St. Matthew recorded in the Gospel, “Jesus entered Peter's house and found Peter's mother-in-law in bed with a fever. He took her by the hand and the fever left her” (Mt 8:14-15). Note that the passage does not mention St. Peter's wife, but only his mother-in-law. The Gospels, however, make no mention of St. read more
I would hope that based on the synoptic Gospels (Matthew 8: 14–15, Mark 1: 29–31, and Luke 4: 38–41) Catholics do believe it. We don't know if Peter’s wife was still alive, but the Gospel evidence is that he was married at one time. read more
Therefore, St. Peter’s wife must have died before Jesus called him to be an apostle. For full disclosure, Clement of Alexandria (Stromata, III) (c. 202), said St. Peter was married, had children and witnessed his wife’s martyrdom in Rome. read more