By SUSAN HAIGH

HARTFORD, Conn. (AP) — U.S. Rep. Jahana Hayes isn’t a member of the historically Black sororities and fraternities known as the “Divine Nine.”

But throughout her hotly contested reelection campaign this year, Hayes, the first Black woman to represent Connecticut in Congress, has sometimes felt like she’s a fellow soror, the term used by Black Greek organizations for sorority sisters. On their own, members have shown up to call voters, organize fundraisers, knock on doors, cheer Hayes on at campaign events and even offer pro bono legal help.

“I had people from Massachusetts come in to volunteer,” said Hayes, a Democrat who is seeking a fourth term. “I’ve had people who had previously been considering going to a battleground state like Pennsylvania and are saying, ‘No, we’re going to stay right here and help out in this race in Connecticut.’”

Downballot candidates like Hayes — particularly Black women — have benefited from a surge in support this year from volunteers who happen to be members of Black Greek organizations, many energized by Kamala Harris’ presidential run. The vice president is a longtime member of Alpha Kappa Alpha Sorority Inc., which was founded at her alma matter, Howard University, in 1908. Harris pledged AKA as a senior at Howard in 1986.

Collectively known as the National Pan-Hellenic Council, the nine historically Black sororities and fraternities are nonpartisan and barred from endorsing candidates because of their not-for-profit status. The organizations focus on voter registration drives, civic engagement and nonelectoral initiatives and are careful not to show favor to a particular candidate. But many of the groups’ members, as individuals, have been “extremely active” in federal and state races around the country this year, said Jaime R. Harrison, chairman of the Democratic National Committee.

“I think that’s a part of the Kamala Harris effect,” Harrison said during a recent visit to Connecticut.

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There were women affiliated with all the D9 sororities on a recent get-out-the-vote bus tour through New York, New Jersey, Pennsylvania, Delaware and Maryland to support Black women on the ballot.

Along with other volunteers, they knocked on hundreds of doors, made thousands of calls and sent out hundreds of postcards, urging people to vote. The trip was organized by the Higher Heights for America PAC, a nearly 13-year-old organization that works to elect progressive Black women.

Members of Delta Sigma Theta Sorority Inc. showed off their crimson and cream colors while stumping in Maryland for Democratic U.S. Senate candidate Angela Alsobrooks, a fellow Delta who is in a closely watched race against former Republican Gov. Larry Hogan.

Volunteers who are D9 sorority members also campaigned for Democratic U.S. Rep. Lisa Blunt Rochester of Delaware, an honorary member of Alpha Kappa Alpha who is running for the U.S. Senate. If both candidates were elected, it would mark the first time two Black women have served in the Senate simultaneously.

Latosha Johnson, a social worker from Hartford, recently participated in a get-out-the-vote phone banking session for Hayes along with other Black women who, like her, are members of Alpha Kappa Alpha. She said there’s a realization among many Black and brown voters that the stakes in the election are particularly high. And if Harris wins, she’ll need allies in Congress, Johnson said.

“If we don’t get her a Congress that’s going to be able to move things,” Johnson said, “that becomes hard.”

Hayes is in a rematch against former Republican George Logan, a former state senator who identifies as Afro-Latino but has not seen an outpouring of support from D9 members, according to his campaign.

Both Harris and former President Donald Trump are courting Black voters in the final days of the presidential race. Harris’ campaign has expressed concern about a lack of voting enthusiasm among Black men.

While Republicans have made some inroads with Black voters, two-thirds still identify as Democrats. About 2 in 10 identify as independents. About 1 in 10 identify as Republicans, according to a recent poll from the AP-NORC Center for Public Affairs Research.

Voter registration and nonpartisan get-out-the-vote efforts by the sororities and fraternities, coupled with the mobilization of individual members, could potentially have an impact on some of these races, said Darren Davis, a professor of political science at the University of Notre Dame.

“In local elections, in statewide elections, where the Black vote is more powerful and concentrated as opposed to in national elections, D9 organizations have this tremendous untapped ability to reach and to mobilize disaffected voters,” Davis said.

The D9 fraternal groups were founded on U.S. college campuses in the early 1900s when Black students faced racial prejudice and exclusion that prevented them from joining existing white sororities and fraternities. In a tradition that continues today, the organizations focused on mutual upliftment, educational and personal achievement, civic engagement and a lifelong commitment to community service.

Many of the fraternities and sororities served as training grounds for future civil rights leaders, including the Rev. Martin Luther King Jr. and Rosa Parks.

Alpha Phi Alpha Fraternity Inc. member Brandon McGee is a former Democratic state representative who now leads Connecticut’s Social Equity Council on cannabis. As the father of two daughters, he is excited about helping Harris and Hayes win.

“I want my babies to see me working for a female who looks like their mother. And even beyond looking like their mother, a female,” he said. “And I want my babies to know, ‘You can do the same thing.’”

This story has been edited to correct that Alpha Phi Alpha is a fraternity not a sorority. Also, Latosha Johnson is a member of Alpha Kappa Alpha, not Delta Sigma Theta.