Dekker is a distinctive boys' name in United States, ranking #4391 in 2018 with 23 recorded births. This places Dekker in the top 31% 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 2018, approximately 1 in every 78,934 boys born was named Dekker. FALLING Recent data shows the name is currently falling.