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Deniss
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Latvian
Etymology
First recorded as a given name of Latvians in 1969. From lv ru Дени́с. Cognate with en Dennis, en Denis.
Proper noun
lv proper noun m
lv ru Дени́с male given name
References
Klāvs Siliņš: Latviešu personvārdu vārdnīca. Riga "Zinātne" 1990, 5-7966-0278-0
Population Register of Latvia: Deniss was the only given name of 5257 persons in Latvia on January 1st 2011, including Russian speakers.