Jaak is a boy name with roots in Estonian and Hebrew culture. An Estonian form of Jacob, from the Hebrew 'Ya'aqov' - one who holds the heel, the supplanter.
The numerology number for Jaak is 5, reflecting the personality traits and characteristics associated with this name.
Origin : estonian, hebrew
Gender : boy
Numerology : 5
Syllables : 1
Last updated 21 October 2026 · How we research names · Report a mistake
In numerology, the name Jaak reduces to the number 5, which is most often linked to freedom, adventure, adaptability. A person carrying this vibration is often restless in the best way - curious about people and places, quick to learn, and energised by change rather than threatened by it.
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Names starting with J
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