Kephas is the name applied to Simon, used in Scripture for the person addressed, visited, opposed, and named among other leaders.

The term functions throughout the supplied passages as a personal name for the same man: he is called by this name in John 1:42, listed with other figures in 1 Corinthians, and addressed or described in Galatians.

1. Personal name for Simon · dominant

   In John 1:42, the nominative singular form occurs when Jesus tells Simon that he will be called by this name; the APB renders the statement, “You will be called Cephas,” and adds “which is translated Peter.” The same name identifies the person who is visited in Galatians 1:18, opposed at Antioch in Galatians 2:11, addressed before all in Galatians 2:14, and named with James and John in Galatians 2:9. In 1 Corinthians 15:5, the dative singular form marks the person to whom he appeared.

   John 1:42Galatians 1:18Galatians 2:11Galatians 2:14Galatians 2:91 Corinthians 15:5

In the Anselm Project Bible: The APB consistently presents the name as “Cephas” in the supplied verses. In John 1:42 it additionally says, “which is translated Peter”; This identifies the verse’s presentation rather than establishing a separate lexical rendering.