Orcinos C. Snyder was the son of Daniel Snyder who was born in Pennsylvania, and Jane (unknown) Snyder who was born in Virginia. They were pioneers to Ohio and then Missouri. Orcinos' parents died in Adair County, Missouri, and are buried at Bear Creek Cemetery in that county. Orcinos had the following known siblings:

William W. Snyder 1833-
Elizbeth V. Snyder 1835-1914
Hiram W. Snyder 1837-1925
John M. Snyder 1839-
Sandford Snyder 1845-1917
Ira N. Snyder 1847-1917

The Snyders were in Cass Township, Richland County, Ohio in the 1850 census:

Daniel Snyder 41, farmer
Jane Snyder 39
Elizabeth Snyder 15
Hiram Snyder 13
John Snyder 11
Orsinos Snyder 9
Sandford Snyder 7
Ira Snyder 2

By the time of the 1860 census, the family had moved to Benton Township, Adair County, Missouri:

Daniel Snyder 50, farmer
Jane Snyder 49
Orcinos Snyder 19
Sanford Snyder 16
Ira Snyder 12

Orcinos was in Iowa when he enlisted in the Civil War on July 12, 1861, Company H, Iowa 6th Infantry Regiment. He received 3 promotions during his time of service. (See full military history below.)

On January 16, 1866, in Adair County, Missouri, Orcinos Snider married Miss Mary Ellen Alexander.

1880 Census of Kirksville, Adair County, Missouri:

Orcinos C. Snyder 39, farmer, born Ohio
Mary E. Snyder 32, wife, born Missouri
Myrtle Snyder 9, daughter, born Missouri

First wife Mary died in 1887 and was buried at Bear Creek Cemetery northwest of Kirksville, Missouri. Orcinos married widow Hattie B. (Lawrence) Willard on January 9, 1895 in Kirksville, Adair County, Missouri.

1910 Census of Kirksville, Adair County, Missouri:

O. C. Snyder 69, no occupation
Hattie B. Snyder 49, wife (4 children; 2 living)
Louise Willard 17, step-daughter
William Wooley 25, roomer
__________

CIVIL WAR MILITARY RECORD

Roster & Record of Iowa Soldiers in the War of Rebellion - Roster 6th Iowa Vol. Infantry: 1888 Research by R. Ross Houston.

Name: Orcinos C. Snyder
Birthdate: abt 1841
Enlistment Date: 12 July 1861
Residence: Kirksville Missouri
Age at enlistment: 20 years old
State served: Iowa
Wounded: Yes
Survived the war: Yes
Enlisted on 7/12/1861 as a Private
On 7/17/1861 he mustered into "H" Co. Iowa 6th Infantry Regiment.
Promoted to Full Sergeant on Jan 1, 1864
Re-enlisted on 1/26/1864
Promoted to Full 1st Sergeant on Jan 1, 1865.
Promoted to Full 2nd Lieutenant on Jun 1, 1865.
Mustered Out Jul 21, 1865 at Louisville, Kentucky.
He was listed as:
Wounded 11/25/1863 Missionary Ridge, TN (Wounded slightly in face)
Wounded 6/27/1864 Kenesaw Mountain, GA (Wounded severely in shoulder)
Promotions:
Sergt 1/1/1864
1st Sergt 1/1/1865
2nd Lieut 6/1/1865 (Estimated day)
born in 1840 in Ohio
died in 1916

Sources: http://www.civilwardata.com/active/hdsquery.dll?SoldierHistory?U&1739398
http://www.rootsweb.com/~mocivwar/countyA.html
Ancestry.com