Daizy is another phonetic variant of Daisy and, at 28 records, almost certainly a registry artifact rather than a deliberate stylistic choice. The Z spelling gives it a faint retro-cartoon quality — think Dizzy, Jazzy — but the canonical Daisy is almost certainly what these owners intended.
Z-Spelling as Stylistic Gesture
A small number of owners genuinely prefer Z-spellings for the visual energy they create — Daizy reads as slightly quirkier and more playful than the standard form. If that's the intent, it's a legitimate choice. But at 28 registry records it's more likely a fast-typing error that got locked into a city database than a trend.
The Daisy Sound
Whatever the spelling, the DAY-zee sound is one of the most effective pet call names in American use — two syllables, bright vowels, carries easily across distance. It works for cats and small dogs especially. Bichon Frises and fluffy white dogs wear it particularly well. The human name Daisy carries the same warm register.
The Counter-Reading: Paperwork Friction
Z-spellings invite a lifetime of spelling out the name at vet offices. Unless the visual quirk is genuinely important to you, the standard spelling is smoother. Explore pet names for more floral-category options.