The daughter of Alpheus Theodore Ingraham and his wife Henrietta E. Moats.

She married 9 Aug 1904, Taylorville, Christian Co., Illinois to Luther Smith McWilliams.

In 1910, they were living in Schuyler Co., IL with their two young daughters:

1910 census, Frederick, Schuyler, Illinois
self Luther S Mc Williams M 28y Kentucky
wife Mary B Mc Williams F 24y Illinois
dau Mamie Mc Williams F 5y Illinois
dau Marie Mc Williams F 1y 8m Illinois

About 1914 they moved to Roome Township, Polk Co., Minnesota:

1920 census, Polk Co., Minnesota
self Luther S Mcwilliams M 37y Kentucky
wife Mary B Mcwilliams F 33y Illinois
dau Mamie Mcwilliams F 14y Illinois
dau Marie Mcwilliams F 11y Illinois
son Raymond E Mcwilliams M 9y Illinois
dau Hazel H Mcwilliams F 7y Illinois
son Wallace V Mcwilliams M 4y8m Minnesota
son Roy G Mcwilliams M 1y9m Minnesota

1930 census, Roome Township, Polk Co., Minnesota
head L S Mc Williams M 48 Kentucky
wife Mary Mc Williams F 44 Illinois
daughter Hazel Mc Williams F 17 Illinois
son Wallace Mc Williams M 15 Minnesota
son Roy Mc Williams M 12 Minnesota
son Donald Mc Williams M 4 Minnesota
daughter Jean Mc Williams F 1 Minnesota
daughter Joyce Mc Williams F 1 Minnesota

1940 census, Roome Township, Polk Co., Minnesota
head L S Mcwilliams M 57 Kentucky
wife Mary B Mcwilliams F 54 Illinois
son Donald R Mcwilliams M 14 Minnesota
daughter Jean E Mcwilliams F 11 Minnesota
daughter Joyce E Mcwilliams F 11 Minnesota
lodger Louis Brandt

Children:

1. Mamie McWilliams, b. 1906, Schuyler Co., IL

2. Marie McWilliams, b. 1909, Schuyler Co., IL

3. Raymond E McWilliams, b. 1911, Schuyler Co., IL

4. Hazel H McWilliams, b. 1913, Schuyler Co., IL

5. Wallace V McWilliams, b. 1915, Polk Co., MI

6. Roy G McWilliams, b. 1918, Polk Co., MI

7. Donald McWilliams, b. 1926, Polk Co., MI

8. Jean McWilliams, b. 1929, Polk Co., MI

9. Joyce McWilliams, b. 1929, Polk Co., MI