Possible Clues:

• South Asian, casually
• Arnaz of 50's TV
• TV star Arnaz
• Arnaz of 1950's TV
• First name in comedy and conga lines
• First name in 1950s TV
• Lucille's husband
• 1950's sitcom name
• Legendary first name in sitcoms
• Lucy-___ Museum in Jamestown, N.Y.