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Tosia

A pet form of Antonina, so at root it means praiseworthy. Rare enough that most Poles have never met one, though a small run of newborn girls keeps it going year to year.

Tosia Pronunciation

Tosia is pronounced TO-shah (/ˈtɔɕa/).

Alive in 2025
120
Newborns 2025
6
National rank
#3079

What Tosia means

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

Tosia begins as a nickname. She is the warm, everyday form of Antonina, the name Polish families shorten when Antonina feels too formal for a small child. Alongside her stand Antosia and Tola, two more diminutives of the same root, and the variants Antonina and Antanina keep the fuller shape alive on birth certificates.

The name sits in the Slavic naming family, and its masculine counterpart is Antoni, borne by generations of Polish men. The sense of "praiseworthy" came to Antonina later, an interpretation attached to the name rather than its first meaning. In Polish the word carried alongside it is wspaniała, doskonała: splendid and accomplished.

Read a class register in a Polish school and you may find two or three of them, each Tosia raising a hand. The name day comes with Antonina. That is the day a Tosia receives her wishes. She answers to a diminutive, and behind it stands Antonina, praised as wspaniała.

How many people are named Tosia

1 in 187865 women in Poland is named Tosia. 120 people carry it in the 2025 register: rank #3079 among female names.

People with the name Tosia 2019 → 2025
120 +61 since 2019
2020 63 +4
2021 72 +9
2022 86 +14
2023 98 +12
2024 111 +13
2025 120 +9

Tosia's popularity over time

6 girls were given the name in 2025, ranking #899 among newborns. It has been climbing since 2012.

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6 newborns with the name Tosia in 2025
national rank #899 that year

Where parents choose Tosia

Tosia is most popular in Warmian-Masurian, 1104% above the national average (6 girls born 2019–2025), followed by West Pomeranian (+241%) and Lower Silesian (+83%).

Chosen most
  • Warmian-Masurian
    +1,104%
    1 in 11,966 babies
  • West Pomeranian
    +241%
    1 in 42,213 babies
  • Lower Silesian
    +83%
    1 in 78,567 babies

Tosia as a middle name

Tosia is a first name for 120 women in Poland and a middle name for another 32, a 79/21 split. In the women's middle-name ranking it sits 1250th, between Tanyaradzwa (32) and Alexia (31).

As a first name
120
As a middle name
32
first name 79% middle name 21%
Middle-name ranking women

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