Ernie ranks at #394 with 314 entries, leaning male. A diminutive of Ernest (Germanic: "serious" or "resolute"), Ernie reads warmly old-fashioned and sweetly unpretentious — squarely inside the grandpa-name register that millennial pet owners have leaned into for the past decade.
The Sesame Street lineage
Ernie of Bert and Ernie (Sesame Street, 1969 onwards) is the dominant pop-culture anchor for the name. Multiple generations of American owners grew up with the character, and the warm, slightly mischievous tone of the puppet has shaped how the name reads as a pet pick. It's one of the cleanest Muppets-anchored pet names alongside its sometimes-paired sibling. The Ernie baby name page shows SSA presence falling sharply through the 20th century, which is exactly why it now reads charmingly retro.
The grandpa-name cohort
Ernie clusters with Walter, Henry, Arthur, and Willie in the vintage-masculine human-name cohort. Owners picking these names are usually leaning into the pet-as-tiny-old-man framing — warm, dignified, slightly comic. The choice signals a specific naming sensibility that distinguishes these owners from the Bella-and-Max default crowd.
Sound and breed fit
The two-syllable shape (UR-nee) has a soft front and a singing trailing vowel, projection-friendly for outdoor recall. Ernie lands disproportionately on small-to-medium dogs with friendly faces — Beagles, Dachshunds, Cocker Spaniels, and small mixed breeds where the affectionate retro tone matches the visual.