Dekker is a distinctive boys' name in United States, ranking #5223 in 2013 with 17 recorded births. This places Dekker in the top 37% 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 2013, approximately 1 in every 111,250 boys born was named Dekker. FALLING Recent data shows the name is currently falling.