Leader or guide
Derived from the Spanish word for a leader or champion, specifically one who guided troops in medieval times. It has roots in the Arabic word 'al-dalil', meaning a guide or proof. It is a rare, noble-sounding choice that suggests strength and direction.
Less common today
Adalid isn't in the latest US Top 1000. It last peaked at #7,361 in 2007.
US births per 5-year period, 1990βpresent (SSA data).