Atlas sits at #508 with 240 entries, leaning male. The two-syllable shape (AT-lus) carries strong mythological power — Atlas, the Titan condemned to hold up the celestial sphere in Greek mythology — alongside the contemporary use of "atlas" as a synonym for a book of maps. Both readings share a sense of weight and scope.
The mythological-power cohort
Atlas clusters with Zeus, Thor, Titan, and Odin in the mythological-strong-male pet-naming cohort. Owners reaching for these names are usually selecting for size and gravitas, with the dog or cat ending up named for a heavyweight figure from the classical tradition.
Breed lean
Atlas lands disproportionately on large breeds — Great Danes, Mastiffs, Bernese Mountain Dogs, Newfoundlands, German Shepherds, and broad-chested rescue mixes with working-line breeding. The name and the silhouette match. There's a smaller but visible cohort of small dogs named Atlas as a deliberate name-versus-size joke; the contrast is the whole point in those cases.
The travel-and-exploration counter-reading
A separate subset of owners come to Atlas through the map-book reading, especially in households that value travel or exploration imagery. The reading is quieter than the Titan one but real. The Atlas baby name page shows the SSA chart climbing rapidly through the 2010s, and the pet version is following the typical lag pattern as the human-name pet wave consolidates around mythological picks.
Sound counter-reading
The two-syllable hard consonants and clipped trailing -lus give Atlas a name that lands with finality — easy to call, hard to mishear. Owners rarely shorten the name; the full version is already at the working call-name length.