Rooney Mara's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Rooney's 2 beats vs. Mara's 2 create a natural cinematic snap.
Rooney Mara's softer consonants cost it screen presence.
Rooney Mara misses the alliteration hook that makes names stick.
Rooney (6 letters) and Mara (4) are balanced in length — clean on any poster or marquee.
Rooney Mara has mostly familiar phonemes with a few tricky patterns.
Rooney Mara's open vowels roll off the tongue — warm and screen-ready.