Brian of nzolivers.com has found that Samuel, wife Louisa, and two children emigrated to New Zealand on the “Golden Sea” in 1874. Passenger record:
https://familysearch.org/ark:/61903/3:1:S3HT-DR43-H42?cc=1609792
Sailed London 29 January 1874
Arrived Wellington 1 May 1874
Samuel 35 years Sussex Bootmaker
Louisa 30 years
Jane 2 years
John 6 months

Name and estimated month/year of birth, country of birth and death, from the above “Golden Sea” passenger record.

Place of birth, date and place of baptism, from research file17 in June 2017.