‘Women for Nikki’ Coalition Courts Group It Sees Trump Putting Off

As Nikki Haley enters the final stretch of the Republican primary in South Carolina on Feb. 24, her presidential campaign on Tuesday unveiled a new national coalition aimed at making inroads with one group in particular: suburban women turned off by former President Donald J. Trump.

The group, the National Women for Nikki Coalition, includes more than 4,500 members in all 50 states and Puerto Rico, organizers said. Those members will ramp up the campaign’s get-out-the-vote initiatives, phone banking and other surrogate events in the coming weeks as Ms. Haley, the former governor of South Carolina, looks to continue her campaign beyond the next G.O.P. contest.

Though she faces long odds against Mr. Trump, Ms. Haley has signaled her intent to stay in the race at least through Super Tuesday, on March 5, when 15 states and one territory will vote on a Republican presidential nominee.

“They are a good representative of Republican women, suburban women, independent women who have had enough and know we can do better — so much better,” said Annie Dickerson, the coalition’s national co-chairwoman, adding that Ms. Haley was speaking for “the forgotten middle” of American politics.

Haley campaign officials say they are looking to turn out independents, new Republican voters and women in increasingly diverse and highly educated suburbs across the country that have trended away from the Republican Party in recent elections amid the rise of Mr. Trump. But as the former president maintains his grip on the Republican primary base, they face an uphill climb.

A poll from The New York Times and Siena College released in December found that 63 percent of female Republican primary voters supported Mr. Trump, despite his long history of