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First recorded as a given name of Latvians in 1969. From Russian Дени́с (Denís). Cognate with English Dennis, Denis.
Deniss m
- A transliteration of the Russian male given name Дени́с (Denís).
- Klāvs Siliņš: Latviešu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
- [1] Population Register of Latvia: Deniss was the only given name of 5257 persons in Latvia on January 1st 2011, including Russian speakers.