There is no publicly available information on a performer named Cathness in the adult entertainment industry. Extensive web searches returned no relevant results for any pornstar, OnlyFans model, or adult actress by this name or similar spelling. It may be a misspelling, a very private or new entrant without online presence, or possibly referring to an unrelated individual from the Caithness region in Scotland. No biographies, film credits, interviews, or profiles exist in standard industry databases or news sources.
Without additional details from the user, accurate details cannot be provided. The name does not match any known Scottish or international adult performers. Further clarification would help in locating correct information if it exists elsewhere.