Gulin families are Croats and they are mostly from Sibenik. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zagreb. In places Lozovac and Raslina in Sibenik every fourth inhabitant had the family name Gulin.
About 630 people with faimily name Gulin live in Croatia today, in 310 households. There were 590 of them in the middle of the past century, and their number increased by 10 percent. They are located in the most of Croatian counties, in 28 cities and 26 other places, mostly in Sibenik (245), Lozovac (130), Zagreb (95), Split (25), and in Zadar (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.