  earl of kingston is a title in the peerage of ireland. it was created in 1768 for edward king, 1st viscount kingston. the earl holds the subsidiary titles baron kingston, of rockingham in the county of roscommon (created in 1764), viscount kingston, of kingsborough in the county of sligo (created in 1766), baron erris, of boyle in the county of roscommon (created in 1801), and viscount lorton, of boyle in the county of roscommon (created in 1806), also in the peerage of ireland. he is also a baronet in the baronetage of ireland. between 1821 and 1869 the earls also held the title baron kingston, of mitchelstown in the county of cork (created in 1821), in the peerage of the united kingdom. ==family history until 1755== the king family descends from robert king, younger brother of john king, 1st baron kingston (a title which became extinct in 1761; see baron kingston). in 1682 robert king was created a baronet, of boyle abbey in the county of roscommon. he subsequently represented county roscommon and boyle in the irish house of commons. he was succeeded by his son, john, the second baronet, who also represented county roscommon and boyle in the irish parliament. john died childless and was succeeded by his younger brother, henry, the third baronet, who like his father and brother represented county roscommon and boyle in parliament. henry was succeeded by his eldest son, robert, the fourth baronet, who sat as member of parliament for boyle. in 1748, aged 24, robert was created baron kingsborough in the peerage of ireland.{{london gazette |issue=8749 |date=28 may 1748 |startpage=1
Earldoms_in_the_Peerage_of_Ireland