Shamus is a traditional Irish name that means "son of James" or "supplanter." It is usually used as a boy's name and is often associated with strength, determination, and leadership. People with the name Shamus are known for their outgoing and charismatic personalities, as well as their natural ability to inspire and motivate others. Shamus is a name that exudes confidence and a strong sense of self-awareness, making it a popular choice for parents looking for a powerful and dynamic name for their son. Overall, Shamus is a name that carries a sense of tradition and heritage, while also conveying a sense of modernity and vitality.