“Irish you a happy St. Patrick’s Day” (knock-knock joke)

“Irish you a happy St. Patrick’s Day” (for “I wish you a happy St. Patrick’s Day”) is a saying that has been printed on many images. “Irish you a happy St. Patrick’s Day” was printed in a personal ad in the Detroit (MI) Free Press on March 17, 1973.
 
A knock-knock joke version was printed in Boys’ Life magazine in February 1984:
   
“Knock, knock!”
“Who’s there?”
“Irish.”
“Irish who?”
“Irish you a happy St. Patrick’s Day!”
 
 
17 March 1973, Detroit (MI) Free Press, “St. Patrick’s Day” (personals), pg. 1-C, col. 3:
ROBERT ERWIN
My the luck of the leprechauns come your way. Irish you a happy St. Patrick’s Day.
DIANE
   
Google Books
February 1984, Boys’ Life, “Think & Grin,” pg. 72, col. 3:
Sean: Knock, knock,
Erin: Who’s there?
Sean: Irish.
Erin: Irish who?
Sean: Irish you a happy St. Patrick’s Day. — Jonathan Gibney, Scottsdale, Ariz.
 
17 March 1990, The Times (Trenton, NJ), “Good Humor,” pg. B1, col. 1:
From Hallmark:
“Knock! Knock!”
“Who’s there?”
“Irish.”
“Irish who?”
“Irish you a happy St. Patrick’s Day.”
 
Kids.co.uk (June 24, 2001)
St Patricks Day Jokes
Knock, knock!
Who’s there?
Irish.
Irish who?
Irish you a happy St. Patrick’s Day!
 
Google Books
Let’s Celebrate St. Patrick’s Day
By Peter Roop and Connie Roop
Illustrated by Gwen Connelly
Mimmeapolis, MN: Millbrook Press
2003
Pg. ?:
Knock Knock.
Who’s there?
Irish.
Irish who?
Irish you a happy St. Patrick’s Day!
   
Google Groups: alt.humor.puns
Puns of the Weak 03-14-03
Stan Kegel
3/15/03
(...)
Knock Knock
Who’s there?
Irish!
Irish who?
Irish you a happy Saint Patrick’s Day (Crystal Jasmine and BooBoo)
   
17 March 2007, Newsday (Long Island, NY), Kidsday, pg. C16:
Knock, knock
Who’s there?
Irish
Irish who?
Irish you a Happy St. Patrick’s Day!
Stefan Neville
 
Twitter
Better Off Bread‏
@MikeLongwell
Knock, Knock!
Who’s there?
Irish!
Irish Who?
Irish you a happy St. Patrick’s Day.
2:47 AM - 17 Mar 2009
 
HubPages
St Patricks Day Jokes and Riddles For Kids
BY Lela Davidson
Updated on March 26, 2012
(...)
Knock, knock!
Who’s there?
Irish.
Irish who?
Irish you a happy St. Patrick’s Day!