Who Is Rory McIlroy’s Caddie? Harry Diamond’s Story

Rory McIlroy caddie news is a lesser-discussed topic surrounding the outspoken Northern Irishman. But golf fans will want to know who caddies for Rory so you can get the most enjoyment from watching the Tour.

Who is Rory McIlroy’s caddie? Harry Diamond is Rory McIlroy’s caddie and has helped him to 9 PGA Tour victories and 2 FedEx Cup triumphs. In the past, he was also a great golfer and won amateur tournaments in Ireland. Plus, he’s a successful businessman and owns 14 pubs with his family in Belfast.

If you don’t know the details about a key member of the Tour, like Rory’s caddie, you’ll miss out on fully understanding the next Tour event.

After reading this post, you will know more about who Rory’s caddie is today, where he is from, whether he is married, and how much he earns.

In addition, I will reveal if the 4-time major winner’s partner is any good with a golf club in hand.

Here is a breakdown of what you will learn in our Rory McIlroy Caddie Review:

  • Who Is Rory McIlroy’s Caddie?
  • When Did He Become McIlroy’s Caddie?
  • How Do Rory McIlroy And Harry Diamond Know Each Other?
  • What Was Harry Diamond Before He Was Rory McIlroy Caddy?
  • What Are Rory McIlroy Caddie Earnings?
  • Where Is McIlroy’s Caddie From?
  • Biggest Achievements For Harry Diamond As Rory McIlroy’s Caddie?
  • Is Rory McIlroy’s Caddie, Harry Diamond, Married?
  • Do Harry Diamond And His Wife Have Children?
  • Is McIlroy’s Caddie A Good Golfer?

Who Is Rory McIlroy’s Caddie? Harry Diamond Overview

Rory McIlroy’s caddie today is his childhood friend, Harry Diamond.

Here are some quick facts about Harry Diamond:

  • Age: 39
  • DOB: 1984 (Month and date unknown)
  • Birthplace: Holywood, County Down, Northern Ireland
  • Nationality: Northern Irish
  • Relationship Status: Married to Katie Lamour

Read More: All of Rory McIlroy’s Clubs

When Did He Become McIlroy’s Caddie?


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Harry Diamond became McIlroy’s caddie in August 2017, commencing his duties at the  WGC-Bridgestone Invitational. Diamond saved the day after Rory sacked his caddy JP Fitzgerald in the build-up to the tournament at Firestone Country Club.

How Do Rory McIlroy And Harry Diamond Know Each Other?

Rory McIlroy’s caddie today, Harry Diamond, has long been a friend of the golfer, having grown up together in Holywood, County Down.

In addition, Diamond played the role of best man at McIlroy’s wedding to Erica Stoll.

Diamond is not the only friend to hold the title of a McIlroy caddie, as Niall O’Connor took the bag for the RBC Canadian Open title in 2022. O’Connor is a former fly-half for the professional rugby union franchise Ulster, another sport Rory is passionate about.

What Was Harry Diamond Before He Was Rory McIlroy’s Caddy?

Diamond had the ability to turn pro and notched up impressive victories like the West of Ireland Amateur Open Championship.

In addition, Diamond is a serial entrepreneur and hails from a family that owns multiple bars, restaurants, and hotels across Belfast. His intensive schedule as a young entrepreneur was reportedly one reason he never turned pro.

According to the Belfast Telegraph, Diamond and his family owned 14 pubs on the popular Golden Mile in the city.

What Are Rory McIlroy’s Caddie Earnings?

Since teaming up in August 2017, “Wee-Mac” has raked in over $35 Million in prize money. Although unconfirmed, reports suggest that McIlroy pays his caddie a flat 10% fee for his efforts, putting Harry Diamond’s golf-related income at an estimated $3.5 million.

Diamond was absent for two tournaments during his tenure, especially the RBC Canadian Open. In this case, he would not receive a payday, as the caddie filling in would get the just reward.

