Krstinić families are mainly Croats and they are mostly from the Island of Rab. According to some sources they are from the Island of Hvar and Boka Kotorska, often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Rab and in Hrvatska Kostajnica area. In Pedalj in Hrvatska Kostajnica area every third inhabitant had the family name Krstinić.
Prevalence
About 290 people with faimily name Krstinić live in Croatia today, in 130 households. There were 300 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 23 cities and 25 other places, mostly in Palit on the Island of Rab (65), Zagreb (35), Split (25), Banjol on the Island of Rab (20), and in Pedalj in Hrvatska Kostajnica area (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.