The headline in the Daily Mirror in the article says, "Mystery of Woman Novelist's Disappearance", which tells me that she was much less famous in 1926 than she

The headline in the Daily Mirror in the article says, "Mystery of Woman Novelist's Disappearance", which tells me that she was much less famous in 1926 than she is today. Any headline about her today would have used her name (just as the feature article and the Hacker News title did).