Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
Smith, Ira W. - 1SGT - Co D - 4 IL US CAV
Join, 03Aug1861- Joliet, IL; Age, 27;
Promoted to 2LT
Smith, Ira W. - 2LT - Co D - 4 IL US CAV
Mustered in, 01Jun1862- Memphis, TN; Age, 28
Promoted Captain
Smith, Ira W. - CPT - Co D - 4 IL US CAV
Join, 14Apr1864 - Natchez, MS; Age, 29
Trans to Captain, Co E as Consolidated
Smith, Ira W. - CPT - Co E - 4 IL US CAV CON
Join, 17OCT1864; Age, 30
Trans to Captain Co M 12 ILL CAV
Smith, Ira W. - CPT - Co M - 12 IL US CAV CON
Resigned 01Dec1865
American Civil War Soldiers (ancestry.com)
Civil War Soldiers & Sailors System Search Detail (National Park Service):
Civil War Pension Index (ancestry.com):
Smith Ira W.
Widow - Smith, Ella B.
Service - M 12th Ill. Cav; D & E 4th Ill. Cav.
Date of filing - 1897Jul19; Invalid; App'l #1194938; Ill.
1899Jul3; Widow; App'l #701469; Cert. #564645; Ill.
National Graves Registration Database (Sons of Union Veterans of the Civil War):
Smith, Ira W. - 4 Illinois Cavalry
Died, 05Jun1899; Buried, Custer Park, Will County, Illinois
Will County Illinois USGenWeb Necrologist Reports (© 2002 The ILGenWeb Project All Rights Reserved):
June 9, Capt. Ira W. Smith, of Custer township, aged 66 years. He enlisted in the war of the rebellion and made a good soldier.
Headstone Reading,Published Obituaries:
Additional Biographical Material:
1860-Reed (Wilmington P.O.), Will Co, IL - Ira Smith Household
Ira Smith, 25, born-Ohio; Sarah, 22 (+ 8 farm hands)
1870-Wesley, (Wilmington P.O.), Will Co, IL - Ira Smith household
Ira Smith, 37, born-Ohio; Ella, 24 (+7 house servants and farm hands)
1880-Custer, Will Co, IL - ?.W. Smith Household
?. W. Smith, 45, born-Ohio; Ella (wife), 34;
F.B.(dau),9; Katy (dau), 4
1900-Custer, Will Co, IL - Ella B. Smith household
Ella B. Smith (widow), 55; Kittie (dau), 24; Ira W (son), 13