In Croatia, Mjertan families are Croats (from Pleternica ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and in Orahovica area. In Grabarje in Orahovica area every sixtieth inhabitant had the family name Mjertan.
Prevalence
About 50 people with faimily name Mjertan live in Croatia today, in 16 households. There were 40 of them in the middle of the past century, and their number increased by 20 percent. They are located in four Croatian counties, in 6 cities and threee other places, mostly in Pozega (25), Trapari (<10), Pleternica (<10), Velika Gorica (<10), and in Orahovica (<5).
Outside Croatia
Family name Mjertan is present in three countries on two continents. "Miertan " is used by few people in the United States.