I transcribed the 1900 census record for James Charles Cannon as follows:

1900 Census, Pilot Township, Kankakee County, Illinois; T623 Microfilm: 312 Book: 2 Page: 330
Cannon, J. Charley, Head, Apr 1861, 39, m13yrs, IA OH IN, Farm Laborer
Mary I, Wife, Feb 1866, 34, 6 ch, 5 livg, MO OH IL,
Gracie, daughter, July 1887, 12, IL, At school
Maylenia ?, daughter, Mar 1899, 11, IN, At school
Nettie, daughter, Mar 1893, 7, IL, At school
Chester B., son, Sept 1895, 4, IL
Martiel C., daughter, Dec 1897, 2, IL
Wright, Joseph, Boarder, June 1825, 74, Wd, Ireland Ireland Ireland, immigr 1850

You probably already have this, but here is the transcription of his obituary (I received a copy of the obit with no newspaper source or date):

James Charles Cannon, 78, of Walkerton, rural route No. 2, died at the Holy Family hospital at 11 o'clock last night following an illness of two years. His wife Mary preceeded him in death by 11 days. Mr. Cannon was born in Porter County, near Valparaiso, April 23 1861 and had lived near Walkerton for 40 years. He was a retired farmer. Mr. Cannon belonged to the Methodist Church. Surviving are one son Chester, Rock Falls, Ill; four daughters, Mrs. Laurence Tarnow, Laporte ; Mrs. Frank DeWolfe, Laporte; Mrs. Victor Roose, Davenport, Ia; Mrs. Martuyle Perrigo, fish lake; two sisters Mrs. William Munger, Michigan City; Mrs. Anna Trask, Kingsbury; three brothers Richard and Frank Cannon both of Kingsbury; John Cannon, Gary; 26 grandchiildren and three great grandchildren. Funeral services will be held Saturday afternoon at 2 o'clock at the O. M. Haverstock chapel, the Rev. W. E. Clarke officiating. Burial will be in the Kingsbury Cemetery. The body may be viewed from tomorrow morning until time for the rites at the Haverstock Chapel.

And here is the transcription of the obit for his brother George:
George H. Cannon, age 75, Kingsbury, World War veteran, passed away at 11:30 a.m. yesterday at his home after an illness of two days. The son of Mr. and Mrs. William Cannon, he was born in Valparaiso on December 11, 1857, moving to Kingsbury 15 years ago from Kankakee, Illinois. He was married in 1886 to Mattie Flayhart. Mr. Cannon was a school teacher and newspaper editor before serving as a mechanic in Company L of the 129th U.S. Infantry. He was a member of the Kankakee Christian Church and of the Masonic Lodge of Kingsbury and the Odd Fellows of Michigan City. Surviving are two sisters. Mrs. Anna J. Trask and Mrs. Lillie M. Munger of Kingsbury, and four brothers, Charles and Frank Cannon of Kingsbury, John Cannon of Gary, and Richard Canon of Westville. Funeral services will be held at the Kingsbury Baptist Church tomorrow afternoon at 2 o'clock Standard time, the Rev. Wyman A. Hull officiating. The body may be viewed at the O. M. Haverstock chapel here until 1 p.m. tomorrow. Burial will be in Kingsbury Cemetery.