Making their Grand Prix debut, the pair placed sixth at the 2015 Skate America and fourth at the 2015 Rostelecom Cup. Another Challenger medal followed, bronze at the 2015 Golden Spin of Zagreb in December. In January, Kayne/O'Shea placed first in both segments at the 2016 U.S. Championships and won the gold medal by a margin of 14.85 points over defending champions Alexa Scimeca / Chris Knierim.