Senior confirmed
Arya
Friends of Dogs - Chattanooga TN • Chattanooga, TN
Senior Mixed Breed dogs in Tennessee
Senior Mixed Breed dogs for adoption in Tennessee
Meet 24 adoptable senior Mixed Breed dogs (age 7+) in Tennessee. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Mixed Breeds in Tennessee are often passed over for puppies, yet they're usually house-trained, settled in temperament, and ready to bond right away — and because they're fully grown, you already know their size and personality. Adopting a senior Mixed Breed in Tennessee means welcoming a calm, grateful companion who can settle in from day one.
Last updated October 18, 2026 at 8:44 AM EDT. Listings refresh throughout the day. Always confirm a dog’s availability with the shelter or rescue before making plans.
Available senior Mixed Breed dogs in Tennessee
24 senior Mixed Breed dogs available in Tennessee.
10+ years
Senior confirmed
Elsie
Heartworms-Managed with Moxi-Doxy · Heartworm Positive · Not Good with Cats · I've Been A Foster Pet · Housetrained · May be good with most dogs · Has…
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Nibbler
Playgroup attendee! · I'm a smart cookie! I know some commands. · Awaiting Canine Foster · Housetrained
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Senior confirmed
Kodiak (ON)
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Senior confirmed
Madeleine
Heartworm Positive · Heartworms-Managed with Moxi-Doxy
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Duke
Heartworm Positive · Heartworm positive, not yet given ProHeart6
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Zeus
Has lived with dogs · Has Lived with Cats · May be good with most dogs · Demodectic mange · Mass- undiagnosed · Playgroup attendee!
McKamey Animal Center • Chattanooga, TN
10+ years
Sapphire
Has Lived with Cats · Has lived with dogs · May be good with most dogs · Demodectic mange
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Senior confirmed
Hercules
May be good with most dogs · Loves Squeaker Toys · Waterbug! Loves to splash, swim, and/or snorkel! · Meet and Greet Recommended with Other Dogs · See…
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Aubrey
Heartworm Positive · Heartworms-Managed with Moxi-Doxy · May be good with most dogs · Playgroup attendee!
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Arlo
Heartworm Positive · Heartworms-Managed with Moxi-Doxy · Mass- undiagnosed · Hospice adoption · May be good with most dogs
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Jimbo
Heartworm Positive · Heartworms-Managed with Moxi-Doxy · May be good with most dogs · Playgroup attendee!
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Spike
Low-Speed Walks Only · Orthopedic · I'm a smart cookie! I know some commands. · May be good with most dogs
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Jethro
Lap Dog · Has lived with dogs · I love car rides! · Seems Housetrained
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Queenie
God's Dogs Rescue of TX in TN Transport Stop • Nashville, TN
10+ years
Senior confirmed
Henry
animalshelter-sullivancounty.org • Blountville, TN
10+ years
Briggs
Seems Housetrained · Heart Murmur · Mass- undiagnosed · Certified Couch Potato · May be good with most dogs · Playgroup attendee!
McKamey Animal Center • Chattanooga, TN
Senior confirmed
Rupert
May be OK with Kids (8 yrs and older) · Orthopedic · Shy at First · Not Good with Cats · Has lived with dogs · Housetrained · I love car rides! · I li…
McKamey Animal Center • Chattanooga, TN
Senior confirmed
CeCe
May be OK with Kids (8 yrs and older) · Shy at First · I'm a smart cookie! I know some commands. · Orthopedic · I love car rides! · Housetrained · I'v…
McKamey Animal Center • Chattanooga, TN
Senior Mixed Breed dogs in other states
Other senior dogs in Tennessee by breed
Adopting a senior Mixed Breed in Tennessee — FAQ
What counts as a senior dog?
Most shelters and vets consider a dog "senior" around age 7, though large breeds often age sooner and small breeds a little later. Every dog listed here is 7 years or older.
How do I adopt a senior Mixed Breed in Tennessee?
Open any dog's profile to see the shelter or rescue caring for them in Tennessee, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance simply gathers senior Mixed Breeds in one place so they're easier to find.
Are there always senior Mixed Breed dogs available in Tennessee?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Mixed Breed in Tennessee right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Mixed Breed from Tennessee if I live elsewhere?
Often, yes. Many rescues and shelters in Tennessee arrange or help coordinate transport for the right adopter, while others prefer a local meet-and-greet first. Open a dog's profile and ask the organization directly how their out-of-area adoption process works.
Guides to help you decide
Getting started
Why Adopt a Senior Dog? 7 Reasons Older Dogs Make Wonderful Companions
Senior dogs are often calm, house-trained, and overlooked at shelters. Here are seven honest reasons an older dog may be the best companion you ever bring home.
6 min readUnderstanding ageHow Old Is a "Senior" Dog? Senior Age by Breed and Size
A dog is not "old" at the same age across the board — size and breed change everything. Here is how to tell when a dog becomes a senior, and what it means for care.
5 min readCare & healthCaring for a Senior Dog: Health, Diet, and Everyday Comfort
How to keep an older dog healthy and comfortable — vet care, senior-appropriate diet, joint and dental health, exercise, and simple home adjustments that make a big difference.
8 min readKnow a senior Mixed Breed in Tennessee who needs a home?
Shelters and rescues can list adoptable senior dogs for free.