Daryl on a pet registration in 2020s-era data is almost certainly a Walking Dead reference — Daryl Dixon became one of the most beloved characters in modern television, a crossbow-wielding survivor with a loyal streak that redefined what a supporting character could become. The name was generationally common in the 1960s-70s; it belongs to The Walking Dead fandom now.
The Walking Dead Effect
Daryl Dixon's cultural dominance in the 2010s made his name a shorthand for a specific masculine archetype: taciturn, capable, unexpectedly tender, fiercely loyal to a chosen few. These are qualities dog owners actively want to see in their dogs. Large, protective breeds like German Shepherds and Belgian Malinois carry Daryl with the right energy. The name's pre-existing conventional quality means it's recognizable without reading as a costume. See also Dixon if you prefer Daryl's surname.
The Human Name Context
Daryl peaked in American baby naming in the 1960s-70s and has declined significantly since. Its presence in pet registries reflects a name that has largely left human naming and found a second life through pop culture. The human name Daryl is now rare enough for children that it reads as distinctly generational, which gives it an interesting quality as a pet name: familiar but not currently common.
The Counter-Reading: One Clear Reference Point
Anyone who watches The Walking Dead will immediately know exactly who the name refers to. Anyone who doesn't will hear a conventional but slightly dated human name applied to a pet. Both readings work, but they produce different conversations, which is worth knowing before committing.