found this family in 1871 census - all the names match - but birth years don't - Henry b 1828 and Ellen born 1830

is this your Henry / Ellen - where did you get your birth years for the family ?
Name Henry Norris
Event Type Census
Event Date 1871
Event Place West Derby, Lancashire, England, United Kingdom
Enumeration District 51
Gender Male
Age 43
Marital Status Married
Occupation Gardener
Relationship to Head of Household Head
Birth Year (Estimated) 1828
Birthplace West Derby, Lancashire
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Henry Norris Head M 43 West Derby, Lancashire
Ellen Norris Wife F 41 Liverpool, Lancashire
Chas Norris Son M 15 West Derby, Lancashire
Rich Norris Son M 13 West Derby, Lancashire
Mary E Norris Daughter F 8 West Derby, Lancashire
Henry Norris Son M 6 West Derby, Lancashire
Thomas Norris Son M 4 West Derby, Lancashire
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