In Croatia, Martello families are Croats (from Bjelovar area ).
Prevalence
Only a few people with faimily name Martello live in Croatia today, in two households only. They are located in only threee naselja i to in Veliko Trojstvo in Bjelovar area (<5), Pivnica Slavonska in Virovitica area (<5), and in Kravljak in Daruvar area (<5).
Outside Croatia
Family name Martello is present in 36 countries worldwide. The family name "Martello " is used by some 5000 people in Italy , about 3000 in Brazil , and some 3000 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.