Name, age, estimated year of birth, place of birth, from the 1871 England Census taken on the night of 2 April 1871, for the Civil Parish of Morpeth, Northumberland, England, found in December 2023:
Address: Wansbeck Street, Morpeth
John Kennedy, Head, age 34, Police Sergeant, Born Scotland [circa 1837]
Jessie Kennedy, Wife, age 34, Born Scotland [circa 1837]
Thomas S Kennedy, Son, age 9, Scholar, Born Whitfield Northumberland England [circa 1862]
Margaret H Kennedy, Daughter, age 7, Scholar, Born Allendale Northumberland England [circa 1864]
Janetta Kennedy, Daughter, age 5, Scholar, Born Allendale Northumberland England [circa 1866]
David Kennedy, Son, age 3, Born Scotland [circa 1868]
John A Kennedy, Son, age 2, Born Ovingham Northumberland England [circa 1869]

Different initial for second gioven name (“E”), from the 1881 England Census taken on the night of 3 April 1881, for the Civil Parish of Belford, Northumberland, England found in December 2023:
Address: High Street, Belford
John Kennedy, Head, Married, age 44, Inspector of Police, Born Scotland [circa 1837]
Jessie Kennedy, Wife, Married, age 44, Born Scotland [circa 1837]
Janetta Kennedy, Daughter, age 15, Born Allendale Northumberland England [circa 1866]
David Kennedy, Son, age 13, Scholar, Born Scotland [circa 1868]
John E. Kennedy, Son, age 12, Scholar, Born Ovingham Northumberland England [circa 1869]
Elizabeth A. Kennedy, Daughter, age 9, Scholar, Born Morpeth Northumberland England [circa 1872]
Thomas S. Kennedy, Son, age 3, Born Belford Northumberland England [circa 1878]