23 when he married in 1852

Wife a widow in the 1901 Census.

Scored out of GVRBs in 1897.

No death at Irish Genealogy or GRONI.

Says she is 66 in 1901, which would make her 17 when her first child was born... so no.  82 in 1911.

Church Baptism Record
Name:    Robert Gordon    Date of Birth:    11-Oct-1852
         Date of Baptism:    12-Dec-1852
Address:    Lislea    Parish/District:    FIRST KILREA
Gender:    Male    County    Co. Derry
Father:    James Gordon    Mother:    Mary Campbell
Occupation:            
Sponsor 1 /
Informant 1:    
Sponsor 2 /
Informant 2:    
Notes:

Date of Birth from 1901 census.

Could this be him:
Church Baptism Record
Name:    Thomas Gordon    Date of Birth:    
         Date of Baptism:    07-Jan-1855
Address:    Lislea    Parish/District:    FIRST KILREA
Gender:    Male    County    Co. Derry
Father:    James Gordon    Mother:    Mary Campbell
Occupation:            
Sponsor 1 /
Informant 1:    
Sponsor 2 /
Informant 2:    
Notes:

Or this:
Church Baptism Record
Name:    Thomas Gordon    Date of Birth:    
         Date of Baptism:    09-Nov-1856
Address:    Lislea    Parish/District:    FIRST KILREA
Gender:    Male    County    Co. Derry
Father:    James Gordon    Mother:    Mary Campbell
Occupation:            
Sponsor 1 /
Informant 1:    
Sponsor 2 /
Informant 2:    

DoD from Wills Calendar in Derry Probate Office, where Letters of Administration were awarded to Thomasina Gordon, valued at £559.15.0.

Title:    
Forename:  Thomas   
Surname:  Gordon   
Alt Surname:    
    Date Of Death:  31/01/1903   
Date Of Grant:  04/06/1903   
Effects:  Effects £559 15s.   
Registry:  Londonderry    
Full Abstract:
Administration of the estate of Thomas Gordon late of Lislea County Londonderry Farmer who died 31 January 1903 granted at Londonderry to Thomasina Gordon Widow.

Name    THOMAS GORDON
Year of Death    1903
Group Registration ID    4613650
SR District/Reg Area    Coleraine
Deceased Age at Death    44
Image
Oh dear, his death cert contains a note from the coroner saying he died of brain injury due to being thrown from his horse while under the influence of drink.