Logan ranks at #161 with 653 entries, and the name sits in the same human-crossover lane as Hunter or Mason. It reads as a mid-2000s baby name first, a pet name second, and the spillover from one register to the other is what put it on this leaderboard.
The X-Men echo, often unconscious
Wolverine's Logan film arrived in 2017 and added a layer of pop-culture weight on top of an already common human name. Most owners who pick Logan for a dog are not thinking about the Marvel character directly, but the rugged, single-syllable feel that movie reinforced is part of why the name lands well on shepherds and large mixed breeds. Compare with Hunter, which moves through the same texture.
One counter-reading: Logan also functions as a soft Scottish surname-style name with no action-hero baggage. A subset of owners pick it for that reason — quieter, vaguely literary — and those Logans tend to land on retrievers and family-coded breeds rather than guard-coded ones.
Crossing back to the baby chart
Logan has been a steady SSA top-20 boys' name for over a decade, which is unusual for a pet name at this rank. Most names on the pet leaderboard are either much higher on the human chart (Bella, Charlie) or significantly off it. Logan tracks closely on both. The Logan baby name page shows the human trajectory.
For owners cross-shopping similar names, Parker sits in the same surname-style male slot a few ranks down, and Cooper or Hunter cover adjacent territory at higher leaderboard positions. Logan tends to win out when the owner wants something slightly shorter and slightly more familiar than the others in the cluster, particularly for active mid-sized dogs whose names need to recall well in noisy environments.