Re: Ellen Seymour Loomis

Hi again.Actually, that 1st marriage may be helpful.I found it on Familysearch.org:

Massachusetts Marriages, 1841-1915 for Calista S. Carter

Name:        Dustan D. Hanson
Titles & Terms: Physician       
Event:        Marriage
Event Date:        15 Jun 1850
Event Place:        Boston, Massachusetts, United States
Gender:        Male
Age:        22
Marital Status:        
Race:        
Birth Date:        
Birthplace: Albany, VT       
Marriage Registration Year:        
Marriage Registration Place:        
Estimated Birth Year:        1828
Father:        John Hanson
Father's Titles & Terms:        
Mother:        
Mother's Titles & Terms:        
Spouse:        Calista S. Carter, of Lowell, Mass
Age: 27
Born: Newbury, VT
Spouse's Titles & Terms:        
Spouse's Race:        
Spouse's Marital Status:        
Spouse's Father:        William
Spouse's Father's Titles & Terms:        
Spouse's Mother:        
Spouse's Mother's Titles & Terms:        
Record Number:        38
Film Number:        1432876
Digital Folder Number:        4279731
Image Number:        00066
Number of Images:        

So, we know according to this marriage record that his father's name was John.

Here a birth record for their daughter, Julia:

Massachusetts Births, 1841-1915 for Dustin D. Hanson

Name:        Julia Hanson
Titles & Terms:        
Event:        Birth
Event Date:        17 Aug 1857
Event Place:        Boston, Massachusetts
Gender:        
Race:        
Registration Date:        
Registration Place:        
Christening Date:        
Christening Place:        
Christening Age:        
Death Date:        
Death Age:        
Father:        Dustin D. Hanson
Father's Titles & Terms:        
Father's Birthplace:        
Father's Age:        
Mother:        Calista S.
Mother's Titles & Terms:        
Mother's Birthplace:        
Mother's Age:        
Paternal Grandfather:        
Paternal Grandmother:        
Maternal Grandfather:        
Maternal Grandmother:        
Additional Relatives:        
Volume/Page/Certificate Number:        p 90
Film Number:        1420936
Digital Folder Number:        4341180
Image Number:        191

She also seems to be be registered as being born in Conn:

Connecticut Births and Christenings, 1649-1906 for D. D. Hanson

Name:        Hanson
Gender:        Female
Baptism/Christening Date:        
Baptism/Christening Place:        
Birth Date:        18 Aug 1857
Birthplace:        Hartford, Hartford, Connecticut
Death Date:        
Name Note:        
Race:        
Father's Name:        D. D. Hanson
Father's Birthplace:        
Father's Age:        
Mother's Name:        Calista S. Hanson
Mother's Birthplace:        
Mother's Age:        
Indexing Project (Batch) Number:        I02121-3
System Origin:        Connecticut-EASy
Source Film Number:        1313829
Reference Number:        23

Hope this helps you in your search.I would also urge you to obtain those civil war records because they may contain invaluable information.Annie