The younger McCain, 27, serves as a lieutenant in the Navy, stationed in Guam where he is a helicopter pilot. Swift, 29, a Bay area native, is a captain in the USAF reserve. The couple met in Guam.
The wedding ceremony was held at San Francisco's Grace Cathedral, with a reception following at the California Academy of Sciences, said the rep.
The festivities were attended by all of the McCain children, reports The Washington Post. Also attending the couple's rehearsal dinner Friday night at the Tonga Room of the Fairmont Hotel, said the newspaper: former presidential candidate and Massachusetts Gov. Mitt Romney.
The couple planned to honeymoon in Africa, after which Jack McCain is slated for another deployment.