All we have on Allen is his Prisoner of War records. There is no record of his service from the muster rolls of the 7th Mississippi Infantry. Nor with the 7th Virginia Cavalry.

Allen Devier

Residence Rockingham County VA;
Enlisted as a Private (date unknown).
He also had service in:
"F" Co. VA 58th Militia (Prior service)
"I" Co. VA 7th Cavalry
"G" Co. MS 7th Infantry (May have served in this unit)
born in 1825

........

Giles H. Devier

Residence Rockingham County VA; a 41 year-old Farmer.
Enlisted on 4/26/1861 at Harper's Ferry, WV as a Private.
On 4/26/1861 he mustered into "B" Co. VA 7th Cavalry
He was discharged for disability on 2/4/1863
(Discharged for chronic rheumatism of the shoulder joint)
He was listed as:
* Absent sick 11/22/1862 (place not stated)
* Examined 1/1/1863 New Market, VA (Found medically unfit for duty)
He was described at enlistment as:
5' 8", dark complexion, brown eyes, grey hair
Other Information:
born 7/24/1820 in Rockingham County, VA
died 9/3/1906 in Harrisonburg, VA
(Post war editor and part owner of the Rockingham Register.
Brother of Hiram K. Devier.)
After the War he lived in Harrisonburg, VA

........

Hiram K. Devier

Residence Rockingham County VA; 23 years old.
Enlisted on 4/19/1861 at Harrisonburg, VA as a Private.
On 4/19/1861 he mustered into "B" Co. VA 7th Cavalry
(date and method of discharge not given)
He was listed as:
* Detailed 5/16/1862 Harrisonburg, VA (Taking prisoners to Staunton, VA)
* On rolls 12/15/1862 (place not stated) (Estimated day)
* On rolls 3/31/1864 (place not stated)
* Paroled 4/9/1865 Appomattox Court House, VA
Other Information:
born 1/8/1838 in Rockingham County, VA
died in 1897 in Dayton, VA
(Part owner of the Rockingham Register. Brother of Giles
H. Devier.)
After the War he lived in Rockingham County, VA

Sources used by Historical Data Systems, Inc.:
- The Virginia Regimental Histories Series

******************************************************************

Allen Devers, Private, Company I, 7th Virginia Cavalry (Ashby's Cavalry)
Reference Slip.
Cards filed with
Dever, Allen
Pvt. Co. G, 7th Miss. Inf.

Allen Dever, Private, Company G, 7th Mississippi Infantry,
captured near Rome, Ga. June 2/7/17, 1864 [card indicates 7th Virginia], sent to Military Prison, Louisville, Ky. and forwarded June 27 to Camp Morton, Indiana prison, received June 28, transferred for exchange February 19, 1865 to Point Lookout, Maryland prison, no other records

M269: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Mississippi

Record of Events, Company G, 7th Regiment Mississippi Infantry
Sept. & Oct., 1863, stationed near Chattanooga, Tenn.
. & Dec., 1863, stationed near Dalton, Ga.
Jan. & Feby., 1864, stationed near Dalton, Ga.
March & April, 1864, stationed near Dalton, Ga.
March 1 to Aug. 31, 1864, stationed near Lovejoy Station, Ga.

Had Allen been with the 7th Mississippi, he should have appeared on these muster rolls.

...........................

1860 United States Federal Census about Allen Devier
Name: Allen Devier
Age in 1860: 35
Birth Year: abt 1825
Birthplace: Virginia
Home in 1860: District 1, Rockingham, Virginia
Gender: Male
Post Office: Harrisonburg
Household Members:
Name Age
Allen Devier 35 Farmer
Nancy Devier 34
Allen Devier 14
Newton Devier 12
Lucy Devier 9
Frank Devier 7
Martha Devier 4
William Devier 2