Siddalee is a distinctive girls' name in United States, ranking #11144 in 2012 with 10 recorded births. This places Siddalee in the bottom 43% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 16 births ranking #8037. In 2012, approximately 1 in every 176,074 girls born was named Siddalee. STABLE Recent data shows the name is currently stable.