• Wyatt Earp (1848-1929) - Lamar, Missouri Constable; Elsworth, Kansas Marshal; Wichita, Kansas Deputy Policeman; Dodge City; Kansas Assistant Marshal; Pima County, Arizona Deputy Sheriff; Tombstone, Arizona Deputy Policeman/Assistant Marshal; Dodge City Peace Commissioner, U.S. Deputy Marshal in Arizona Territory. Died a natural death in California in 1929.

• John S. Eastman - U.S. Deputy Marshal commissioned at Newkirk, Oklahoma Territory in July, 1895 serving under Marshal Evett Nix.

• Hiram Eastwood - U.S. Deputy Marshal commissioned in the Southern District Court of Indian Territory at Paris, Texas.

• Frank Boardman “Pistol Pete” Eaton (1860-1858) - Cowboy, Indian fighter, U.S. Deputy Marshal, scout, and author, Eaton was one of the fastest draws in Indian Territory.

• D. Edmonds - U.S. Deputy Marshal commissioned on November 30, 1895, in the Western District at Fort Smith, Arkansas serving under Marshal George J. Crump.    

• Joe Edwards - U.S. Deputy Marshal working in the Choctaw Nation in 1888

• L. M. Edwards - U.S. Deputy Marshal commissioned on June 3, 1893 in the Western District at Fort Smith, Arkansas serving under Marshal George J. Crump.

• William "Dad" F. Egan (1832-1924) - Denton, Texas Sheriff and friend to Sam Bass, before Bass turned to his outlaw ways.

• Louis “Louie” Eichoff - U.S. Deputy Marshal commissioned at El Reno, Oklahoma Territory in July, 1894 under Marshal Evett Nix. 

• Hiram A. Elam - U.S. Deputy Marshal commissioned on January 8, 1870 in the District Court at Van Buren, Arkansas serving under Marshal William A. Britton. 

• James Elkins - U.S. Deputy Marshal commissioned in Oklahoma Territory in July of 1894 serving under Marshal Evett Nix. 

• C. E. Elkins - U.S. Deputy Marshal commissioned in Oklahoma Territory. In 1892, Elkins, along three other previously commissioned deputy marshals were arrested and charged with arson and murder for a fire in Lexington, Indian Territory where a man had lost his life. All of the former lawmen were arrested and charged with arson and murder. 

• George Elkins - U.S. Deputy Marshal commissioned in Oklahoma Territory. In 1892, Elkins, along three other previously commissioned deputy marshals were arrested and charged with arson and murder for a fire in Lexington, Indian Territory where a man had lost his life. All of the former lawmen were arrested and charged with arson and murder. 

• Jackson W. Ellis - U.S. Deputy Marshal commissioned in the Western District of Arkansas in 1885.  At the same time, he also served as an Indian Policeman in the Choctaw Nation. 

• D. B. Elliott - U.S. Deputy Marshal commissioned in the Western District at Fort Smith, Arkansas in March of 1894

• H. C. Elliott - U.S. Deputy Marshal commissioned in the Central District of Indian Territory in 1894. 

• Jake Elliott - U.S. Deputy Marshal commissioned in Indian Territory. He rode with U.S. several other deputy marshals to capture the Jennings Gang on November 29, 1895.

• Jess Elliott (18??-1892) - Deputy Sheriff of Rogers County, Oklahoma. He was killed by Bob Talton, who was later hanged for the murder.

• N. B. Elliott - U.S. Deputy Marshal commissioned in 1894 in the Western District at Fort Smith, Arkansas serving under George J. Crump

• John Ellis - U.S. Deputy Marshal commissioned on February 15, 1894 in the Western District at Fort Smith, Arkansas serving under Marshal George J. Crump. 

• Mitchell Ellis - U.S. Deputy Marshal commissioned  in 1889 in the Western District at Fort Smith, Arkansas serving under Marshal Jacob Yoes.  By 1894, Ellis was serving in the Muskogee District. 

• Vic Ellis - U.S. Deputy Marshal commissioned in Pawhuska, Indian Territory under Marshal Evett Nix. 

