Dekker is a distinctive boys' name in United States, ranking #3311 in 2016 with 34 recorded births. This places Dekker in the top 23% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 35 births ranking #3276. In 2016, approximately 1 in every 55,800 boys born was named Dekker. FALLING Recent data shows the name is currently falling.