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Sisu: Name Day, Name Meaning & More


Name days, celebrated across many cultures, are traditions where individuals are honored on a specific day associated with their name, often linked to a saint or historical figure. Sisu, a name deeply rooted in Finnish culture, embodies the concept of stoic determination and resilience. Originating from the Finnish language, it represents a unique philosophical approach to life. The name carries a mood of unwavering strength and quiet courage, and in Finland, Sisu is celebrated on February 28th.

Name Day: Dates by Country

Sisu's name day is celebrated on February 28 in Finland.

Celebration of name day and name - Sisu


The Story Behind This Name

The name Sisu is exceptionally rare in the United States, appearing primarily as a modern, intentionally chosen name rather than a traditional one. Its usage is growing slowly, often associated with parents seeking unique and meaningful names. Globally, Sisu is almost exclusively found in Finland, where it holds cultural significance, and among the Finnish diaspora. Outside of Finland, recognition is limited, though increasing due to its association with a 2020 Disney/Pixar film. The name’s distinct sound and powerful connotation contribute to its appeal for those seeking something different. It’s a name that sparks curiosity and conversation, often requiring explanation to those unfamiliar with Finnish culture.


Name origin and meaning

Sisu stems from the Finnish language and represents a deeply ingrained cultural concept. It’s not directly translatable into a single word, but encompasses qualities of stoic determination, resilience, courage, and tenacity in the face of adversity. The concept is tied to the Finnish national character, forged through a history of overcoming harsh conditions and external pressures. It’s a philosophical approach to life, emphasizing inner strength and unwavering resolve. The name itself embodies this spirit, representing a core value within Finnish society.


Name Identity: Gender Classification

Traditionally, Sisu is considered a gender-neutral name in Finland, though it has historically been more commonly given to boys. However, in recent years, there's been a growing trend of using Sisu for girls as well, reflecting a broader societal shift towards gender equality. Outside of Finland, its gender association is largely undefined, allowing parents to assign it based on preference. In the US and other Western countries, it’s often perceived as a strong, unisex name. This flexibility contributes to its appeal for parents seeking a name that transcends traditional gender norms.


The Name Effect: Mood, Tone & Personality

The name Sisu evokes a feeling of unwavering strength, resilience, and quiet determination. It carries a sense of stoicism and inner fortitude, suggesting a personality that is both courageous and composed. The vibe is decidedly not frivolous or delicate; it’s grounded and substantial. It suggests someone who faces challenges head-on with unwavering resolve and a calm, focused spirit. There’s a subtle hint of mystery and depth, hinting at a complex inner world.


Unlocking the Hidden Meaning of Name: Sisu

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: 5 – The Freedom Seeker.
Keywords: Adventure, change, curiosity, independence, versatility.
Positive Traits: Adaptable, energetic, adventurous, progressive, dynamic.
Challenges: Can be reckless, restless, or avoid responsibility.
Life Path Meaning: A path of embracing change, exploration, and personal freedom.


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: Mercury - Communication, Intelligence, Adaptability.
Mercury is the planet of intellect, speech, and agility. Names under Mercury’s influence often belong to individuals who are quick-witted, analytical, and articulate. They thrive in social interactions, learning environments, and dynamic situations where adaptability is key. These names tend to reflect intelligence, curiosity, and the ability to process information quickly.


Name days: Name Sisu

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.

Country Month Day Name days 
Finland Finland February 28 Onni, Sisu 




Sisu’s Enduring Strength and Legacy

Sisu is a name that stands apart, carrying a rich cultural heritage and a powerful connotation of inner strength. Its rarity in the US and global recognition primarily within Finland contribute to its unique appeal. The name’s gender neutrality and evocative mood make it a compelling choice for parents seeking something meaningful and distinctive. Coupled with its designated name day in Finland, Sisu represents a complete and culturally significant naming experience. It’s a name that embodies resilience, courage, and the enduring spirit of the Finnish people.


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!
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