I know people named 'Robinson who are Jewish. I also know people named 'Robinson' who are not Jewish.
According to statistical analysis of the results of my rigorously unscientific survey, the answer is:
Definitely not necessarily, but it could be.
Although Howell is not a stereotypically Jewish surname, any name can be a Jewish name if it is the name of a Jewish person.
Although Salada is not a Jewish surname in its origin, any name can be a Jewish name if it is the name of a Jewish person.
Peters can be a Jewish name (if it is a name used by a Jewish family) but it need not be Jewish. The name is used by Jews and by non-Jews. Think of all those Scandinavians.
Robinson means the son of Robbin and comes from England
probably not, but a Jewish person can have any last name.
Jewish
No. He is half Jewish on his father's side, but he is an Atheist in his own right.
The name of Jackie Robinson's mother was Mallie Robinson.
Hadiyah Robinson's birth name is Hadiyah Robinson.
Kite Robinson's birth name is Raymond Robinson.
Mack Robinson's birth name is Matthew Robinson.
Marcello Robinson's birth name is Robinson, Marcello.
Robinson Crusoe's birth name is Robinson Kreutznaer.
His full name was Jack Roosevelt "Jackie" Robinson.
Robinson Risner's birth name is Risner, James Robinson.
Alisa Robinson's birth name is Lisa Kay Robinson.
Anwar Robinson's birth name is Anwar Farid Robinson.