estimate side by side.
- The most given names of the 1910sSulo peaked in 1918.
- Michigan’s most given namesThe state where SSA recorded the most babies named Sulo since 1910.
- Finnish namesWiktionary’s origin for Sulo: every such name, by how often it is given.
- The top names of 1918The year the most babies were named Sulo.
- Names starting with SMost given first.