In Croatia, Schwager families are Croats (from Zapresic area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Osijek.
Prevalence
About 10 people with faimily name Schwager live in Croatia today, in three households only. They are located in only four naselja i to in Senkovec (<5) and Kljuc Brdovecki (<5) in Zapresic area, Zagreb (<5), and in Velika Gorica (<5).
Outside Croatia
Family name Schwager is present in 29 countries worldwide. The family name "Schwager " is used by some 5000 people in Germany , about 3000 in the United States , and some 700 people in Switzerland.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.