Sonnie is a distinctive boys' name in England & Wales, ranking #863 in 2006 with 28 recorded births. The name reached its all-time peak in 2009 with 42 births ranking #711. Since 1996, the popularity has increased by 180.0%. In 2006, approximately 1 in every 11,441 boys born was named Sonnie. FALLING Recent data shows the name is currently falling.