My aunt and uncle were divorced. When their son died, his mother put her name instead of the father’s name on his gravestone because the father abandoned them. The rabbi told her that it made her son look like he was illegitimate but she did the name the way she wanted anyway, This might be the answer to what happened in your family but this is a possible explanation.
Researching Schwartz, Srulowitz, Selss, Sells, Kements- Podilia, Ukraine, New .
Schweitzer, Romanofsky, Kopys, Belarus , New York, .New Jersey,
Schnur ,Tarnow, Poland (Austria).New York
Osheyack, Brok, Brooks Golub Dobryzn, Poland (Prussia ,Russia) New York- Florida
Stark, Sterk, Kotaj, Hungary, NewYork, Florida, California
Herman, Fehergyarmat, Hungary, New .York, New Jersey, Cleveland, Ohio,
Trebits, Trebits, Satumare, Romania (Hungary) New York