Miley is a moderately popular girls' name in United States, ranking #278 in 2007 with 1,233 recorded births. The name reached its all-time peak in 2008 with 2,652 births ranking #129. Since 1996, the popularity has increased by 17,514.3%. In 2007, approximately 1 in every 1,559 girls born was named Miley. RISING Recent data shows the name is currently rising.
Miley is a modern English name best known as a shortened form of Smiley in the case of singer and actress Miley Cyrus. Earlier examples also suggest it can sometimes work as a diminutive of Miles.
The name was not widely used before Miley Cyrus brought it into public attention. That makes it a distinctly modern celebrity-shaped name rather than one with a long traditional history.