Which singer appeared as Cousin Ernie on 'I Love Lucy'?

The singer who appeared as Cousin Ernie on “I Love Lucy” was Tennessee Ernie Ford.

Ford was a country singer, television host, and recording artist whose friendly, booming style made him a natural fit for the homespun character. He first appeared in “Tennessee Ernie Visits” in 1954, playing a fictionalized version of himself as Lucy’s country cousin from Tennessee.

The character returned in “Tennessee Ernie Hangs On” and “Tennessee Bound,” giving Ford a recurring role rather than a one-episode cameo. Cousin Ernie’s exaggerated rural mannerisms and catchphrases became memorable parts of the show’s guest-star history.

A common mix-up is treating “Cousin Ernie” as Ford’s real name. His birth name was Ernest Jennings Ford; “Tennessee Ernie Ford” was his professional name. Pat Boone, Eddie Fisher, and Perry Como were also prominent singers of the era, but none played Cousin Ernie on the series.