Dianna's notes:
James had a brother that married into my line and I researched this line for years to find info on my line.  Timothy (aka Thomas), and 2 other brothers enlisted together but James is the only one that returned of the 4.  Another brother, Stephen P Boswell, entered a different unit and returned home.

James Colten Boswell was the son of William and Susanna Ann (Bradford) Boswell.

James C Boswell

Invalid Certificate 750 670
Widows Certificate 627 168
 
James C. Boswell
Units D & G   110th Illinois Voluntary Infantry  & C 17 VPC
Enlisted August 13, 1862 in Company G 110th IL Voluntary Infantry under Captain Fox
Discharged June 30, 1865 at Indianapolis, Indiana
6 foot 2 inches tall, fair complexion, grey eyes, dark hair
He was born November 15, 1835 in Wayne Co., Illinois

Invalid pension filed May 7, 1877
Widows pension filed March 18, 1907 from Mount Vernon, Jefferson Co., Illinois
 
Married  Lucinda White on October 18, 1856 in Wayne Co., Illinois
She died June 3, 1859
 
2nd marriage  Sarah Malinda  Alexander on November 26,1865 by G. W. Grant, MG - Jefferson Co., Illinois
Children:
1. Harriett S. born December 22, 1866
 She died June 12, 1871
 
3rd marriage Margaret A.Gammon on October 26, 1872 by Henry Boark, MG according to James and on widows pension application the date is October 13, 1872.  Married in Wayne Co., Illinois
1. David, born January 29, 1874
 
Affidavits, Caroline Alexander Pasley, sister of Sarah M. Alexander Boswell, witnesses Mrs. Nellie Boswell and Mrs. Maggie Medders;
Cynthia J. Johnson of Four Mile, affidavit for 1st marriage.
 
He died March 7, 1907 - most likely in Jefferson Co., Illinois
Margaret died June 27, 1913 at Mt. Vernon, Jefferson Co., Illinois
 
Jerilyn's Comment:
 
Only children living at the time of his application were Harriett S & David.
 
One place said that his wives were Malinda White and Lucinda Alexander, but I think the one affidavit clears this up.
 
I don't understand how the county sends one marriage date and both James and Margaret insist it was the 13th.
 
In the 1880 census they are in Four Mile, Wayne Co., Illinois  James is 44, Margaret 34, Susan 13, William 11 & David 6.  Children born in Illinois, James in Illinois and Margaret in Tennessee.
 
In the 1870 census they are in Four Mile, Wayne Co., Illinois.  James is 35, born in Illinois, Sarah M. is 23, born in Tennessee, Harriett S. 3, born in Illinois and William 1, born in Illinois
 
In the 1860 census he is age 24, born in Illinois and listed with probably his parents, Wm Boswell & family.