geoval75 on Family Tree Circles

Looking for death date for Helen Devlin nee Droulin? born Donegal, Ireland abt, 1801 and her husband, Daniel Devlin born Donegal, Ireland abt. 1801. See census records below:
1841 Scotland Census
Civil parish: Greenock Cartsdyke
County: Renfrewshire
Address: Stanners
Parish Number: 564
Name: Daniel Divlin
Age: 40
Estimated Birth Year: abt 1801
Where born: Ireland
Occupation: Lab
Household Members:
Daniel Divlin 40 born abt. 1801 Ireland
Nilly Divlin 40 born abt. 1801 Ireland
Nilly Divlin 16 born abt. 1825 Ireland
Daniel Divlin 14 born abt. 1827 Ireland
Patrick Divlin 12 born abt. 1829 Ireland
John Divlin 10 born abt. 1831 Ireland
Cathrine Divlin 7 born abt. 1834 Ireland
Hellen Divlin 5 born abt. 1836 Ireland
Grace Divlin 2 born abt. 1839 Renfrewshire, Scotland1851 Scotland Census
Parish Number: 564
Civil parish: Greenock East
Town: Greenock
County: Renfrewshire
Address: 26 Stanners Street
Household Members:
Dan Devlin 50 born abt. 1801 Donegal, Ireland
Helen Doulin 46 born abt. 1805 Donegal, Ireland
Patrick Devlin 21 born abt. 1830 Donegal, Ireland
John Devlin 18 born abt. 1833 Donegal, Ireland
Catherine Devlin 16 born abt. 1835 Donegal, Ireland
Helen Devlin 14 born abt. 1837 Donegal, Ireland
Grace Devlin 12 born abt. 1839 Greenock, Renfrewshire, Scotland