The Chichesters were an early Five Points

Five Points, Manhattan

Five Points was a neighborhood in central lower Manhattan in New York City. The neighborhood was generally defined as being bound by Centre Street in the west, The Bowery in the east, Canal Street in the north and Park Row in the south...

 street gang during the mid 19th century in New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

. The gang began stealing from stores and warehouses and selling the stolen goods to local fences in 1820s, later becoming involved in illegal gambling and robbery. An ally of the Dead Rabbits

Dead Rabbits

The Dead Rabbits were a gang in New York City in the 1850s, and originally were a part of the Roach Guards. Daniel Cassidy claimed that the name has a second meaning rooted in Irish American vernacular of NYC in 1857 and that the word "Rabbit" is the phonetic corruption of the Irish word ráibéad,...

 against the Bowery Boys, the Chichesters maintained between 50 to 100 members lasting for more than 50 years before being absorbed by the Whyos

Whyos

The Whyos, a collection of the various post-Civil War street gangs of New York, was the city's dominant street gang during the late 19th century. The gang controlled most of Manhattan from the late 1860s until the early 1890s, when the Monk Eastman Gang defeated the last of the Whyos...

, much like many of the early gangs, following the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

in 1865.