Here are my notes for William, from his entry in my family tree file- Rick Waggener:

From the 1900 Federal Census of Baker Township, district 69, sheet 7a, taken June 14, 1900, household 131; from ancestry.com, image 16 of 27:

Baker, W. F.; head of household, male, born- October 1870, age- 29, married 8 years, born- Missouri, parents born- Missouri, occupation- farmer, r/w's, owns home free of mortgage, home is a farm
------ Mollie; wife, female, born- January 1875, age- 25, married 8 years, mother of 2 children/ 2 children living, r/w's
------ Mabel; daughter, female, born- August 1895, age- 4, born- Missouri, parents born- Missouri
------ Opal; daughter, female, born- April 1900, age- 1/12., born- Missouri, parents born- Missouri

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William's death certificate was posted on-line by the State of Missouri:

Missouri State Board of Health
Certificate of Death
File no. 26930
Place of death: Marceline, Becklin Township, Linn County, Missouri
Name: William Franklin Baker
Residence: Bucklin, Mo.
Sex: male
Color: white
Marital status: married
Spouse: Mary Jane Baker
Date of birth: October 14, 1868
Age: 66 years, 9 months, 29 days
Occupation: mail messenger
Last worked: Aug. 13, 1835
Time in occupation: 2 years
Birthplace; St. Catharine, Mo.
Father's name: William Baker
Father's birthplace: Chariton Co., Mo.
Mother's maiden name: Sarah Jane McCollim
Mother's birthplace: Chariton Co., Mo.
Informant: Mrs. Pearl Ellis
Address: Bucklin, Mo.
Date of death: August 13, 1935
Cause of death: crushing of rt. chest, rupture of lungs
Further cause: accident, August 13, 1935, Bucklin, Mo., public place, railroad crossing, car was struck by passenger train
Burial: Bucklin, Mo.

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William and Mary Jane are buried in the Pleasant Grove South Baptist Cemetery in Bucklin, Linn County, Missouri; Lot 9, Block 3 #2. Their headstone reads:

Baker
Mary J. William F.
1875- 1944 1869- 1935

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