There have been five Baronetcies created for persons with the surname Kennedy, one in the Baronetage of Ireland, three in the Baronetage of Nova Scotia and one in the Baronetage of the United Kingdom. One creation is extant as of 2010.

The Kennedy Baronetcy (no territorial designation

Territorial designation

A territorial designation follows modern peerage titles, linking them to a specific place or places. It is also an integral part of all baronetcies...

) was created in the Baronetage of Ireland on 25 January 1666 for Robert Kennedy. On the death of the fourth Baronet in 1710 the next heir was under attainder

Attainder

In English criminal law, attainder or attinctura is the metaphorical 'stain' or 'corruption of blood' which arises from being condemned for a serious capital crime . It entails losing not only one's property and hereditary titles, but typically also the right to pass them on to one's heirs...

 and the baronetcy consequently forfeited.

The Kennedy Baronetcy, of Girvan in the County of Ayr, was created in the Baronetage of Nova Scotia on 4 August 1673 for John Kennedy. The title became extinct on the death of the second Baronet in 1740.

The Kennedy Baronetcy, of Culzean in the County of Ayr, was created in the Baronetage of Nova Scotia on 8 December 1682 for Archibald Kennedy. He was the great-grandson of Sir Thomas Kennedy, Master of Cassilis, younger son of Gilbert Kennedy, 3rd Earl of Cassilis

Gilbert Kennedy, 3rd Earl of Cassilis

Gilbert Kennedy, 3rd Earl of Cassilis was a Scottish peer, the son of Gilbert Kennedy, 2nd Earl of Cassilis.He succeeded to the titles of 5th Lord Kennedy and 3rd Earl of Cassillis in August 1527. On 6 February 1540/41 he had a charter of the Fief of Cassilis...

. The fourth Baronet succeeded to the earldom of Cassilis

Marquess of Ailsa

Marquess of Ailsa, of the Isle of Ailsa in the County of Ayr, is a title in the Peerage of the United Kingdom. It was created on 10 September 1831 for Archibald Kennedy, 12th Earl of Cassillis. The title Earl of Cassillis had been created in 1509 for the 3rd Lord Kennedy. This title had been...

 in 1759. The baronetcy remained a subsidiary title of the earldom until the baronetcy became extinct 1792. See Marquess of Ailsa

Marquess of Ailsa

Marquess of Ailsa, of the Isle of Ailsa in the County of Ayr, is a title in the Peerage of the United Kingdom. It was created on 10 September 1831 for Archibald Kennedy, 12th Earl of Cassillis. The title Earl of Cassillis had been created in 1509 for the 3rd Lord Kennedy. This title had been...

 for more information. Susanna, Countess of Eglinton

Susanna Montgomery, Countess of Eglinton

Susanna or Susannah Montgomery or Montgomerie was the daughter of Sir Archibald Kennedy, 1st Baronet of Culzean and the third wife of Alexander Seton Montgomerie , ninth Earl of Eglinton in the Peerage of Scotland. Born in 1690, she died at Auchans on March 18, 1780 at the age of 90. She had been a...

, daughter of the first Baronet, was a celebrated beauty and literary patron.

The Kennedy Baronetcy, of Clowburn in the County of Lanark, was created in the Baronetage of Nova Scotia on 8 June 1698 for Andrew Kennedy. The title became either extinct or dormant on the death of the second Baronet in 1729.

The Kennedy Baronetcy, of Johnstown Kennedy in the County of Dublin, was created in the Baronetage of the United Kingdom on 18 July 1836 for John Kennedy. The presumed eighth Baronet has not successfully proven his succession and is therefore not on the Official Roll of the Baronetage, with the baronetcy considered dormant since 1988. Francis William Kennedy (1862-1939), son of Robert Kennedy, fifth son of the first Baronet, was an Admiral in the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

. The family seat is Johnstown Kennedy, Rathcoole

Rathcoole

Rathcoole may refer to:* Rathcoole, Dublin, a village in south Dublin, Republic of Ireland* Rathcoole , a large housing estate in Newtownabbey, Co. Antrim, Northern Ireland, UK* Rathcoole Aerodrome Co. Cork, Republic of Ireland...

, County Dublin

County Dublin

County Dublin is a county in Ireland. It is part of the Dublin Region and is also located in the province of Leinster. It is named after the city of Dublin which is the capital of Ireland. County Dublin was one of the first of the parts of Ireland to be shired by King John of England following the...

.

Kennedy Baronets (1665)

• Sir Robert Kennedy, 1st Baronet (d. 1668)
• Sir Richard Kennedy, 2nd Baronet (d. 1685)
• Sir Robert Kennedy, 3rd Baronet (c. 1650-1688)
• Sir Richard Kennedy, 4th Baronet (c. 1686-1710)

Kennedy Baronets, of Girvan (1673)

• Sir John Kennedy, 1st Baronet (d. c. 1700)
• Sir Gilbert Kennedy, 2nd Baronet (d. 1740)

Kennedy Baronets, of Culzean (1682)

• Sir Archibald Kennedy, 1st Baronet (d. 1710)
• Sir John Kennedy, 2nd Baronet (d. 1742)
• Sir John Kennedy, 3rd Baronet (d. 1744)
• Sir Thomas Kennedy, 4th Baronet (d. 1775)

see Marquess of Ailsa

Marquess of Ailsa

Marquess of Ailsa, of the Isle of Ailsa in the County of Ayr, is a title in the Peerage of the United Kingdom. It was created on 10 September 1831 for Archibald Kennedy, 12th Earl of Cassillis. The title Earl of Cassillis had been created in 1509 for the 3rd Lord Kennedy. This title had been...

for further history of the baronetcy.

Kennedy Baronets, of Clowburn (1698)

• Sir Andrew Kennedy, 1st Baronet (d. 1717)
• Sir John Vere Kennedy, 2nd Baronet (d. 1729)

Kennedy Baronets, of Johnstown Kennedy (1836)

• Sir John Kennedy, 1st Baronet (1785-1848)
• Sir Charles Edward Bayly Kennedy, 2nd Baronet (1820-1880)
• Sir John Charles Kennedy, 3rd Baronet (1856-1923)
• Sir John Ralph Bayly Kennedy, 4th Baronet (1896-1968)
• Sir James Edward Kennedy, 5th Baronet (1898-1974)
• Sir Derrick Edward de Vere Kennedy, 6th Baronet (1904-1976)
• Sir (George) Ronald Derrick Kennedy, 7th Baronet (1927-1988)
• Sir Michael Edward Kennedy, 8th Baronet (b. 1956)