Let me add a little post script here to say:
Here is further proof not my opinion but biblical fact of why i say that name that was used in matt.28:19 was the name Jesus.
ACTS 4:10-12.....LET IT BE KNOWN TO YOU ALL,AND TO ALL THE PEOPLE OF ISREAL,THAT BY THE NAME OF JESUS CHRIST OF NAZARETH,WHOM YOU CRUCIFIED,WHOM GOD RAISED FROM THE DEAD,BY HIM THIS MAN STANDS HERE BEFORE YOU WHOLE. V.11......THIS IS THE STONE WHICH WAS REJECTED BY YOU BUILDERS,WHICH HAS BECOME THE CHIEF CORNERSTONE.(notice here the key verse) 12...........NOR IS THERE SALVATION IN ANY OTHER,FOR THERE IS NO OTHER NAME GIVEN AMONG MEN BY WHICH WE MUST BE SAVED.