| NAME AUTHORITIES: LOC: Dufferin and Clandeboye, Helen Selina Blackwood, Baroness, 1807-1867 NRA: Blackwood, Helen Selina (1807-1867) nee Sheridan, author and poet, wife of Earl of Gifford DNB: Hay [née Sheridan], Helen Selina, countess of Gifford [other married name Helen Selina Blackwood, Lady Dufferin and Claneboye] (1807-1867), author and song writer LBT ID: LyGiffo1 VIAF ID: 100648429 LOC ID: n82164826 | B/BAP:   1807 DIED: 1867-06-13 | 
| SOURCES: DNB; Virtual International Authority File; LOC Name Authority File | |
| English poet, the elder sister of Caroline Norton and granddaughter of Richard Brinsley
                        Sheridan; in 1825 she married Price Blackwood (1794-1841), baron Dufferin; in 1862 she
                        remarried, to George Hay, earl of Gifford. | |