Birth Day:
1 to 5- Birch
6 to 10- Night
11 to 15- Bramble
16 to 20- Mouse
21 to 25- Haze
26 to 31- Ivy

Birth Month:
January- Tail
February- Claw
March- Pelt
April- Heart
May- Fang
June- Fur
July- Cloud
August- Fall
September- Storm
October- Stripe
November- Foot
December- Whisker

I got Birchwhisker. Other people I know got: Bramblepelt, Mousestripe, Nightheart and Mousefall. Tell me in the comments what you got!