The fact that there was no unified spelling for the surname Smarrai when the first surnames were formed allows us to find many surnames similar to Smarrai.
Errors in writing, voluntary changes by the bearers, modifications for language reasons... There are many reasons why the surname Smarrai may have undergone changes or modifications, and from those modifications, surnames similar to Smarrai may have appeared, as we can see.
Discerning whether the surname Smarrai or any of the surnames similar to Smarrai came first is not always easy. There are many reasons that could have led to the surname Smarrai being written or pronounced differently, giving rise to a new, different surname Smarrai with a common root.