Yes if you breed eevee on four island.
in a pokeball on the top floor of celadon mansion.
You can get evee at the top of celadon mansion but instead of going through the front entrance of the mansion go to the back entrance go to the top and go into the house and take the pokeball it will be evee.
go to the Pokemon mansion or jus go to hearthome city
Evee is obtained in Celadon city first find the celadon mansion don't enter it just find it now go behind the Pokemon center and go into the back entrance of the mansion go upstairs and into the house take the pokeball its Evee!
Evee can be found in the back entrance of the Celadon Mansion which is directly left from the Pokemon Center.
Evee is given to you in Celadon Mansion.
There's only one in the top floor of Celadon Mansion.
You receive the Eevee from Celadon Mansion, from inside a Pokeball on the top floor.
You could import a ditto from fire red or leaf green and breed. or i think you can get them in the Pokemon mansion once the owner talks about 'em.
u go behind celadon city mansion and go to the top floor and click the item on the table and you now have evee
In Pokemon mansion you can catch a growlithe and you can get a flareon( you need to evolve the evee with fire stone). By the way you can get an evee at the apartment(last floor) in the celadon city.
beat the elite four and get the national pokedex then go to the Pokemon mansion talk to mister backlot say yes to both questions he will say a rare Pokemon is in the trophy garden it may be evee