The goal of this paper does not consist in describing a derivation of hypocorism concerning the language of the young generation in general. We report on an exploration of the first names and their homely (family) forms extracted from the KSK, i.e. the corpus of private correspondence. We set it as our task to create a complete list of the hypocorism occuring in the KSK and to associate them with their respective inflectional paradigms. This description was integrated into the new version of AJKA (morphological analyser and tagger of Czech) with respect to the need of automatic morphological tagging of the corpus mentioned above.