I don't know of your particular boat, but I have learned that Lloyds (Lloyd's Register Group
) used to keep a "register of yachts" just as they still keep a register of ships. The register of yachts ceased publication in 1979 or 1980 but you should be able to find a library (maritime museum is a good start) that has these. You might also contact the publisher and see what you can find there. I've seen our boat listed in a mid-60's version that a friend had in his office.
In the USA, we have the Coast Guard documentation which follows all US built vessels through their life and it is quite easy to get an abstract which gives all information about owners and liens/loans. Other countries may have similar info.
I hope that is helpful to you.
PS I just found the following on this site
about the Lloyds register of yachts
Where can I research my yacht?
The Information Centre Library has a complete collection of the Lloyd’s Register of Yachts
1878 to 1980, and Lloyd’s Register of Classed Yachts
1981 to 1996, 1999, 2000, 2002. This is an annual Register, which lists British and Foreign yachts classed by Lloyd’s Register, yachts belonging to subscribers to Lloyd’s Register publications and certain other yachts above a specified size. It is not a comprehensive source. The Register of Yachts is organised alphabetically by name of yacht. Lloyd’s Register also published a register showing details of American yachts. Named Lloyd’s Register of American Yachts
from 1903 to 1977 and renamed North American Yacht Register
for its last two years of publication in 1978 and 1979. For further details see Infosheet no.10.
Other collections are listed on Infosheet no.17