Margaret McGuire Duncan 1896–1976
She is not Goldie's mom, she's her step-mom.
I've not been able to find yet what happened to her mom Annie Dee Todd who was divorced from her husband before the 1910 census.

1910 United States Federal Census
Name: Goldie M Duncan
Age in 1910: 9
Birth Year: abt 1901
Birthplace: Missouri
Home in 1910: Dolan, Cass, Missouri
Race: White
Gender: Female
Relation to Head of House: Granddaughter
Marital Status: Single
Father's Name: George W Duncan
Father's Birthplace: Missouri
Mother's Birthplace: Missouri
Household Members: Name Age
John A Duncan 77
Elizabeth Duncan 73
Joseph C Duncan 45
George W Duncan 35
Goldie M Duncan 9

Missouri Marriage Records, 1805-2002
Name: Goldie Duncan
Age: 17
Birth Date: abt 1900
Marriage Date: 26 Sep 1917
Marriage Location: Harrisonville, Cass, Missouri
Marriage County: Cass
Spouse Name: Mr Jess Mclanahan
Spouse Age: 25
Spouse Birth Date: abt 1892
Father's Name: G W Duncan

1930 United States Federal Census
Name: Goldie Mclandhan [Goldie McLanahan]
Gender: Female
Birth Year: abt 1901
Birthplace: Missouri
Race: White
Home in 1930: Polk, Cass, Missouri
Marital Status: Married
Relation to Head of House: Wife
Spouse's Name: Jese J Mclandhan
Father's Birthplace: Missouri
Mother's Birthplace: Missouri
Household Members: Name Age
Jese J Mclandhan 37
Goldie Mclandhan 29
Berndine Mclandhan 11
Everett Mclandhan 9
Ester Mclandhan 8
James W Mclandhan 6
Anna L Mclandhan 4
Mary L Mclandhan 2
Louise Mclandhan 0

1940 United States Federal Census
Name: Goldie M Mc Lanahan
Age: 39
Estimated Birth Year: abt 1901
Gender: Female
Race: White
Birthplace: Missouri
Marital Status: Married
Relation to Head of House: Wife
Home in 1940: Kingsville, Johnson, Missouri
Street: Rural North West Quarter Of Kingsville Township
Inferred Residence in 1935: Rural
Residence in 1935: Rural
Sheet Number: 3B
Occupation: House Work
Industry: House Keeper
Attended School or College: No
Highest Grade Completed: High School, 1st year
Hours Worked Week Prior to Census: 72
Class of Worker: Working on own account
Weeks Worked in 1939: 52
Income Other Sources: No
Household Members: Name Age
Jesse J Mc Lanahan 49
Goldie M Mc Lanahan 39
Everette M Mc Lanahan 19
Esther M Mc Lanahan 17
James W Mc Lanahan 16
Anna Lee Mc Lanahan 14
Mary Lou Mc Lanahan 12
Ruby Maril Mc Lanahan 10
Robert Wayne Mc Lanahan 8
Joseph C Mc Lanahan 4
Daris Jean Mc Lanahan 1

Social Security Death Index
Name: Goldie McLanahan
SSN: 489-30-5849
Last Residence: 64040 Holden, Johnson, Missouri, United States of America
Born: 1 Mar 1901
Died: Sep 1967
State (Year) SSN issued: Missouri (Before 1951)