All of my family is from Russia and we immigrated to the U.S. in the 1980’s when I was a child, after waiting many years to get permission to come. My grandfather’s name was Abraham Okin, but he changed his name to Аркадий (Arkadyie) in Russia because it was very hard for Jews with Jewish names to work and live there, as Russia was very anti-Semitic. He had a brother named ,Изак (Izaac) Okin who worked for the МПС - Ministry of Railway Travel. His brother had one son with his wife Clara, his name is Михаил (Mikhael, Misha in Russian, Michael in English). They also lived in Moscow. My grandfather worked as a construction engineer/building project developer and had one son, my father, who had one daughter, me. The family lived in Moscow, but the family roots were from further east.My great-grandfather’s name was Моисей (Moses or Moshe)and he was from Belarus. He died in 1922 or 1925 (my father isn't sure which as it was long before he was born). His wife’s name was Хава (Chava). She died much later and my grandmother remembers that she had relatives in America, although she doesn’t know if they were Okins from her husband’s side of the family or her own side of the family (her maiden name that we don’t know). My grandfather died in 1988, in Moscow. He was 70 years old.
Personally, I have never met anyone with the same last name as me and think it is not very common for a Jewish name, at least it wasn't in Russia according to my mother and father. My mother has told me that it might come from a type of fish.