Over the past 110 years, 22 875 girls have been named Lorna. The name Lorna ranks 832th in the United States among the most common names for girls. For the first time more than ten times newborns were named Lorna in 1910. The peak of popularity of the name Lorna came in the 1930s and 1950s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.