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Siemomysł

A Slavic name that means "thinking of one's family". It's about as rare as they come: no boys were given it last year, and most Poles have never met one.

Siemomysł Pronunciation

Siemomysł is pronounced she-MO-mihsw (/ɕɛˈmɔmɨsw/).

Related names
Alive in 2025
2
National rank
#61147

What Siemomysł means

Where Siemomysł comes from and what it has meant to the people who carry it.

Siemomysł binds two old Slavic roots. The first, siemo-, traces back to a word for kin or household, the same family sense kept in the old form siemia. The second, -mysł, comes from the verb myśleć, to think. Read together, the name means thinking of one's family, in Polish myślący o rodzinie.

The name belongs to the earliest Piast story. In the chronicle of Gallus Anonymus, written around 1113, Siemomysł appears as the father of Mieszko I, the duke who led Poland into Latin Christendom. A second Siemomysł, a duke of Kuyavia, held real power in the thirteenth century. The name reaches from legend into documented record.

One variant travels beside it. Ziemomysł shifts the first root toward ziemia, meaning land, a slip that sounds natural to a Polish ear. On a school register today the name would stand out at once. What stays fixed under both spellings is the second half, mysł, the old word for thought.

How many people are named Siemomysł

1 in 10673094 men in Poland is named Siemomysł. 2 people carry it in the 2025 register: rank #61147 among male names.

People with the name Siemomysł 2019 → 2025
2 +2 since 2019
2020 0 0
2021 0 0
2022 0 0
2023 2 +2
2024 2 0
2025 2 0

Siemomysł as a middle name

Siemomysł is a first name for 2 men in Poland and a middle name for another 4, a 33/67 split. In the men's middle-name ranking it sits 5781st, between Sidik (4) and Siraj (4).

As a first name
2
As a middle name
4
first name 33% middle name 67%

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