The language of analysed weekly „Chata Rodzinna”, published in Kaunas in 1922-1940, in spite of aditorial revision, contains some distinctive features in the field of inflexion. Only the grammar gender and number changes has been matter of analysys in this article. It has been fund that grammatical pecularieties of grammar gender and number used in „Chata Rodzinna” are, in fact, characteristic regional qualieties, seen in the language of Northern borderland both in the past and now. Analysis shows that deviations from the general Polish are not numerous (only 28 items). Most of the regional features are arisen under the influence of foreign language systems (Belarussian, Russian and especially Lithuanian).