Over the past 110 years, 29 boys and 36 767 girls have been named Delaney. The name Delaney ranks 8137th in the United States among the most common names for boys. For the first time more than ten times newborns were named Delaney in 1971. The peak of popularity of the name Delaney came in the 1970s and 1990s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.