Smuđ families are Croats and they are mostly from Sisak area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sisak. In Tišina Kaptolska in Sisak area every ninth inhabitant had the family name Smuđ.
Prevalence
About 80 people with faimily name Smuđ live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 8 Croatian counties, in 8 cities and 6 other places, mostly in Sisak (20), Zagreb (15), Kutina (<10), Cazma (<10), and in Tisina Erdedska in Sisak area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.