sr jr comma after last name before
Confidence votes 52.5K. A comma would be used both before and after the designations of Jr. or Sr., as long as the sentence continues. If the designation is at the end of the sentence, then a comma is used only before it.For example: John James, Sr., was well regarded in the community.However, the community had no use for John James, Jr.onfidence votes 52.5K. A comma would be used both before and after the designations of Jr. or Sr., as long as the sentence continues. If the designation is at the end of the sentence, then a comma is used only before it.