When I google an alias of mine, Google results come up with personal information relating to my true identity - how can I change this?

When I google the alias, there are data websites that come up linking the alias to my real name through old social media accounts (since deleted, but the results still show on these websites), making my personal information very accessible to whoever decided to google the alias (it is a unique alias, and nothing unrelated to me comes up when googling it).

I do not want these pages to come up in Google search results when googling this alias. I …

change google identity information personal personal information privacy