Over the past 110 years, 20 502 boys have been named Eldon. The name Eldon ranks 705th in the United States among the most common names for boys. For the first time more than ten times newborns were named Eldon in 1910. The peak of popularity of the name Eldon came in the 1920s and 1930s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.