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Origin: German

Meaning: Powerful; Mighty; Little deer

Ossi is a boy's name of Old German origin. A nickname for Oswald, it means "powerful" or "mighty." It may even be a diminutive of Oisín, a popular name in Ireland meaning "little deer." Deer may be known for their delicate, timid nature, but when it comes to fleeing their prey, that's when their horns come out, and their feet take flight. Your own Ossi might be just as daring as a deer—perfectly poised but always prepared for when the fight calls!