In Croatia, Poščić families are almost entirely Croats (from Opatija ), very rarely Italians (also from Opatija ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Opatija.
Prevalence
About 30 people with faimily name Poščić live in Croatia today, in 15 households. There were 210 of them in the middle of the past century, and their number decreased significantly. They are located in threee Croatian counties, four cities and 6 other places, mostly in Rijeka (10), Opatija (<10), Veprinac (<10), Icici (<5), and in Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.