Slade families are Croats and they are mostly from Dubrovnik area. In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and in Dubrovnik area. In Ošlje in Dubrovnik area every ninth inhabitant had the family name Slade.
Prevalence
About 140 people with faimily name Slade live in Croatia today, in 70 households. There were 150 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 8 Croatian counties, in 11 cities and 13 other places, mostly in Dubrovnik (30), Zagreb (20), Trogir (20), Mali Ston on the Peljesac peninsula (10), and in Split (10).
Outside Croatia
Family name Slade is present in 82 countries worldwide. The family name "Slade " is used by some 10000 people in the United States , about 4000 in Great Britain , and some 2000 people in Canada.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.
