5 Letter Boy Names

Names Ending in S for Boys

Two Syllable Names for Boys

Kajus is a masculine name with Northern European origins, particularly popular in Lithuania and other Baltic countries. It likely derives from the Roman name Caius (also spelled Gaius), which was a common praenomen in ancient Rome with uncertain etymology. In Lithuanian usage, Kajus maintains the classical dignity of its Roman predecessor while adapting to Baltic phonetic patterns. The name has gained modest popularity in recent decades across Northern and Eastern Europe as parents increasingly draw inspiration from classical sources. Kajus combines a strong, crisp sound with historical depth, appealing to families seeking names with both ancient roots and contemporary feel. Though relatively unknown in English-speaking countries, the name's straightforward pronunciation and distinctive character make it an intriguing cross-cultural option.

Kajus

England

Lithuania

The name Kajus peaked for boys at #10656 in 2004.

Kajus

Popularity of the name Kajus

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