When was Jan most popular?

The name Jan reached its peak popularity during the 1970s.

What are the origins of the name Jan Kozlowski?

The name Jan Kozlowski combines two different traditions: the first name Jan has English roots, while the surname Kozlowski originates from Slavic.

Jan Kozlowski — 79K & 10K bearers

Jan Kozlowski is a name that combines English origins. The first name Jan is a feminine given name of English origin. Jan is a form of John that is used in various languages. (See the "Other names" section in this page's infobox for more variants.) The name is used in Afrikaans, Belarusian, Circassian, Catalan, Cornish, Croatian, Czech, English (especially in Devon dialect), Dutch, German, Kazakh, Polish, Slovak, Slovenian, Scandinavian and Finnic languages. It is the most prevalent in the Czech Republic. In English, the name Jan is often derived from feminine forms of John, a shortening of the first names Janet, Janice, Janine, or occasionally the unrelated January, with corresponding pronunciation. The surname Kozlowski: Kozłowski (Polish pronunciation: [kɔzˈwɔfski]; feminine: Kozłowska, plural: Kozłowscy) is the 12th most common surname in Poland (76,657 people in 2009). It is ranked second in both Warmia-Masuria (7,764) and Podlaskie (5,560) It is related to the following surnames: Agnieszka Kozłowska-Rajewicz (born 1969), Polish politician Artur Kozłowski (born 1985), Polish athlete Artur Kozłowski (1977–2011), Polish speleologist Bogusława Kozłowska-Tomasiak (born 1952), Polish rower Brian Kozlowski (born 1970), American football player David Kozlowski, American tennis player and television personality Den. Jan is a distinctive first name, carried by approximately 79K people globally, with the highest concentration in United States. The name Jan reached peak popularity in the 1970s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Jan

English

Jan is a form of John that is used in various languages. (See the "Other names" section in this page's infobox for more variants.) The name is used in Afrikaans, Belarusian, Circassian, Catalan, Cornish, Croatian, Czech, English (especially in Devon dialect), Dutch, German, Kazakh, Polish, Slovak, Slovenian, Scandinavian and Finnic languages. It is the most prevalent in the Czech Republic. In English, the name Jan is often derived from feminine forms of John, a shortening of the first names Janet, Janice, Janine, or occasionally the unrelated January, with corresponding pronunciation.

Surname: Kozlowski

Slavic

Kozłowski (Polish pronunciation: [kɔzˈwɔfski]; feminine: Kozłowska, plural: Kozłowscy) is the 12th most common surname in Poland (76,657 people in 2009). It is ranked second in both Warmia-Masuria (7,764) and Podlaskie (5,560) It is related to the following surnames: Agnieszka Kozłowska-Rajewicz (born 1969), Polish politician Artur Kozłowski (born 1985), Polish athlete Artur Kozłowski (1977–2011), Polish speleologist Bogusława Kozłowska-Tomasiak (born 1952), Polish rower Brian Kozlowski (born 1970), American football player David Kozlowski, American tennis player and television personality Den.

Geographic Distribution

The first name Jan is distributed across the globe, with the highest concentrations in the following countries:

United States 51%

United Kingdom 27%

Australia 12%

Canada 10%

Popularity Over Time

Popularity of the name Jan by decade, based on birth registration data:

1900s

1910s

1920s

1930s

1940s

1950s

1960s

1970s

1980s

1990s

2000s

2010s

2020s

Notable People Named Jan Kozlowski

People listed above share this name. Listed for informational purposes only. Source: Wikipedia.

Numerology

According to Pythagorean numerology, each letter in a name carries a numerical value. Here are the key numbers for Jan Kozlowski:

4

Expression Number

Stability and hard work. Represents practicality, reliability and dedication — someone who builds solid foundations.

22

Soul Urge Number

Master Builder (Master Number 22). Combines grand vision with the practical ability to achieve lasting, large-scale goals.

9

Personality Number

Compassion and humanitarianism. A generous, idealistic nature with a sincere desire to improve the world.

Numerology is a cultural tradition for exploring symbolism in names. Results are for entertainment purposes.

Frequently Asked Questions

What is the origin of the first name Jan?: The first name Jan originates from English. Jan is a form of John that is used in various languages. (See the "Other names" section in this page's infobox for more variants.) The name is used in Afrikaans, Belarusian, Circassian, Catalan, Cornish, Croatian, Czech, English (especially in Devon dialect), Dutch, German, Kazakh, Polish, Slovak, Slovenian, Scandinavian and Finnic languages. It is the most prevalent in the Czech Republic. In English, the name Jan is often derived from feminine forms of John, a shortening of the first names Janet, Janice, Janine, or occasionally the unrelated January, with corresponding pronunciation.
When was Jan most popular?: The name Jan reached its peak popularity during the 1970s.
What is the origin of the surname Kozlowski?: The surname Kozlowski originates from Slavic. Kozłowski (Polish pronunciation: [kɔzˈwɔfski]; feminine: Kozłowska, plural: Kozłowscy) is the 12th most common surname in Poland (76,657 people in 2009). It is ranked second in both Warmia-Masuria (7,764) and Podlaskie (5,560) It is related to the following surnames: Agnieszka Kozłowska-Rajewicz (born 1969), Polish politician Artur Kozłowski (born 1985), Polish athlete Artur Kozłowski (1977–2011), Polish speleologist Bogusława Kozłowska-Tomasiak (born 1952), Polish rower Brian Kozlowski (born 1970), American football player David Kozlowski, American tennis player and television personality Den.
What are the origins of the name Jan Kozlowski?: The name Jan Kozlowski combines two different traditions: the first name Jan has English roots, while the surname Kozlowski originates from Slavic.