Samanthajo is a distinctive girls' name in United States, ranking #18272 in 2004 with 5 recorded births. The name reached its all-time peak in 1997 with 13 births ranking #7196. Since 1996, the popularity has decreased by 44.4%. In 2004, approximately 1 in every 367,224 girls born was named Samanthajo. FALLING Recent data shows the name is currently falling.