Canelo Álvarez is a Mexican professional boxer. He was born on July 18, 1990, in Guadalajara, Jalisco, Mexico. His real name is Santos Saúl Álvarez Barragán. Canelo is a nickname that means "cinnamon" in Spanish, which is a common nickname for people with red hair. His mother, Ana Maria, also has red hair, and in Mexico, it is common for people to associate red hair with the Irish soldiers who fought for Mexico in the Saint Patricks Battalion during the Mexican–American War. However, Canelos Irish ancestry is unclear, and he has admitted that there might have been an Irish grandfather somewhere in his past.

In summary, Canelo Álvarez is Mexican, but he has red hair, which is often associated with Irish ancestry. However, his Irish ancestry is unclear, and he has not confirmed it.