
It is critical to insure that everything in the changed user directory is accessible and works as intended, do not skip verifying data, files, and preferences, as things can go awry and lead to issues down the road.

From the Apple menu choose “System Preferences” and then choose “Users & Groups”.From the Finder of Mac OS, go to /Users/ directory and rename the folder of the user account you wish to change as you would any other file/folder, authenticating when requested.Log in to a different Admin user account, it must be different from the account folder being changed.Back up the Mac before doing anything else, do not skip this.The method we’re going to show here works to change a users home folder name in Mac OS and Mac OS X, including versions Sierra, El Capitan, Yosemite, Mavericks, and Mountain Lion. How to Change User Home Directory Names in Mac OS Do not skip backing up the Mac and user data before performing any of these actions. If something goes wrong, the user account could be inaccessible including any and all files, and there are other potential issues that could arise as well.


Warning: Back up a Mac with Time Machine or your backup method of choice before doing this.

This is relevant to advanced Mac users only. This is not an action to be taken lightly due to the potential for a myriad of things to go very wrong. Do not attempt to change a user home folder unless you have a compelling reason to do so and you know exactly what you’re doing and why you’re doing it.
