Viscounts Lisburne in the Peerage of Ireland (1685–1691)
Viscounts Lisburne
- Adam Loftus, 1st Viscount Lisburne and Baron Rathfarnham (1647–1691)
Baron Loftus of Loftus Hall in the Peerage of Ireland, First creation (1751–1783)
Viscounts Loftus in the Peerage of Ireland, First creation (1756–1783)
Earls of Ely in the Peerage of Ireland, First creation (1766–1769)
Earls of Ely in the Peerage of Ireland, Second creation (1771–1783)
1st Viscount Loftus
- Nicholas Loftus, 1st Viscount Loftus, 1st Baron Loftus (c. 1687–1763) descended from the younger brother of 1st Viscount Lisburne.
1st Earl of Ely, 2nd Viscount Loftus
- Nicholas Hume-Loftus, 1st Earl of Ely, 2nd Viscount Loftus (d.1766) married Mary Hume, daughter of Sir Gustavus Hume of Castle Hume, 3rd Baronet.
2nd Earl of Ely, 3rd Viscount Loftus
- Nicholas Hume-Loftus, 2nd Earl of Ely, 3rd Viscount Loftus (1738–1769) The Earldom of Ely (First Creation) became extinct on his death but the Viscountcy of Loftus, passed to his uncle, The Hon. Henry Loftus.
1st Earl of Ely, 4th Viscount Loftus KP
- Henry Loftus, 1st Earl of Ely, 4th Viscount Loftus KP (1709–1783) younger son of Nicholas Loftus, 1st Viscount Loftus. On the death of the 1st Earl of Ely all his titles became extinct and his estates passed to his nephew Sir Charles Tottenham, 2nd Bt., later 1st Marquess of Ely. Knight Founder of the Order of St Patrick.
Hume of Castle Hume in the Baronetage of Ireland (1671)
Hume of Castle Hume
- Sir John Hume, 1st Baronet (d.1691)
- Sir John Hume, 2nd Baronet (d.1695)
- Sir Gustavus Hume, 3rd Baronet (1689-1731)
- Sir Charles Hume, 4th Baronet (d.1750)
Tottenham, later Loftus, later Tottenham of Tottenham Green in the Baronetage of Ireland (1780)
Baron Loftus of Loftus Hall in the Peerage of Ireland, Second creation (1785)
Viscount Loftus of Ely in the Peerage of Ireland, Second creation (1789)
Earl of Ely in the Peerage of Ireland, Third creation (1794)
Marquess of Ely in the Peerage of Ireland (1800)
Baron Loftus of Long Loftus in the Peerage of the United Kingdom (1801)
Tottenham of Tottenham Green
- Sir John Tottenham, 1st Baronet (1714–1786) married The Hon. Elizabeth Loftus, third daughter by his first wife of Nicholas Loftus, 1st Viscount Loftus.
1st to 7th Marquesses of Ely
- Sir Charles Loftus, 1st Marquess of Ely, 1st Earl of Ely, 1st Viscount Loftus, 1st Baron Loftus, 2nd Baronet KP (1738–1806)
- John Loftus, 2nd Marquess of Ely KP (1770–1845)
- John Henry Loftus, 3rd Marquess of Ely (1814–1857)
- John Henry Wellington Graham Loftus, 4th Marquess of Ely (1849–1889)
- John Henry Loftus, 5th Marquess of Ely (1851–1925)
- George Herbert Loftus, 6th Marquess of Ely (1854–1935)
- George Henry Wellington Loftus, 7th Marquess of Ely (1903–1969)
8th and 9th Marquesses of Ely
- Charles John Tottenham, 8th Marquess of Ely (1913–2006) descended from 1st Marquess of Ely.
- John Tottenham, 9th Marquess of Ely, 9th Earl of Ely, 9th Viscount Loftus, 9th Baron Loftus, 10th Baronet (b.1943)