Kaj: Name Day, Name Meaning & More
Name days are a revered European tradition where individuals celebrate their patron saint or namesake, often substituting birthday festivities. For the name Kaj, this tradition remains relevant, marked specifically on April 22nd in Austria and August 13th in Sweden. This Scandinavian short form carries a strong, traditional mood reflecting its concise origin as a Frisian variant. Its deep roots and masculine identity are strongly linked to the cultural heritage of Northern Europe.
Name Day: Dates by Country
Kaj's name day is celebrated
on April 22 in Austria and
August 13 in Sweden.
The Story Behind This Name
Kaj is an exceptionally rare name within the United States, usually appearing only among descendants of Nordic immigrants. It lacks significant historical use or recognition in broader American naming conventions. Data shows it has never ranked among the top 1,000 baby names, highlighting its niche appeal. The name's brief, monosyllabic structure is sometimes mistaken for the more common spelling 'Kai' by US registrars. Its history is tied almost entirely to European regions, where it functions as a established, traditional short form.
Name origin and meaning
The name Kaj primarily functions as a Scandinavian diminutive, commonly found in Denmark, Sweden, and Finland. Its precise linguistic roots are often debated but it is frequently regarded as a variant of the Frisian name Kai. Traditionally, Kai is believed to be a shortened version of names like Nikolaus or Cornelius, making Kaj indirectly tied to these classical roots. In some contexts, the meaning relates to the Frisian element meaning "key" or "quay," suggesting a connection to harbors or protection. Kaj is characterized by its succinct structure reflecting common Nordic naming patterns.
Name Identity: Gender Classification
Kaj is firmly established as a traditionally masculine given name across most regions where it is used. It is overwhelmingly classified as male, particularly within its home territories of Scandinavia. While some phonetic similarity exists to names used unisexually elsewhere (like Kai), Kaj maintains a strong male identity in European registries. In the rare instances it appears outside of Europe, it is almost exclusively designated for boys. This rigid classification contributes to its traditional profile.
The Name Effect: Mood, Tone & Personality
The name Kaj projects a strong, minimalist, and deeply traditional Scandinavian vibe. Its single syllable structure lends it an air of concise elegance and quiet strength. The mood is reserved and slightly sophisticated, eschewing softness for a crisp, straightforward resonance. It feels enduring and grounded, suggesting a personality that values tradition and clarity. Kaj is definitely a name possessing a classic, yet determined, tone.
Mirror Magic: Kaj & Jak
Some names hold a hidden surprise—when reversed, they reveal another beautiful and valid name. This playful symmetry adds a unique charm, making the pair feel like secret reflections of each other. Whether by chance or design, these reversible names create a fascinating linguistic connection between two identities.
See also:
Jak: Name Day, Name Meaning & More Unlocking the Hidden Meaning of Name: Kaj
Your name is more than just a label - it holds a unique energy that influences your personality, destiny, and life path. Through numerology and astrology, we uncover the deeper meanings behind your name, revealing your strengths, challenges, and the energy you bring into the world.
Pythagorean Numerology: The Hidden Meaning of Name
Destiny number: 4 – The Builder
Keywords: Stability, structure, practicality, diligence, discipline
Positive Traits: Hardworking, dependable, detail-oriented, disciplined, loyal
Challenges: Can be rigid, stubborn, or overly cautious
Life Path Meaning: A mission to create a solid foundation through persistence and structure.
Chaldean Numerology: Name Energy and Spiritual Insights
First name number: 4 - The Builder.
Traits: Practical, disciplined, hardworking, stable.
Strengths: Reliable, strong work ethic, good organizer, structured.
Challenges: Can be rigid, stubborn, or struggle with change.
The Cosmic Secret Code: What The Name Says About You
The name is linked to the planet that governs it, shaping the name's meaning and influencing the traits associated with it.
Planet: Uranus - Innovation, Rebellion, Originality.
Uranus governs innovation, change, and forward-thinking. Names under Uranus’ influence often belong to individuals who are unconventional, independent, and visionary. These names resonate with those who challenge norms, embrace individuality, and thrive in creative or technological fields. Uranus-ruled names often suggest uniqueness and originality.
Name days: Name Kaj
This list shows name days in different countries where the name is written in the same form. The dates are based on traditional calendars and cultural name celebrations. If your name matches exactly, you can see when it is honored in various parts of the world.
Name days: Similar names (Kaj)
Here you’ll find name days for names that are similar in spelling, pronunciation, or origin. Many cultures group related names together, even if they are not identical. If your name has a close variation, you may find relevant name day dates in this section.
| Country | Month | Day | Name days |
 Croatia | April | 22 | Kajo, Soter, Vojmil |
 Poland | April | 22 | Heliodor, Kajus, Leonia, Leonid, Soter, Strzeżymir, Teodor, Łukasz |
| Croatia | June | 30 | Kajo, Rimski prvomucenici |
 Estonia | July | 5 | Kaja, Kajar |
 Sweden | August | 2 | Kajsa, Karin |
| Croatia | August | 7 | Albert, Donat b., Kajetan, Siksto II. p. |
 Lithuania | August | 7 | Drasutis, Jogile, Kajetonas, Klaudija, Sikstas |
| Poland | August | 7 | Albert, Alberta, Albertyna, Anna, Dobiemir, Donat, Donata, Doris, Dorota, Kajetan |
Kaj A Traditional Scandinavian Name
Kaj is a concise, traditionally male name rooted deeply in Scandinavian linguistic history, serving often as a variant of Kai. Despite its strong, minimalist mood and rarity in the USA, it retains cultural significance abroad. The name's profile is completed by the recognition of its specific name days. Celebrated on April 22nd in Austria and August 13th in Sweden, the name Kaj maintains a strong connection to European traditions and identity.
When Is Your Name Day?
Discover your name day quickly and easily with our name day search tool. Simply enter your name in the search box below, and you'll instantly see the exact date of your name day celebration. Find out when to celebrate and never miss a special occasion!
Austria