• William “Bill” Ellis - U.S. Deputy Marshal commissioned on October 30, 1889 in the Western District at Fort Smith, Arkansas. 

• J. E. Emmert - U.S. Deputy Marshal commissioned in the Central District of Indian Territory in 1894.  

• James N. Ennis - U.S. Deputy Marshal commissioned on November 28, 1887 in the Western District at Fort Smith, Arkansas serving under Marshal Jacob Yoes. 

• T. A. Ennis - U.S. Deputy Marshal commissioned in the Western District at Fort Smith, Arkansas serving under Marshal Jacob Yoes. 

• S. S. Ensey - U.S. Deputy Marshal commissioned out of the Southern District of Indian Territory at Paris, Texas in 1898. 

• Campbell Eoff - A U.S. Deputy Marshal and turnkey of the Fort Smith, Arkansas jail, Eoff was working when Cherokee Bill tried to escape on July 26, 1895.  In the melee, fellow turnkey, Larry Keating was killed. The escape attempt ended only when outlaw, Henry Starr, talked Cherokee Bill into giving up his weapon.

• David Alexander Eoff - U.S. Deputy Marshal commissioned on July 24, 1896 in the Western District at Fort Smith, Arkansas serving under Marshal George J. Crump. 

• T. J. Ernest - U.S. Deputy Marshal in Indian Territory. He was riding with U.S. Deputy Marshal, Famous Smith, in September, 1897, when the pair attempted to arrested a noted Texas outlaw named Dave Vaugh, who had been terrorizing the Illinois and Sequoyah Districts for several months.  However, Vaugh resisted arrest near Fort Gibson and pulled his guns. When the smoke cleared, the outlaw was dead.

• Frank Erskine - U.S. Deputy Marshal commissioned on November 24, 1893 in the Western District at Fort Smith, Arkansas, serving under Marshal George J. Crump.    

• B. T. Erwin - U.S. Deputy Marshal commissioned in Indian Territory in 1894.

• M. Erwin (18??-1858) - U.S. Deputy Marshal commissioned in the District Court at Van Buren, Arkansas.  In 1858, he was ambushed Fort Gibson, Indian Territory. He was the first  U.S. Deputy Marshal to be killed in Indian Territory.  .

• William J. Erwin - U.S. Deputy Marshal commissioned out of the Southern District of Indian Territory at Paris, Texas in 1897.  

• Wiley Escoe - An African-American U.S. Deputy Marshal commissioned in Indian Territory

• A. S. Eshelman - U.S. Deputy Marshal commissioned in the Western District of Arkansas in 1899.

• Will “Bill” Etherton – UU.S. Deputy Marshal assigned to the Cheyenne Reservation in Indian Territory.  On one occasion, Etherton arrested notorious outlaw, Bill Dalton, in a saloon at Stillwater, Oklahoma before transporting him to the Guthrie federal jail.  It was the last time the fugitive was ever arrested. However, he soon overpowered his jailer and made his escape only to be later killed by fellow U.S. Deputy Marshal.

• Evan Evans - U.S. Deputy Marshal commissioned in the Southern District Court of Indian Territory at Paris, Texas, in 1894. 

• Joseph W. Evans (1851-1902) - Wells Fargo Special Agent and U.S. Deputy Marshal in Arizona.

• William C. Everheart - U.S. Deputy Marshal commissioned in the Southern District Court of Indian Territory at Paris, Texas in 1895 and assigned to the Ardmore area. 

• Joseph Everidge - U.S. Deputy Marshal commissioned on August 6, 1889 in the Western District at Fort Smith, Arkansas serving under Marshal Jacobs Yoes. 

• Jasper Exendine - U.S. Deputy Marshal commissioned in the Western District at Fort Smith, Arkansas serving under Marshal Jacob Yoes.

• Solomon Exon - U.S. Deputy Marshal commissioned on May 24, 1869 in the District Court at Van Buren, Arkansas serving under Marshal William A. Britton. 

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