Over the past 110 years, 19 700 boys have been named Lamont. The name Lamont ranks 715th in the United States among the most common names for boys. For the first time more than ten times newborns were named Lamont in 1918. The peak of popularity of the name Lamont came in the 1970s and 1980s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.