Since Margaret was married at age 17, based on the 1930 census data, one might expect that she lived in Massachusetts at the time.
Christina Campbell (age 9), with siblings John, Daniel, Peter, Pearl, Ruth and Jeanette, lived with parents, John W. and Jennie Campbell in Boston, Massachusetts in 1920. The census said that they had immigrated from Prince Edward Island in 1910. 
1940: living on Baldwin Street in Boston, Suffolk Co., Massachusetts. Age 29. Lived in same place in 1935.
Thank you to Dillon Gray for creating WikiTree profile Campbell-7677 through the import of Gray Family Tree (2).ged on Aug 19, 2013. Click to the Changes page for the details of edits by Dillon and others.
Campbell-14759 was created by O Westgarth through the import of ged 15.GED on Jul 6, 2015.
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Margaret is 22 degrees from Johnny Cash, 24 degrees from Patsy Cline, 26 degrees from Gordon Kirkpatrick, 37 degrees from Ruby Hunter, 29 degrees from Reg Lindsay, 18 degrees from Don Messer, 32 degrees from Charley Pride, 22 degrees from Hank Williams, 25 degrees from Tammy Richie and 21 degrees from Laura DeSpain on our single family tree. Login to find your connection.