Isabelle Crawford is the daughter of Richard Crawford and Anna Marie Pelton.

Per the 1930 U.S. Census, Isabelle Crawford resided in Scott Township, Sandusky County, Ohio with her parents and siblings. Listed are:
-Richard Crawford, age 48, born Ohio
-Anna M Crawford, age 32, born Ohio
-Berl J Crawford, age 12, born Ohio
-Beulah E Crawford, age 10, born Ohio
-Isabelle L Crawford, age 8 , born Ohio
-Elwood W Crawford, age 6, born Ohio
-Gomar T Crawford, age 1, born Ohio

In 1930, Isabelle's father is listed as first married at age 34. Her mother is listed as first married at age 18.
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In 1939, Isabelle married Amzy Louis Ottney, the son of Louis Albert Ottney and Fannie Locke.

Indiana, Marriages, 1811-1959, 1939
-Groom: Amzy Ottney
-Date of Birth: 8 Jan 1909
-Place of Birth: Ohio
-Residence: Bradner, Ohio
-Number of Marriage: 1
-Father: Lewis A Ottney
-Mother: Fannie Locke

-Bride: Isabelle Crawford
-Date of Birth: 22 Sep 1921
-Place of Birth: Ohio
-Residence: Butler, Indiana
-Number of Marriage: 1
-Father: Richard Crawford
-Mother: Anna Pelton
-Date of Marriage: 30 Sep 1939
-Place of Marriage: Dekalb County, Indiana

Per the 1940 U.S. Census, Isabelle and Amzy Ottney resided in Bradner, Wood County, Ohio with Amzy's mother. Listed are:
-Fannie Ottney, age 60, born Ohio, Divorced
-Amzy Ottney, age 31, born Ohio
-Isabelle Ottney, age 18, born Ohio, Daughter-in-law
-Rosalie Ottney, age 2/12, Grandchild
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Social Security Applications and Claims Index, 1936-2007
-Name: Isabelle Crawford Ottney
-Gender: Female
-Birth Date: 22 Sep 1921
-Birth Place: Rollerville, Ohio
-Death Date: 3 Oct 1990
-Father: Richard Crawford
-Mother: Anna M Pelton
-Notes:
--Aug 1941: Name listed as ISABELLE CRAWFORD OTTNEY
--Nov 1959: Name listed as ISABELLE LAFERN OTTNEY
--Jun 1993: Name listed as ISABELLE L OTTNEY