In Croatia, Merkl families are Croats (from Zapresic area ), barely Slovenes. In the past century, relatively most of Croatian residents bearing this family name were born in Zapresic area and in Zagreb. In Vukovo Selo in Zapresic area every ninth inhabitant had the family name Merkl.
Prevalence
About 70 people with faimily name Merkl live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 9 Croatian counties, in 8 cities and 6 other places, mostly in Zagreb (20), Rijeka (15), Senkovec in Zapresic area (<10), Bjelovar (<5), and in Vukovo Selo in Zapresic area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.