John Winslow

John Winslow (October 21, 1825 – October 18, 1898) was an American lawyer.

Life Winslow was born on October 21, 1825, in Ramapo, New York, the son of Eleazor Robbins Winslow and Ann Corbett. His ancestor was Kenelm Winslow, younger brother of Plymouth Colony Governor Edward Winslow. One of Winslow's brothers was Worcester mayor Samuel Winslow.

When Winslow was sixteen months old, he and his family moved to Newton, Massachusetts. In 1843, he entered Holliston Academy in Holliston. He then went to Phillips Academy in Andover, followed by two years in Brown University. In 1850, he entered Harvard Law School, where his close friend and roommate was Edward L. Pierce. He graduated from there with an LL.B. in 1852. He then moved to Brooklyn, New York, where he was admitted to the bar later that year and began practicing with his brother D. C. Winslow.

In 1853, Winslow was appointed Assistant District Attorney under Harmanus B. Duryea. In 1855, he was appointed Corporation Counsel under Mayor George Hall and advised him on the consolidation of Brooklyn with Williamsburgh. In 1859, he was elected Brooklyn District Attorney as a Republican. In one year, he secured 315 convictions out of 329 indictments. He was buried in Newton Cemetery in Newton, Massachusetts.