On April 5, 1862, Guinness formally registered the harp as its official symbol, long before Ireland even had its own government.

The first Guinness labels featuring the now-iconic harp were printed in August of that year according to 'Guinness's Brewery in the Irish Economy 1759 - 1876' by Patrick Lynch and John Vaizey.

The harp, which serves as the emblem of Guinness, is based on a famous 14th-century Irish harp known as the "O'Neill" or "Brian Boru" harp, which is now preserved in the Library of Trinity College Dublin.

The harp is also the official national emblem of the Republic of Ireland and can be found on the Republic's coinage that was phased out when the Euro currency was introduced. The harp symbol was also featured on Irish flags during the 1916 Easter Rising.

An Irish penny from 1931 that featured the harp symbol. (Getty Images)

An Irish penny from 1931 that featured the harp symbol. (Getty Images)

However, there is a difference between the Irish government harp and the Guinness harp. As Guinness had trademarked the harp symbol in 1876, the Irish Free State Government of 1922 had to turn the official government harp the other way around so that it could be differentiated from the trademarked Guinness harp.

As such, the Guinness Harp always appears with its straight edge (the soundboard) to the left, and the government harp is always shown with its straight edge to the right.

It is because of the harp trademark that the Guinness company named its first lager Harp, in 1960.

Guinness! Synonymous with the harp symbol.

Guinness! Synonymous with the harp symbol.

The harp is one of three elements that make up the Guinness brand livery. The other two elements are “Guinness” (the word) and Arthur Guinness’s famous signature.

There have been a number of changes to the design of the harp device over the years including a reduction in the number of strings shown. The current harp was introduced in 2005 when a new brand livery was launched.

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Downhill Harp

The famous Downhill Harp, dating back to 1702, was purchased by Guinness in 1963 to ensure its continued preservation and is on display in the advertising gallery in Guinness Storehouse.

The Downhill Harp was made by Cormac O’Kelly of Ballinascreen and played by the blind harpist, Hempson (or O’Hampsey) in the 18th century. Hempson played in the traditional style, plucking the strings with his long fingernails. At 97, he was the oldest harpist at the Belfast Harp Festival of 1792, although he is perhaps most famous for his concert for Prince Charles Edward Stuart, or ‘Bonnie Prince Charlie’, in 1745.

The harp bears the inscription:

In the time of Noah I was green,

Since his flood I had not been seen,

Until Seventeen hundred and two I was found By Cormac O Kelly underground:

He raised me up to that degree

That Queen of Musick you may call me.

For more, visit Guinness.com or follow Guinness on Facebook, Twitter, or Instagram.

* Originally published in 2016, updated in April 2024.