who is catherine o'hara married to

Catherine O’Hara was married to production designer Bo Welch.
Since you asked in a “Quick Scoop” style, here’s the fast context:
- Her husband’s name: Bo Welch.
- What he does: He’s a film and TV production designer and director who worked on major projects like “Beetlejuice,” where the two first met in the late 1980s.
- Marriage: They got married in 1992 and built a long-term Hollywood partnership together.