Open Roblox and go to the profile of the person you deleted
Check if their profile still appears in your recent players or friends list history
Use the search bar to look up their username
Check your followers and following lists
Look through your game join history if available
Check your chat history for their username
Review any group member lists if you met them in a group
Search your device screenshots, notes, or messages for their Roblox username
Ask mutual friends if they still have the person added
If you remember part of the username, try different search variations
Check your Roblox privacy and account settings for any saved connections or contacts
Send them a new friend request if you find their profile
Use Roblox support if you need help with account-related connection history