Sederick is a distinctive boys' name in United States, ranking #11318 in 1999 with 5 recorded births. The name reached its all-time peak in 2000 with 9 births ranking #7297. Since 1996, the popularity has decreased by 37.5%. In 1999, approximately 1 in every 384,017 boys born was named Sederick. FALLING Recent data shows the name is currently falling.