Brooke Henderson is starting 2026 with a new caddie setup, as her long-time sister Brittany Henderson steps away due to Brittany’s pregnancy. For most of the season, Brooke has rolled with veteran caddie John Killeen on the bag, beginning after the season opener in Orlando. A final appearance with Brittany occurred at the Hilton Grand Vacations Tournament of Champions, with Brittany then focusing on family, and Killeen stepping in for the remainder of the year.[1][2][3][4]
Key details
- Brittany Henderson served as Brooke’s caddie since 2016, but paused on full-time duties in 2026 because she and her husband are expecting their first child in June.[2][1]
- Brooke opened the 2026 season with Brittany for one event before transitioning to John Killeen for the rest of the year.[3][1]
- The change was publicly discussed in January 2026, with subsequent coverage confirming Killeen’s role and Brittany’s eventual temporary departure from the bag.[4][7]
What this means for Brooke
- Expect a shift to a more veteran, steadier pairing on the bag as she adjusts to life without her sister-caddie, at least for part of the season. The new arrangement aims to maintain continuity as she competes across a demanding LPGA schedule, including Asia Swing events later in the year.[7]
- The dynamic of a longer-running family partnership changing can impact on-course communication and feel, but many players have successfully transitioned to seasoned looper teammates mid-career.[9][3]
Illustrative note
- Brooke’s 2025 CPKC Women’s Open win underscores how quickly on-course partnerships can influence performance; the 2026 changes come as she builds around a new caddie lineup while Brittany focuses on family.[1]
If you’d like, I can pull the latest articles from specific outlets or summarize quotes from Brooke, Brittany, or John Killeen in the coverage.
Sources
Brittany Henderson isn’t on the bag anymore. But for Brooke Henderson, that’s not just a caddie change. That’s the woman who was with her for 13 of her 14 LPGA victories suddenly not being there, and that’s a lot to adjust to.
www.yardbarker.comSince turning professional, the Canadian has had her older sister, Brittany, on the bag
www.golfmonthly.comDuring our time together she opened up about what it's like having big sis on her bag, "I'm so grateful to have her. We started out as a trial back in 2015 and it just kind of stuck. I just count on her so much." But this year, Britt won't be on her bag because she and her husband Zach Sepanik, are expecting their first child in June. The news was first reported by Canadian sportswriter Adam Stanley on Sportsnet.ca. Stanley reports that Brittany will caddie for her sister at the LPGA's season...
www.skratch.golfHenderson’s sister and longtime looper, Brittany, who is expecting, will relinquish the bag following next week’s Hilton Grand Vacations Tournament of Champions in Orlando, Florida.
www.golfchannel.comThe Canadian will turn to John Killeen as her regular caddie while sister Brittany takes time away from the game for her pregnancy
www.golfmonthly.com