Baxter Warren Earp (March 9, 1855–July 6, 1900) was the youngest brother of Wyatt, Morgan, Virgil, James, and Newton Earp. He was not present during the Gunfight at the O.K. Corral. After Virgil was maimed in an ambush, he joined Wyatt and was in town when Morgan was assassinated. He helped Wyatt in the hunt for the outlaw Cowboys they believed responsible. He developed a reputation afterward as a bully and was killed in an argument in 1900.

Warren was born in Pella, Iowa. Little is known about his early life. Like Wyatt and Morgan, he was too young to take part in the American Civil War, as his older brothers James, Virgil, and Newton did. He was 18 years younger than Newton. He joined his brothers in Tombstone, Arizona in 1880, and worked occasionally as a deputy for Virgil collecting taxes and for periodic guard duty. Wyatt landed the Faro concession at the Oriental Saloon. Virgil was the Deputy U.S. Marshall and in mid-1881 became the Tombstone City Marshal as well. James was his deputy. The Earps had ongoing conflicts with a loose federation of outlaw Cowboys who were implicated in ongoing livestock thefts and had repeatedly threatened to kill the Earps if they interfered.

Harold Ray Warren (born September 7, 1960 in Corpus Christi, Texas) is a professional boxer in the Welterweight division. He's the former NABF Featherweight, WBC International Super Featherweight, and WBO NABO Lightweight champion.

Harold destroyed Darryl Pinckney to earn the NABF Featherweight championship.

In November 1993, he lost a twelve round decision to WBA Super Featherweight Champion Genaro Hernandez.

On October 24, 1998 Warren lost to Roberto Garcia and his chance at the IBF Super Featherweight Champion, the bout was at the Miccosukee Resort, in Miami, Florida.

The Earp family included a number of lawmen, including patriarch and justice of the peace Nicholas Porter Earp (September 6, 1813 - February 12, 1907), whose sons James, Virgil, Wyatt, Morgan, and to a lesser extent Warren Earp became legendary figures in American Old West.

Nicholas Porter Earp's parents were Walter (b. 1787, Montgomery County, Maryland – d. January 30, 1853) and Martha Ann Early (b. August 28, 1790, Avery County, North Carolina – d. September 24, 1881). Nicholas was named for an early circuit-rider in Kentucky. They were of English and Scotch-Irish descent.

Walter was a school teacher, a Justice of the Peace in Monmouth, Illinois and a Methodist Episcopal preacher. He was a fifth-generation Marylander and the fourth great-grandson of Thomas Earp, Sr. (1631–1720), an Ulsterman who emigrated from the barony of Fews in County Armagh, Northern Ireland to Maryland. Walter's son, Josiah Earp (b. 1761, Montgomery County, Maryland), fought in the American Revolution and was present at the surrender of Lord Cornwallis at Yorktown, Virginia in 1781. His company was ordered to guard the prisoners taken at the surrender, who were housed at Fredericktown.

Sir Kenneth Lewis (1 July 1916 – 2 July 1997) was a Conservative Party politician in the United Kingdom. He was Member of Parliament of the United Kingdom for Rutland and Stamford from 1959 to 1983, and following boundary changes for Stamford and Spalding from 1983 to 1987.

Son of William and Agnes Lewis, Kenneth Lewis was born and educated in Jarrow, Co. Durham, and attended Edinburgh University. He was a Labour and Personnel Executive with shipbuilders Hawthorn Leslie and Company of Hebburn, and afterwards with the County of London Electricity Supply Company. He served with the RAF during World War II as a staff officer at Allied HQ Europe, the Air Ministry, and with a Pathfinder Squadron. He started his own shipping and travel business. He was married to Jean Lewis in 1948, and had two children: Kaye Michie and Christopher Lewis. He lived in Preston, near Uppingham, Rutland.

From 1949 to 1952 he was a member of Middlesex County Council, and contested Parliamentary elections as Conservative candidate in 1945 and 1950 at Newton, and at Ashton-under-Lyne in 1951.

Wyatt Berry Stapp Earp (March 19, 1848 – January 13, 1929) was an American investor and law enforcement officer who served in several Western frontier towns. He was also at different times a farmer, teamster, bouncer, saloon-keeper, miner and boxing referee. He is best known for his part in the Gunfight at the O.K. Corral during which three outlaw Cowboys were killed. The 30-second gunfight defined the rest of his life. Earp's modern-day reputation is that of the Old West's "toughest and deadliest gunman of his day."

Earp spent his early life in Iowa. His first wife Urilla Sutherland Earp died while pregnant less than a year after they married. Within the next two years he was arrested, sued twice, escaped from jail, then was arrested three more times for "keeping and being found in a house of ill-fame". He landed in the cattle boomtown of Wichita, Kansas where he became a deputy marshal for one year and developed a solid reputation as a lawman. In 1876 he followed his brother James to Dodge City, Kansas where he became an assistant marshal. In the winter of 1878 he went to Texas to gamble where he met John Henry "Doc" Holliday whom Earp credited with saving his life.