EN
This article constitutes an analysis of old surnames of the parish dwellers of Strzegowo in Masovia. According to the analysis, the most substantial group comprises the surnames coined by using the suffix -ski (248 units, including 169 toponyms and 79 structural ones). Patronimical surnames, on the other hand, consist of only 105 units; most of these formations (43) end, in turn, with the suffix -’ak. Merely a few surnames are coined via the transference of appellatives (26 formations), professional names (16 formations) and names (9 formations) to the class of names. In the linguistic material, also 6 foreign names are noted.