Assigned as Commanding Officer, Company L; (Company L Muster Roll -1 August 1917 to 19 December 1917)
Later to the 108th Train HQ & Mil Police on SS Leviathan sailed 22 May 1918 to France.

Prior Service:
- Served in Mexican War, Illiniois National Guard 28 June 1916.
- 1st Lieutenant assigned 2nd Infantry Illinois National Guard: 21 June 1899 to 3 November 1907.

- Company L Muster Roll Sep-Oct 1917 Camp Logan, Houston, Tx: Company L Commander. Enlisted 4 Nov 1909. - Muster Roll Nov-Dec 1917 Camp Logan, Houston Tx: Commissioned Major per telephone instruction A.G.(Adjudant General) of the Army dtd 19 Dec 1917.

WWI Victory Medal with battle Clasps
 

U.S., Army Transport Service, Passenger Lists
Name: Arthur L Hart
Gender: Male
Departure Date: 22 May 1918
Departure Place: Hoboken, New Jersey
Address: 210 North Hamlin Avenue
Residence Place: Chicago, Illinois
Spouse: Pearle A Hart
Ship: Leviathan
Military Unit: 108tn Hq & MP
Rank: Maj USNG Hq
Notes: 108th Train Hq & Military Police 33rd Division, USNG

Post War Occupations / Bio:

the 1910 United States Federal Census
Name: Arthur L Hart
Age in 1910: 31
Birth Year: abt 1879
Birthplace: Indiana
Home in 1910: Chicago Ward 13, Cook, Illinois
Street: West Van Maser Street
Race: White
Gender: Male
Relation to Head of House: Head
Marital status: Married
Spouse's Name: Pearl A Hart
Father's Birthplace: Ohio
Mother's Birthplace: Indiana
Native Tongue: English
Occupation: Clerk
Industry: Post Office
Employer, Employee or Other: Wage Earner
Home Owned or Rented: Rent
Farm or House: House
Able to Read: Yes
Able to Write: Yes
Years Married: 10
Out of Work: N
Number of weeks out of work: 0
Household Members:
Name Age
Arthur L Hart 31
Pearl A Hart 28
Zelletta M Hart 5
Frances Z Nichols 45
Frances M Nichols 16

the 1920 United States Federal Census
Name: Arthur L Hart
Age: 41
Birth Year: abt 1879
Birthplace: Indiana
Home in 1920: Colfax, Adams, Colorado
Street: E-6
Residence Date: 1920
Race: White
Gender: Male
Relation to Head of House: Patient
Marital status: Married
Father's Birthplace: Ohio
Mother's Birthplace: North Carolina
Able to Speak English: Yes
Occupation: Major
Industry: Recooperation Hospital
Able to Read: Yes
Able to Write: Yes

the 1930 United States Federal Census
Name: Arthur L Hart
Birth Year: abt 1879
Gender: Male
Race: White
Birthplace: Indiana
Marital status: Married
Relation to Head of House: Head
Home in 1930: Aurora, Adams, Colorado, USA
Street Address: E. Colfax Avenue
House Number: 11937
Home Owned or Rented: Owned
Home Value: 20000
Radio Set: Yes
Lives on Farm: Yes
Age at first Marriage: 21
Attended School: No
Able to Read and Write: Yes
Father's Birthplace: Ohio
Mother's Birthplace: Indiana
Able to Speak English: Yes
Occupation: None
Veteran: Yes
War: WW
Household Members:
Name Age
Arthur L Hart 51
Pearle A Hart 47
Jeelletta M Hart 25
Francis J Arihole 66

the 1940 United States Federal Census
Name: Arthur L Hart
Age: 62
Estimated Birth Year: abt 1878
Gender: Male
Race: White
Birthplace: Indiana
Marital status: Married
Relation to Head of House: Father-in-law
Home in 1940: Sable, Adams, Colorado
Inferred Residence in 1935: Aurora, Adams, Colorado
Residence in 1935: Aurora, Adams, Colorado
Institution: Fitzsimons General Hospital
Attended School or College: No
Highest Grade Completed: High School, 4th year
Weeks Worked in 1939: 0
Income: 0
Income Other Sources: Yes
Household Members:
Name Age
Hillas B Brockett 39
Zelletta M Brockett 35
Arthur L Hart 62
Pearle A Hart 57

WWII Draft Registration:

Death Information: Date; Age; Cause; Burial Location 

Find A Grave
Col Arthur L Hart
BIRTH 1878
Indiana, USA
DEATH 1963 (aged 84–85)
BURIAL Fairmount Cemetery
Denver, Denver County, Colorado