In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
Only a few people with faimily name Samanich live in Croatia today, in households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in one Croatian city only, in Rijeka (<5).
Outside Croatia
Family name Samanich (including: Shamanych , Shamanich ) is present in 9 countries on four continents. The family name "Samanich " is used by some 100 people in the United States and small number in Argentina.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1691 in source Catholic Church Parish Records.