If you’re here in 2025 and you happen to be using the Dawn theme, there are a couple of options:
Hiding the Name on the Blog Post
Inside the sections/blog.json is a setting for showing or hiding the blog author on the article itself. You’ll want to ensure that the show_author value is set to false
"show_author": false,
Hiding the Name in Structured Data
Unfortunately, the structured data that helps boost your SEO also contains the Author’s name, even if you’ve set “Show Author” to false.
Inside of sections/main-article.liquid, you’ll find this:
You can use the following to find/replace your current user name with the following:
What this will do is look through the structured data on the blog post and replace it with “Site Admin”. Feel free to change that to whatever name you’d like.
Not perfect, and appropriately changing each custom theme will be different, but it’s definitely possible without needing a paid add-on.