In Croatia, Lettich families are generally Croats (from the Island of Losinj ), very rarely Italians (also from the Island of Losinj ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Losinj.
Prevalence
About 10 people with faimily name Lettich live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Veli Losinj on the Island of Losinj (10).
Outside Croatia
At least seven families with this surname emigrated from Croatia to the United States (5) and Australia (2). Family name Lettich is present in 11 countries worldwide. The family name "Lettich " is used by some 300 people in the United States , small number in Chile , and small number of people in Italy.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1926 in source Emigration Commission Zagreb.