However, Harry and his family own a healthy portion of properties, including bars, restaurants, and hotels.

Since Diamond’s earnings aren’t public, I don’t have an exact figure but he’s a millionaire and was financially well off before picking up a bag for his buddy.

Read More: How Much Do Caddies Make?

Biggest Achievements for Rory McIlroy and His Caddie Harry Diamond?

Tournament Year Prize Money
Arnold Palmer Invitational presented by Mastercard 2018 $1,602,000
Ryder Cup (Team Europe) 2018
WGC-HSBC Champions 2019 €1,563,900.34
The Players Championship 2019 $2,250,000
TOUR Championship (FedEx Cup) 2019 $15,000,000
World Golf Championships-HSBC Champions 2019 $1,745,000
Wells Fargo Championship 2021 $1,458,000
CJ Cup 2021 $1.755,000
TOUR Championship (FedEx Cup) 2022 $18,000,000
THE CJ CUP in South Carolina 2022 $1.890,000
Hero Dubai Desert Classic 2023 €1,407,598.47

Is Rory McIlroy’s Caddie, Harry Diamond, Married?

Yes, Harry Diamond is married to the former model, tv presenter, and fashion designer Katie Larmour. Katie shared a picture of the couple in February 2021 kitted up in their wedding attire, with the caption “once upon a time in lockdown.” It appears they tied the knot during the pandemic.

Do Harry Diamond And His Wife Have Children?

Yes, Diamond and his wife, Katie Larmour, have two children, Finn and Axel Sean. Finn was born in 2021, while Larmour gave birth to Axel Sean in 2022.

Is McIlroy’s Caddie A Good Golfer?

Yes, Harry Diamond is a good golfer who had the ability to turn pro. He showed his class by winning the 2012 West of Ireland Amateur Open by 1 up over Stephen Healy. However, his business endeavors led him away from the links before returning to the game on Rory McIlroy’s bag.

Read More: Rory McIlroy’s Net Worth


What Happened To Rory Mcilroy's Caddy?

Rory McIlroy’s former caddy JP Fitzgerald now caddies for DP World Tour player Victor Perez. After a two-year hiatus from the sport, he started caddying for the Frenchman in 2019.

Did Rory McIlroy Switch Caddies?

Yes, Rory McIlroy parted ways with his caddy JP Fitzgerald before the 2017 WGC-Bridgestone Invitational. In addition, McIlroy has employed his buddy Niall O’Connor to fill in for his full-time caddie Harry Diamond on two occasions.

Where Is McIlroy’s Caddie From?

Like Rory, Harry Diamond, caddie extraordinaire, hails from the town of Holywood, Northern Ireland. The town is part of the Belfast metropolitan and is in the county Down.

Final Thoughts

That concludes our Rory McIlroy caddie review, where we dived into the life of Harry Diamond. Since partnering with his childhood friend, McIlroy has won 9 times on the PGA Tour and claimed the grand FedEx Cup prize on 2 occasions.

While working with Rory is highly lucrative, it is clear that Harry Diamond enjoys a successful career as a businessman and landlord. Finally, besides his ability to keep McIlroy calm on the links and his successful business empire, Diamond is married to his childhood sweetheart, and they have two children together.

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Matt has played golf since he was 4 years old and has written over 150 articles at GolfSpan since 2021. Matt specializes in product reviews using his postgraduate degree in Sports Marketing from Johan Cruyff Institute. Matt has a handicap index of 10.8 and currently plays weekly at Pilar Golf Course near his home in Buenos Aires, Argentina. He also loves his Callaway Odyssey Exo Rossie putter and likes a pepper steak pie with curry gravy at the turn. You can connect with him on LinkedIn

  • Best score: 70
  • Favorite club: Callaway Odyssey Exo Rossie
  • Favorite ball: Srixon Q-Star Tour
  • Favorite food at the turn: Pepper steak pie with curry gravy

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