The name Longfellow is a boy's name of English origin meaning "tall one". Longfellow and is often added to lists like Movie Character Names and discussed in our forums with posts like "Rate the Previous Signature!".
From the experts:
Longfellow is the first name of the eponymous hero of the classic 1936 film Mr. Deeds Goes to Town, later remade with Adam Sandler. But it's hard to imagine a modern parent using it except as a middle name to honor the poet.