No, Winfield Scott Hancock was not related to John Hancock.
Winfield Scott Hancock was a prominent Union general during the American Civil War, known for his leadership at significant battles such as Gettysburg. He was born in 1824. John Hancock, on the other hand, was a founding father of the United States and the first signer of the Declaration of Independence, born in 1737. Although they share a common last name, their familial connections do not extend beyond that.
John Hancock was from Massachusetts and played a crucial role in early American history, becoming the President of the Second Continental Congress. In contrast, Winfield Scott Hancock was born in Pennsylvania and made his mark several generations later through his military service. Therefore, despite their notable achievements, they are not related in any way.