MallowbyNames

Sulo

SOO-lo · Of uncertain origin, possibly a Finnish variant of Sulho meaning 'betrothed' or 'bridegroom'.

Peak popularity
1915
Usually for
Boys
Trend
Holding steady

Holding steady.

Popularity of Sulo since 1911

Babies named Sulo per year in U.S. Social Security records.

102030192019602000Most births 1918Boys
Data table (by decade)
DecadeBoys
1910s151
1920s69
1930s0
1940s0
1950s0
1960s0
1970s0
1980s0
1990s0
2000s0
2010s0
2020s0

Meaning & origin

Sulo is a Finnish masculine name that entered the U.S. naming landscape in 1911, according to Social Security data. It saw its peak usage in 1915, after which its frequency steadily declined. The name has remained consistently rare, with a stable trajectory and negligible recent usage. It was never recorded in any U.S. state's top ranks, reflecting its niche appeal. Sulo is likely a variant of Sulho, meaning 'betrothed', though some etymologists also connect it to the Finnish word 'sula' for 'graceful'. Its old-world charm and succinct sound make it a distinctive choice for those drawn to Nordic heritage.

Sulo is a Finnish male name that emerged in the late 19th and early 20th centuries. It may be a short form of Sulho, derived from the Finnish word 'sulho' meaning 'betrothed' or 'bridegroom'. Alternatively, it could be connected to 'sula', meaning 'graceful' or 'melting'. The name gained modest popularity in Finland in the 1910s, with a peak in 1915, but has since fallen out of common use.

Nicknames & variants

Variants: Sulho

Sibling names for Sulo

Names that share Sulo's style, for a brother or sister.

Sisters: Aino, Lempi, Helmi, Sylvi, Tellervo

Brothers: Onni, Urho, Väinö, Eino, Aarne

A parent animal hugging its little one, the personalized name page

S is for Sulo, our favorite little boy.

S is for Sulo…”

In a Mallowby alphabet book, Sulo's letter becomes Sulo's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Sulo's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Sulo mean?
The meaning of Sulo is uncertain, but it is thought to be a Finnish variant of Sulho, meaning 'betrothed' or 'bridegroom'.
How popular is the name Sulo?
Sulo first appeared in U.S. birth records in 1911. It peaked in popularity in 1915 and has since become very rare, with fewer than five births per year in recent decades.
Is Sulo a boy's name or a girl's name?
Sulo is traditionally a masculine name in Finland.