Reilly is a unisex name of Irish origin, meaning "courageous" or "valiant". It has a strong and energetic sound, making it a popular choice for both boys and girls. People with the name Reilly are known for their bravery, determination, and independent spirit. They are often natural leaders who excel in challenging situations. Reilly is a dynamic and charismatic name that suits individuals who are adventurous, ambitious, and confident.