Moms Demand Action for Gun Sense in America was founded on December 15 , 2012 , one day after the Sandy Hook Elementary School shooting . The organization was founded for mothers to advocate for gun violence prevention as a campaign of the Everytown for Gun Safety Action Fund . The group was founded by Shannon Watts in Indianapolis , Indiana and originally began as a grassroots Facebook group page titled " One Million Moms for Gun Control . " By the end of 2013 , Moms Demand Action had grown into an advocacy group with 130,000 members and chapters in all 50 states . The group has cited the example of Mothers Against Drunk Driving ( MADD ) as a model for its establishment . Moms Demand Action has lobbied members of Congress to expand background checks for individuals purchasing guns , and states that it persuaded Starbucks to ban guns from its coffee shops . Moms Demand Action endorses congressional candidates
Sandy Hook Elementary School shooting
Sandy Hook Elementary School shooting
Everytown for Gun Safety