i used Pet Name Generator - Giggle Pets for this!
little yard:
arias (m, shiba inu) - levi, wilson, gizmo, cash, yoda
bowman (f, jack russell terrier) - rusha, violet, ollie, maeve, didi
chambers (m, shetland sheepdog) - derby, yukon, archer, obi, hickory
doyle (m, yorkshire terrier) - grey, yoshi, george, pete, alfredo
eaves (f, french bulldog) - paige, himalaya, kinsley, pandora, xenia
herman (f, cockapoo) - juniper, fanta, charity, dawn, emily
johns (m, shih tzu) - odgar, clancy, melvin, junior, gage
kemp (m, italian greyhound) - orion, gulliver, wayne, norman, zak
miller (f, beagle) - mazie, athena, jo, tulip, darla
miller (f, puggle mix) - holly, piper, lexi, macy, nell
nichols (f, toy poodle) - isabelle, fauna, carmen, mary, sophia
ortiz (m, boston terrier) - jackson, magic, ozzy, cyrus, lars
rich (m, miniature schnauzer) - todd, wolf, arnold, forest, waldo
snyder (m, pug) - brody, gilbert, quinton, fuzzball, vincent
svitak (f, american cocker spaniel) - button, peggy, alette, sky, ida
turner (m, australian cattle dog) - hansel, chet, klaus, tim, luke
turner (f, brittany) - georgia, lily, tinker, addie, winona
wiliams (m, cavalier king charles spaniel) - luigi, elfie, watson, finley, rupert
vidales (f, dachshund) - lizzy, nina, posy, valentine, mimosa
zadlo (f, pembroke welsh corgi) - indie, hazel, wanda, zuzu, emma
big yard:
adler (f, collie) - pattie, sparkle, askia, irene, senna
bradley (m, australian shepherd) - pongo, mac, harris, graham, nolan,
daniels (m, rottweiler) - winston, keaton, frodo, xavi, gunner
forbes (f, weimaraner) - avalon, jana, willow, daisey, aretha
garrison (f, great dane) - selena, victoria, bellatrix, kamara, winter
griffith (m, german shorthaired pointer) - gus, evander, troy, quill, rudder
hackert (f, boxer) - tara, mavis, sydney, ember, ivy
hagen (f, american bully) - kyra, sadie, vera, tasha, inca
kemp (m, greyhound) - gordon, oliver, nixon, albus, ivan
kline (m, dalmation) - alfie, rudder, spike, lennox, rascal
iversen (f, giant schnauzer) - ruthie, jinx, alie, mercedes, cardi
landry (m, bernese mountain dog) - sully, otto, chevy, andy, beau
landry (m, st bernard) - nico, jach, butch, leonard, rocco
martin (m, chesapeake bay retriever) - jake, odis, rocky, buster, rhys
mullins (m, german shepherd) - easton, grim, lakota, pluto, hayes
newton (m, vizsla) - reggie, fido, russell, lance, albert
pabst (f, labrador retriever) - everest, voxie, serenity, portia, zara
pabst (f, golden retriever) - harlow, lucia, talia, xieva, blair
regner (m, american staffordshire terrier) - percy, max, remi, khan, zeke
salazar (f, poodle) - yasmine, flora, lacey, faith, mia
simmons (f, siberian husky) - lakin, trixie, heather, rowan, zelda
tackett (m, alaskan malamute) - mowgli, dean, loki, titus, axel
ulrich (f, staffordshire bull terrier) - naomi, ruby, ziera, roxie, libby
young (f, bluetick coonhound) - reba, liberty, thea, wren, faye
young (m, black and tan coonhound) - phillip, leroy, finn, billy, boris