Dewitt is a distinctive boys' name in United States, ranking #7396 in 2003 with 9 recorded births. The name reached its all-time peak in 2001 with 15 births ranking #4951. Since 1996, the popularity has decreased by 25.0%. In 2003, approximately 1 in every 219,474 boys born was named Dewitt. FALLING Recent data shows the name is currently falling.