Jaycee is a modern and trendy name that originated in the United States. It is often used for both boys and girls, although it is more commonly associated with females. The name Jaycee has a youthful and energetic feel to it, making it a popular choice for parents looking for a stylish and contemporary name for their child. The name is often thought to be a modern variation of the name J.C. or JC, which is short for Jesus Christ. Overall, Jaycee is a charming and upbeat name that is sure to stand out in a crowd.