If Margaret was the daughter of John Hampton and Melinda Alexander (as it seem most families has her as Alexander) then she must have been married before because her marriage record to Daniel Ary states that her name is Magaret J Goodwin.

Marriage Record; Perry Co., TN
Name: Magaret J Goodwin
Gender: Female
Marriage Date: 28 Nov 1869
Marriage Place: Perry, Tennessee, USA
Spouse: Daniel Eary

Death Record
Name: Margaret Alexander Crading (Another name)
Birth Date: abt 1850
Death Date: 22 Sep 1917
Death Place: Bankston, Fayette, Alabama
Death Age: 67
Gender: Female
Father Name: Ha?? Alexander (Hampton?)
Mother Name: Malinda
FHL Film Number: 1908182

1850 District 12, Walker, Alabama
John H Alexander 27, Malinda Alexander 27, Rachel E Alexander 4, Margarett J Alexander 2, Aramenta K Alexander 1.

1860 Eastern Division, Walker, Alabama
John H Alexander 36, Malinda Alexander 26, Rachal E Alexander 14, Margaret J Alexander 12, Araminta K Alexander 10, John B Alexander 8, Joseph M Alexander 5, Mary J Alexander 3, Ezekiel P Alexander 1.

1870 District 9, Perry, Tennessee
Daniel Ary 20 b. TN 1850, Margaret Ary 19 b. TN 1849, S Goodan 88. (This probably is Goodwin, maybe Margaret's Grandmother.)

1900 Corona, Walker, Alabama
Daniel Ary 48 Father's Birthplace: TN
Margret Ary 50 Father's Birthplace: NC Mother's Birthplace: TN, Malinda Ary 26, Margret Ary 22, Thomas Ary 20, John R Ary 19, Henry L Ary 17, Ezcke S Ary 13, Sophia P Ary 10, Emily A Ary 7.

1910 Fords, Fayette, Alabama
Daniel Ary 58, Margaret Ary 60, Malinda Ary 35, Magaret S Ary 32, Thomas Ary 30, John R Ary 28, Annie Ary 16.

1920 Forde, Fayette, Alabama
Daniel Ary 68 Father's Birth Place TN
Wife Margaret died in 1917
Margarette S Ary 42 daughter, John R Ary 38, Emly A Ary 27, Mary J Deason 61 Sister-in-law.

Death Record
Name: Margaret Ary
Death Date: 25 Sep 1917
Death County: Fayette
Volume: 16
Roll: 1
Page #: 40