Whether you need to correct a misspelling, change a nickname to a given name, or change a name due to another life event such as marriage, Mylio Photos makes it simple to update or change the names of people you’ve identified and tagged.
-
Click the People icon
then Select the person whose name you want to change -
Right-click your selection or tap the kebab icon
to access the Actions menu. -
Choose Rename Person. This will reveal the Info Panel. Click the text field(s) to make necessary changes or enter additional information about the selected person.
Click the People icon then Select the person whose name you want to change
Right-click your selection or tap the kebab icon 
to access the Actions menu.
Choose Rename Person. This will reveal the Info Panel. Click the text field(s) to make necessary changes or enter additional information about the selected person.
Learn More: https://manual.mylio.com/topic/rename-people-tags