Sinead is a distinctive girls' name in United States, ranking #14145 in 2016 with 7 recorded births. The name reached its all-time peak in 1997 with 44 births ranking #2817. Since 1996, the popularity has decreased by 81.6%. In 2016, approximately 1 in every 253,070 girls born was named Sinead. STABLE Recent data shows the name is currently stable.