ACROSS
 4 Holiday named for him
10 Irish greeting
11 Holiday month
14 White Irish clover
16 Clover with one more leaf
17 You wish for people
19 Irish accent
20 Storytellers kiss this
21 Another fairy spelling

DOWN
1 Find at end of rainbow
2 Little people of Ireland
3 Irish dance
5 Famous Irish song
6 Irish vegetable
7 Color of day
8 Meat of day
9 Driven out of Ireland
12 Ireland
13 St Patrick's religion
15 Smiling they steal hearts
18 Leafy vegetable