Here are some keyboard shortcuts for Faces in iPhoto

1) General:

a) TAB will cycle the name rectangles between recognized faces.

b) RETURN on an “unknown face” or an established name will let you edit an identity, letting you either type or select a stored name using a handy drop-down menu.

c) If you TAB to a rectangle where iPhoto asks “Is this [name]?”, use RETURN to checkbox (accept) it or TAB to select the X (reject) icon then use RETURN to confirm.

d) Use the left or right arrow keys to switch forward or backward between photos in Name view
When you’re through editing names for recognized faces, click Done to see the normal photo browser.



2) Accepting Faces:

a) you can accept a face by single clicking.

b) you can accept faces by highlighting the pictures and drag them to the accepted pictures.

c) Click "conform Faces" and then highlight the pictures you want.


3) Rejecting Faces:

a) you can accept a face by double clicking.

b) you can accept faces by highlighting the pictures and press delete.

c) Click "conform Faces" and then highlight the pictures you want while holding option (alt) key.