Ivy Parker's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Ivy's 2 beats vs. Parker's 2 create a natural cinematic snap.
Ivy Parker's softer consonants cost it screen presence.
Ivy Parker misses the alliteration hook that makes names stick.
Ivy (3 letters) and Parker (6) have a slight length mismatch, but it reads fine on screen.
Ivy Parker has mostly familiar phonemes with a few tricky patterns.
Ivy Parker has decent vowel richness, but stronger A and O sounds would lift it.