Elmo appears 80 times at rank 1359, almost entirely on male pets. The naming reference is almost certainly Sesame Street's beloved red monster — a character who has defined warmth, enthusiasm, and childlike wonder in American children's television since the 1980s. A dog named Elmo is owned by someone who finds that quality genuinely charming.
Sesame Street and the Muppet Naming Tradition
Elmo joined Sesame Street in the early 1980s and became one of its most popular characters. The name carries a very specific energy: small, intensely enthusiastic, and warmly chaotic. On a small, high-energy dog with a warm coat, the reference can be uncannily precise. Pomeranians, red-coated Dachshunds, and similar spirited small breeds are the natural fit.
The Pre-Sesame Etymology
Elmo is an old Germanic name, a variant form associated with Saint Elmo, the patron saint of sailors. This historical layer gives the name genuine depth that most Elmo-the-dog owners won't reference, but it's there. The human name background is at /names/elmo.
The Counter-Reading
Elmo carries such a specific Sesame Street association that it will generate that reference in nearly every introduction. For owners who love that — who want their dog's name to make children's faces light up — this is a feature. For owners who'd prefer a name without built-in associations, the similar-sounding Arlo offers comparable warmth with a cleaner slate.