A name that means something.
O"Long-lived, flourishing life." Name of the second caliph Umar ibn al-Khattab, a towering figure in Islamic history known for his sense of justice. Not mentioned in the Qur'an under this exact spelling, but the root appears frequently.
Arabic root: ʿ-m-r — ع-م-ر, life, longevity
One of the most portable Arabic names in the US — short, recognizable, and free of silent letters. "Umar" is the classical spelling; "Omar" dominates in the US and Latin America.