Noble or of noble birth
Adlie is a modern English diminutive or variation likely derived from the Germanic root 'adal', meaning noble. It is often considered a creative blend or a simplified form of names like Adeline or Adelaide, gaining traction as a shorter, punchier alternative in the 21st century.
Less common today
Adlie isn't in the latest US Top 1000. It last peaked at #8,343 in 2016.
US births per 5-year period, 1990βpresent (SSA data).