In 1910 United States Federal Census
Nancy C Brewer
Gender: Female
Birth: Circa 1859 Arkansas, United States
Residence: 1910 Justice Precinct 6, Dallas, Texas, USA
Age: 51
Marital status: Married
Race: White
Ethnicity: American
Husband: James W Brewer
Children: Robert S Brewer
Daisy Brewer
Benjamin F Brewer
Bertie Brewer
Census 1910, Township Justice Precinct 6 Series T624 Image 570, County Dallas Sheet 6-A , State Texas Family 109 , Date 1910 Line 38
11 (Sheet 6-A) of 18
Household
Head James W Brewer 47
Wife Nancy C Brewer 51
Son Robert S Brewer 27
Daughter Daisy Brewer 14
Son Benjamin F Brewer 12
Daughter Bertie Brewer 7

In 1920 United States Federal Census
Nancy C Brewer
Gender: Female
Birth: Circa 1860 Arkansas, United States
Residence: 1920 Dallas, Texas, USA
Age: 60
Marital status: Married
Race: White
Ethnicity: American
Can read: No
Can write: No
Father's birth place: United States
Mother's birth place: United States
Husband: James W Brewer
Children: Ben F Brewer, Bertie M Brewer
Census 1920, County Dallas Series T625 Line 93, State Texas Sheet 17-B Image 1088, Date 1920 Family 128 , 33 (Sheet 17-B) of 52
Household
Head James W Brewer 67
Wife Nancy C Brewer 60
Son Ben F Brewer 21
Daughter Bertie M Brewer 18

Nancy Caroline Brewer shows up in the 1940 Census just after her daughter, Birtie Roberts, family.

In FamilySearch Family Tree
Nancy Caroline Brewer (born Earls)
Gender: Female
Birth: Dec 6 1858 Kentucky, United States
Marriage: Between Jan 1880 and Dec 1880 Arkansas, United States
Residence: 1870 Marion, Arkansas, United States
Residence: 1900 Township 6 N. Range 27 E., Choctaw Nation, Indian Territory, United States
Residence: 1910 Justice Precinct 6, Dallas, Texas, United States
Residence: 1920 Justice Precinct 6, Dallas, Texas, United States
Parents: Alfred Earls, Melissa Jane Earls (born McGee)
Husband: James William Brewer
Children: Robert Solomon Brewer, Robert C Brewer, Martha J. Brewer, Noma M. Brewer, Knoma M Taylor (born Brewer), Daisy Elizabeth Cavender (born Brewer), Benjamin Franklin Brewer, Bertie May Roberts (born Brewer)
Siblings: John Stephen Earls, Rita Ann Sinor (born Earls), Sarah Frances Brewer (born Earls), Martha J Earls