“My hockey mom can beat up your soccer mom” is a jocular line that has been printed on many gift items, such as bumper stickers and T-shirts. The bumper sticker has been cited in print since at least 1999.
 
“My hockey mom can beat up your soccer mom” became popular after self-professed hockey mom Alaska Governor Sarah Palin became the Republican party’s nominee for vice president in the 2008 election.
     
 
Google Groups: alt.support.arthritis
BUMPER STICKERS FOR TODAY’S WORLD:
Rene Ferri
3/22/99
(...)
My Hockey Mom Can Beat Up Your Soccer Mom
 
Google Groups: aus.jokes
Besthumour.com’s Daily Joke—March 29/2000
Lance Rissman
3/29/00
(...)
28) My Hockey Mom Can Beat Up Your Soccer Mom
 
Google Groups: alt.support.childfree
Thought of you all today
L O U P
5/4/01
There is always the ones for us ...
 
“Your child may be an honor student but you are still an idiot!”
 
I have seen “My Hockey Mom Beat Up Your Soccer Mom” on a car before as well.
 
22 January 2003, Palm Beach (FL) Post, “Stuck in a traffic jam? Read a bumper sticker” by Miike Tighe, Delray Beach, pg. 4, col. 4:
My hockey mom can beat up your soccer mom.
   
Google Books
The Guide to Laughing at Family:
Insightful Observations to Share
By Shawn Gold (Guide to Laughing Institute)
Los Angeles, CA: Handy Logic Press
2004
Pg. 250:
My hockey mom could beat up your soccer mom.
Author Unknown
   
Google Books
How to Traumatize Your Children
By Mark Weber
Venice, CA: Knock Knock
2007
Pg. 18:
My hockey mom can beat up your soccer mom.
 
Twitter
Rick Castello
‏@Fungible
@guykawasaki T-shirt for your family - ‘My hockey mom can beat up your soccer mom’
11:26 PM - 29 Nov 2007
 
Twitter
terryweaver
‏@terryweaver
thinks that the hockey mom that mccain picked could beat up your soccer mom
1:17 PM - 29 Aug 2008
 
Twitter
Darren Abrecht
‏@darrensayswhat
@underoak No lie - I saw a bumper sticker yesterday that said “My hockey mom can beat up your soccer mom.” Zeitgeist strrrrikes again!
7:07 AM - 4 Sep 2008
 
6 September 2008, NPR, “Tis the Season of the Political T-Shirt,” Weekend Edition-Saturday:
MYROW: Or sales, Durham acknowledges. Now you might think a California company caters to liberals, but Durham and Maniatis say their customer base skews conservative, female, and old enough to buy kiddy shirts that read, “My Hockey Mom Can Beat Up Your Soccer Mom.” That’s one of the tamer items.
 
Google Books
Women and the White House:
Gender, Popular Culture, and Presidential Politics
Edited by Justin S. Vaughn and Lilly J. Goren
Lexington, KY: The University Press of Kentucky
2013
Pg. 88:
To the soccer mom, family was first, and the soccer mom needed a hand from government to get through her myriad responsibilities. Palin’s hockey mom was as likely to get into a fistfight as the hockey players she shuttled around in her SUV.
(...)
Bumper stickers and license-plate frames were sold during the 2008 election cycle emblazoned with the words “My hockey mom can beat up your soccer mom.”