“How does Easter end?”/“With the letter R.”

An Easter riddle is:
 
Q: How does Easter end?
A: With the letter R.
 
The joke was posted on the newsgroup alt.smouldering.dog.zone on April 20, 2003.
 
 
Google Groups: alt.smouldering.dog.zone
The Easter Punny was here
Liz
4/20/03
(...)
Q: What is the end of Easter?
A: The letter R.
   
Southern Maryland Online
101 Easter jokes
jazz lady
04-08-2004, 01:40 PM #1
(...)
Q: What is the end of Easter?
A: The letter R.
 
27 March 2005, The Sunday Mail (Brisbane, Australia), “Easter Jokes,” pg. 106:
How does Easter end?
With the letter r!
 
Google Groups: Angelique’sSmorgaabord
Easter Jokes
andrea murray
3/28/07
(...)
Q: What is the end of Easter?
A: The letter R.
 
Twitter
Von Thompson‏
@VonThompson
How does Easter end?........wait for it…...with the letter R
1:40 PM - 10 Apr 2009
 
Twitter
Carmen Sandiego‏
@VILE
A child asked me, “What is the end of Easter?” Confused, I asked “What?” He smirked, “The letter R!” Clearly a future sleuth.. or comic.
1:45 PM - 12 Apr 2009
   
Google Books
Funny Easter Jokes For Kids
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
What is the end of Easter?
The letter R.