Military related information:

Service Number -1868312

1917 December 14: Entered military.

1918 March: Transferred to 2nd HMORS from 20th Provisional Ordance Depot, Camp Hancock, Georgia.

"HMORS unit" refers to a World War I-era Heavy Mobile Ordnance Repair Shop from the US Army.
They were deactivated after the conclusion of World War I. Here is an overview of the HMORS units in WWI:
Purpose: These units were created by the Ordnance Department to provide field support for artillery units on the front lines. The shops handled heavy-duty repairs and maintenance for large equipment.
Formation: They were assembled in the United States using a combination of Regular Army personnel and volunteers with relevant skills, such as machinists and mechanics.

1918 Enroute to France: AWOL Co. B. 340th INF, 85th DIV. Also AWOL Second (HMORS) Heavy Mobile Ord Repair Shop. with Overseas Casual Co #392.

The "2nd HMORS" unit refers to the 2nd Mobile Ordnance Repair Shop during World War I, an attached support unit for the 35th Division. The "2nd Mobile Ordnance Repair Shop" is not an official or widely documented U.S. Army unit during World War I. However, during WWI, the Army's Ordnance Corps established forward maintenance units to support troops by repairing weapons and equipment closer to the front lines.

30 November 1918 Company L Roster; Listed as joined Nov. 2nd.

24 April 1919 Enroute to USA: Casuals Sick & Wounded, Det #215, Brest. Walking Patients Requiring No Dressings.

Company L Roster November 1918 A.E.F.: Listed as Private. - Company Roster December 1918 A.E.F. Junglinster, Luxembourg: Listed as Private. - Company Roster February 1919 A.E.F. Gonderange, Luxembourg: Listed as Private. Absent Sick 22 January 1919. - Company Roster March 1919 A.E.F. Gonderange, Luxembourg: Listed as Private. Absent Sick since 22 January 1919. - Company Roster April 1919 A.E.F.: Listed as Private. Absent Sick since 22 January 1919.

WWI Victory Medal with battle Clasps unknown
 

To France (AWOL Did not sail):
U.S., Army Transport Service, Passenger Lists
Name: William Jordy
Departure Date: 23 Jul 1918
Departure Place: Brooklyn, New York
Address: 322 East 89th St
Residence Place: New York, New York
Father: William H Jordy
Ship: Vestris
Rank: Private
Service Number: 1868312
Notes: Company B 340th Infantry

To France:
U.S., Army Transport Service, Passenger Lists
Name: William Jordy
Departure Date: 17 Sep 1918
Departure Place: Brooklyn, New York
Address: 322 E 89th St
Residence Place: New York, New York
Father: William H Jordy
Ship: Nestor
Military Unit: UNASSIGNED
Rank: Private
Service Number: 1868312
Notes: Overseas Casual Company #392

Return to US:
U.S., Army Transport Service, Passenger Lists
NAME: William H. Jordy
DEPARTURE DATE: 24 Apr 1919
DEPARTURE PLACE: Brest, France
ARRIVAL DATE: 6 May 1919
ARRIVAL PLACE: Hoboken, New Jersey
ADDRESS: 322 E. 89 St.
RESIDENCE: New York, New York
SHIP: PRESIDENT GRANT
MILITARY UNIT: CO.L.132 INF.
RANK: Private
SERVICE NUMBER: 1868312
NOTES: CASUALS. SICK AND WOUNDED. DETACHMENT NO. 215 BREST

VA Master Index:

Post War Occupations / Bio:

Born New York 1897

Died New York 1919 age 22 Laborer

Death Information: Date; Age; Cause; Burial Location 

Death • New York, New York City Municipal Deaths
Name William Jardy (JORDY)
Sex Male; Age 22; Birth Year (Estimated) 1897
Birthplace US
Burial Date 31 Aug 1919
Burial Place St Michaels
Marital Status Single
Occupation Laborer
Race White
Father's Name William H Jardy
Father's Birthplace US
Mother's Name Elizabeth Weisenbach
Mother's Birthplace US
Death Event Date 28 Aug 1919
Event Place Manhattan, New York City, New York, United States
Event Place (Original) Manhattan, New York, New York, United States
Certificate Number cn 24722
Note: Bellevue Hospital

Miscellaneous:

Born:
William Henry Jordy
Father's Name: Wm. Henry Jordy; Father's Age 30; Father's Birthplace U.S.
Mother's Name: Elizabeth Weissenbach; Mother's Age 25: Mother's Birthplace U.S.
Birth Event Date 03 Apr 1897
Event Place Manhattan, New York, New York, United States
Event Place (Original) Manhattan, New York Source Details cn 16384

Parents and Siblings
William Henry Jordy 1863–1925
Elisabeth Weisenbach 1872–Deceased

Marriage: 14 Jan 1893 Manhattan, New York City, New York, Vereinigte Staaten von Amerika.
Children (8)

Ruth Elizabeth Jordy
Female
1893–Deceased

Lewis Jordy
Male
1895–Deceased

William Henry Jordy
Male
1897–1919

Elizabeth Jordy
Female
1899–1920

Gertrude Jordy
Female
1902–1909

Margaret Jordy
Female
1905–Deceased

George Jordy
Male
1908–Deceased

Mary Jordy
Female
1912–Deceased

1910 New York Census: Age 13
Name William H Jordy Jr. Age 13
Birth Year (Estimated) 1897
Birthplace New York
Relationship to Head of Household Son
Father's Birthplace Pennsylvania
Mother's Birthplace New York
Event Place Manhattan Ward 12, New York, New York, United States
Event Place (Original) Manhattan Ward 12, , New York
Sheet Letter A Sheet Number 18 Affiliate Film Number 1016 Affiliate Publication Number T624
Affiliate Name The U.S. National Archives and Records Administration (NARA)

Research in process