Guillermo, derived from German "Willehelm," meaning "strong-willed warrior" or "resolute protection." It is composed of two elements: "wilja," which means "will," and "helm," translating to "helmet." This name has been popular among Spanish-speaking countries for centuries, carrying a rich history and cultural significance. In English-speaking regions, Guillermo may be anglicized to William or Guillermo could serve as a unique and distinctive given name choice.
"In 1985, there were five babies named Guillermo."