Saoirse Ronan's 3 syllables (1 + 2) hit the Hollywood sweet spot.
Saoirse's 1 beat vs. Ronan's 2 create a natural cinematic snap.
Saoirse Ronan's softer consonants cost it screen presence.
Saoirse Ronan misses the alliteration hook that makes names stick.
Saoirse (7 letters) and Ronan (5) are balanced in length — clean on any poster or marquee.
Saoirse Ronan has mostly familiar phonemes with a few tricky patterns.
Saoirse Ronan has decent vowel richness, but stronger A and O sounds would lift it.