John Lawrence Cassingham


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John Lawrence Cassingham is the son of Carl Cassingham and Ethel Erwin Ryan. Larry, as he is known, was born 22 Dec 1918 in Carlsbad, Eddy, New Mexico. He died 23 Dec 2007 -- one day after his 89th birthday -- in Portola Valley, San Mateo, California.

In 1954, he married Marjorie Ellen Berg in California. Marge, as she is known, was born in 1924 in California. She is the daughter of John William Berg and Gladys Nilsen. She had previously been married to Charles Lee Dailey from whom she was divorced in 1948.

Children of John Lawrence Cassingham and Marjorie Ellen Berg:

  1. Curtis Lawrence Cassingham was born in 1954 in California.
  2. Brian William Cassingham was born in 1956 in California.
  3. Randall Carl Cassingham was born in 1959 in California.


Information for this family provided personally by Marjorie (Berg) Cassingham.


Larry's son, Curtis, has created a fascinating web page about Detectron, one of Larry Cassingham’s companies. Check it out out here.

Census Listings

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


We are actively seeking more information on the individuals listed here (and their descendants). If you have any additional information, photographs or documents to share: please e-mail me (
Daniel Edwards

Last Updated: Thursday, November 17, 2011.