In the modern corpus of Croatian anthroponyms there are 30 personal names with the root bog (‛god’). An abundance of both published and unpublished historical sources used in this research allowed the authors to create a corpus of personal names suitable for the comparative analysis of frequency and incidence in historical sources. The continuity of the use of the root bog among Croats is presented through the analysis of historical anthroponymic records (from the oldest originating in the 11th century, to contemporary sources). The oldest available sources attest to the onset of interference and the blending of Slavic and Romanic ethnicities, foremost in coastal Dalmatian city communes. A limited frequency of these personal names was detected in the 16th century. The factors that led to this situation are not only connected to the decisions of the Council of Trent, which recommended general usage of Christian names, but can also be attributed to historical circumstances (incursion of Ottomans, subsequent migrations). Most of the 16th century attestations pertain to areas with a mixed Christian and Muslim population. In border areas, where Western states shared Eastern borders with the Ottoman Empire, the analysed attestations were quite rare. Due to constant migrations from the contact zones and the Ottoman Empire towards the interior of the Hungarian-Croatian Kingdom, these personal names were able to ”survive” the early modern period. At the end of the 19th and beginning of the 20th century, usage of folk names was more frequent, most probably as a consequence of the process of Croatian national revival.