Gloc families are Croats and they are mostly from Grubisno Polje. In the past century, relatively most of Croatian residents bearing this family name were born in Grubisno Polje and Glina. In Turčević Polje in Grubisno Polje every tenth inhabitant had the family name Gloc.
Prevalence
About 110 people with faimily name Gloc live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 50 percent. They are located in 9 Croatian counties, in 11 cities and 17 other places, mostly in Turcevic Polje (25), Grubisno Polje (10), Sisak (<10), Novi Antunovac in Virovitica area (<10), and in Osijek (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.