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There is a website availlable to search for ancestors. It is familysearch.org. It is FREE...you just need to register and you can search. Please do not hesitate to ask if you need further assistance.Clice below for a page with Doris Clausen's information to get you starred.
Is Clausen her maiden name or her married name?
I found records for Doris Louise Sederberg married to Stanley William Clauson.
She was born 23 Apr 1913 in Crawford Co, Arkansas and died in Seattle Washington 18 Jan 1993. Her last residence was listed as Kitsap, WA.
Is this the person you are looking for.
Could this be who you are referring to?
Name: Doris L Clauson Gender: Female Age: 79 Birth Year: abt 1914 Residence Place: Kitsap, Washington, USA Death Date: 18 Jan 1993 Death Place: Seattle, Washington Certificate Number: 004485
Dear Ms. Cantere,
Thank you for posting your request on History Hub!
The Federal Government does not ordinarily create or maintain birth, death, marriage or divorce records. Such records are made and kept by State and local governments rather than the National Archives. We suggest that you search the Washington State Digital Archives for information and /or contact the Washington State Department of Health to request a search for the birth record of Doris Clausen. Also, please review the FamilySearch Research wiki for Washington Genealogy.
We hope this is helpful. Best of luck with your research!