Names like Silverman have a history that connects the named with an occupation. Surnames were a later development in the human community.
It used to be that you would be directed to find Max. He’s the blacksmith. Max the blacksmith might become Max Smith in a shortening of his trade.
The mob, if gangster films teach us anything, will use a trait to identify a comrade in arms. Joey Triggers or Tony Safes might be a moniker in use. Since Joey and Tony come from a long line of Capistranos and Conamores they already have a last name. If they’d lived in the middle ages, the nickname would stick for the next generations.
Names connect us to our past.
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