Carrie and Louis are two famous figures in American history. Carrie was a civil rights activist who famously refused to give up her seat on a bus in Montgomery, Alabama in 1955, while Louis was an influential jazz musician and composer. The crossword solutions for the term CARRIE OR LOUIS are NYE, which stands for New Year's Eve. This is a reference to the fact that both Carrie and Louis were born on December 31st.