Peter is always named first when the apostles are
listed in
the synoptic gospels and the
Acts of the Apostles.
Mark 3:16-17
He (Jesus) appointed the twelve: Simon, whom he
named
Peter; James, son of Zebedee, and John ...
Matthew 10:2
The names of the twelve apostles are these: first,
Simon
called Peter, and his brother Andrew; James,
the son of Zebedee, and his brother John;
Luke 6:13-14
When day came, he called his disciples to himself, and
from them he chose Twelve, whom he also named
apostles: Simon, whom he named Peter, and his
brother Andrew, James, John, Philip, Bartholomew, . . .