To delete a page in Squarespace, you can use one of the following two ways.
#Option 1
#1. Hover on the page that you want to delete and click on the Trash icon
#2. Then, click CONFIRM to delete your page
#Option 2
#1. Hover on the page that you want to delete and click on the Gear icon
#2. At the General, scroll down to the bottom and choose DELETE PAGE
#3. Then, click Confirm to delete your page