The information on registered seafarers is not in all cases complete. As new sources are studied, information on engagements and medals etc. will be added to some of the already registered seafarers.
NorwayUSA statsborgerskapsregister:
Var statsborger i USA fra 1955.
Trygdeordningens dødsfallsregistre i USA:
Siste bosted før død: Peterborough, New hampshire, USA.
Folketelling 1920:
Hans far Samuel Houlder var kaptein i marinen.