Katharine Hepburn's 5 syllables (3 + 2) hit the Hollywood sweet spot.
Katharine's 3 beats vs. Hepburn's 2 create a natural cinematic snap.
Katharine Hepburn blends hard and soft consonants — decent presence, some softness.
Katharine Hepburn misses the alliteration hook that makes names stick.
Katharine (9 letters) and Hepburn (7) are balanced in length — clean on any poster or marquee.
Katharine Hepburn has mostly familiar phonemes with a few tricky patterns.
Katharine Hepburn's open vowels roll off the tongue — warm and screen-ready.