Over the past 110 years, 366 girls and 564 664 boys have been named Peter. The name Peter ranks 5491th in the United States among the most common names for girls. For the first time more than ten times newborns were named Peter in 1915. The peak of popularity of the name Peter came in the 1930s and 1970s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.