Mary Fuller's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Mary's 2 beats vs. Fuller's 2 create a natural cinematic snap.
Mary Fuller's softer consonants cost it screen presence.
Mary Fuller misses the alliteration hook that makes names stick.
Mary (4 letters) and Fuller (6) are balanced in length — clean on any poster or marquee.
Mary Fuller has mostly familiar phonemes with a few tricky patterns.
Mary Fuller has decent vowel richness, but stronger A and O sounds would lift it.