Mary Dell Cassingham was born 22 Mar 1872 in La Harpe, Hancock, Illinois. She is the daughter of James Wesley Cassingham and Elizabeth Bagley Bryan. She died 28 Nov 1960 at age 88 in Dunkirk, Jay, Indiana. She is buried in La Harpe Cemetery, La Harpe, Hancock, Illinois.

On 12 Oct 1892, she married John MacMillan Lyon in La Harpe, Hancock, Illinois. He is the son of William Lyon and Margaret A. Barkley. He was born 2 Aug 1867 in Burlington, Des Moines, Iowa and died 25 Jun 1944 at age 76 in La Harpe, Hancock, Illinois. He is buried in La Harpe Cemetery.

Children of Mary Dell Cassingham and John MacMillan Lyon:

1. John Harvey Lyon was born 7 Jul 1893 in La Harpe, Hancock, Illinois. He died 18 Sep 1893 - at just 2½ months old - in La Harpe, Hancock, Illinois.
2. John Boyd Lyon was born 10 Oct 1894 in La Harpe, Hancock, Illinois. On 23 Oct 1917, he married Roberta Meriba Hartrick in Decatur, Macon, Illinois. She was born 26 Sep 1895 in Illinois and died in Sep 1984 at about age 89 in Macomb, McDonough, Illinois. John died 22 May 1983 at age 88 in Macomb, McDonough, Illinois.
3. Arthur Edgar Lyon was born 15 Aug 1899 in La Harpe, Hancock, Illinois.
4. Kenneth Cassingham Lyon was born 22 Jan 1908 in La Harpe, Hancock, Illinois.

Sources

Mary:

• Birth and Husband from her father's Biographical Sketch.
  
• Marriage from the Illinois Statewide Marriage Index, 1763 - 1900 where John is listed as "John W. Lyon."
• Birth, Death and Burial from grave marker.

John MacMillan: Birth, Death and Burial from grave marker.

John Boyd: Birth and Death from Social Security Death Index (SSN 489-01-5850). Last residence is assumed to be the deathplace.

Roberta Hartrick: Birth and Death from Social Security Death Index (SSN 429-96-5311). Last residence is assumed to be the deathplace.

Census Listings

The individuals in this family appear in the following census listings.

• Mary: 1880 Census. La Harpe, Hancock, Illinois. Page 31.
• John M.: 1880 Census. Burlington 4th Ward, Des Moines, Iowa. Page 243.
• 1900 Census. La Harpe City, Hancock, Illinois. Page 14.
• 1910 Census. La Harpe, Hancock, Illinois. Page 2.
• 1920 Census. La Harpe, Hancock, Illinois. Page 7.
• John B.: 1920 Census. St. Louis, Missouri. Page 7.
• John B.: 1930 Census. St. Louis, Missouri. Page 23.