Meaning & Story
A Spanish feminine form of Guillermo (William), meaning "resolute protector."
Guillermina is a flowing, graceful Spanish name—the feminine of Guillermo (William)—meaning "resolute protector." As a pet name it's perfect for an elegant female dog or cat with a regal bearing and a quietly watchful nature. The name has melodic Spanish musicality and a meaning that suggests both strength and grace. A beautiful pick for households with Spanish or Latin American heritage, or anyone drawn to romantic, full-bodied names.