1st in Winter: Old Moon
2nd in Winter: Snow Moon
Last in Winter: Sap Moon
1st in Spring: Grass Moon
2nd in Spring: Milk Moon
Last in Spring: Rose Moon
1st in Summer: Thunder Moon
2nd in Summer: Green Corn Moon
Last in Summer: Fruit Moon
1st in Autumn: Harvest Moon
2nd in Autumn: Frost Moon
Last in Autumn: Long Night Moon
3rd of four in any season: Blue Moon
Oops: forgot to credit it! http://www.fabandpp.org/cotm/moons.htm