Deniz is a distinctive boys' name in England & Wales, ranking #668 in 2010 with 47 recorded births. The name reached its all-time peak in 2017 with 70 births ranking #554. Since 1996, the popularity has increased by 213.3%. In 2010, approximately 1 in every 7,367 boys born was named Deniz. FALLING Recent data shows the name is currently falling.