Lily is the more formal sister of Daisy. With 2,378 entries at rank #25, she pulls the same flower-name register but lands one register up in elegance — the church-wedding flower rather than the meadow flower. Her breed footprint reflects the difference. Lily concentrates on smaller, daintier dogs and longhair cats; Daisy spreads across the casual mid-range. Same cohort, different households.
The Easter-lily inheritance
Lily as a name carries Christian symbolism that Daisy doesn't — the flower has been associated with purity, resurrection, and the Virgin Mary in Western iconography for over a thousand years. The semantic weight is part of why the name feels formal even on a small dog. Owners aren't generally aware of the religious lineage when they pick the name, but the formality has stayed embedded in the word. That formality is what differentiates Lily from her cohort partners.
The breed concentration is interesting. Lily ranks well among Maltese, Bichon Frises, and Persian cats — breeds whose physical presentation already reads as elegant. Owners are reinforcing what the breed is already signaling rather than going against the visual. With Daisy that match isn't required; with Lily it generally is.
Phonetic profile
Lily is built on a soft L opening, an I-vowel center, and a clipped "ee" ending. The structure is gentler than Daisy and less recall-strong, which is fine because the name lands almost exclusively on indoor or close-companion dogs and cats where outdoor recall is rarely the limiting factor. Owners of small breeds rarely care about park-distance recall the way large-breed owners do. The name does the right job for the dogs it ends up on.
Climbing on the baby side
Lily passed the SSA top 25 for girls in the early 2010s and has held there since. The pet version has climbed alongside, though more modestly. The two trajectories are close enough that household-overlap is a real concern for parents who already have a Lily — and unlike Chloe, where the overlap absorbs cleanly, Lily owners do report some friction when there's a child Lily in the house. Most just rename the dog. The baby Lily page has the SSA detail.