In the latter half of the 19th century, institutions including the Longmore Hospital, the Royal Blind Asylum, and St Margaret's School set up in Newington.

South of Salisbury Road, these give way to sparser, late Georgian and early Victorian developments, some of which were founded as gated communities.

This was known as "Mounthooly Loan" either in reference to a now-lost chapel at its eastern end in St Leonard's or, via Old Norse, to a "ridged house of the dead": an ancient burial site somewhere in its vicinity.

[28][29] On 12 February 1829, a week after the execution of William Hare, a mob from Edinburgh surrounded the house of Robert Knox on Newington Road.

[45][44] After Sir George Stewart's death in 1822, Newington House had passed through a number of owners until its occupation in 1852 by Liberal politician, Duncan McLaren.

[47] In 1864, Cousin radically revised this scheme to create a plan of curving streets centring on a communally-owned green space at Waverley Park.

[51] Encouraged by the success of McLaren's Mayfield scheme, Sir Robert Gordon-Gilmour feued the area to its south as East and West Craigmillar Park, beginning in 1876.

Bartholomew relocated his family's cartographic firm to Duncan Street, reincorporating the portico of Falcon Hall in the façade of the new works.

The synagogue was consecrated by Chief Rabbi, Joseph Hertz in front of a crowd of 1,400, which included Edinburgh's lord provost, councillors, and members of parliament.

The East Suffolk Road buildings were sold to St Margaret's School and the united congregation adopted the name Craigmillar Park.

The site and an adjoining furniture depository were redeveloped as John Sinclair House, which opened as the headquarters of the Royal Commission on the Ancient and Historical Monuments of Scotland in 1991.

[93] The Buildings of Scotland guide to Edinburgh summarises Newington's development as "attracting villas and terraces and then subjecting them to the pressures of commerce and traffic".

[96] The high ground of northern Newington affords views of Arthur's Seat to the east and of Liberton and the countryside of Midlothian to the south.

[9][32][99] Despite mature tree growth throughout as well as a number of roadside "nature strips" and communal private gardens, the only public park is a small area around the Braid Burn at the southern tip of Newington.

Buildings on South Clerk Street and Causewayside align to the heel of pavement while elsewhere blocks are mostly set back behind small front gardens.

[96] The rigorous imposition of Georgian and Victorian feuing plans means that, south of Salisbury Place/Salisbury Road, the density of buildings has remained low.

[102] A similar combination of low-rise housing set back behind front gardens and mature tree growth characterises the southern portion of Newington.

[110][b] The current councillors are Cameron Rose (Conservative); Alison Dickie (SNP); Steve Burgess (Green); and Ian Perry (Labour).

[113] Prior to the 19th century, the area currently covered by Newington was part of the county of Midlothian and divided between the parishes of St Cuthbert's and Liberton.

[114][115] The portion of Newington north of Blacket Place and Duncan Street lies within the Edinburgh Central constituency, which has been represented by Angus Robertson (SNP) since the 2021 election.

Designated in 1972, this incorporates Salisbury Green in St Leonard's and the area around Marchhall Place at the northern tip of Prestonfield while excluding the west side of Causewayside/Ratcliffe Terrace south of the National Library of Scotland's Causewayside building.

[150] Early Victorian tenements, as at Lutton Place and Oxford Street, adopt a classical idiom similar to that of the preceding late Georgian era.

[152] 23–25 Blacket Place, by James Gowans and Arthur Lodge on Dalkeith Road, a low Greek revival villa by Thomas Hamilton, completed in 1830.

[153] Three sets of Tudor Gothic gates and lodges on Dalkeith Road and two on Minto Street were constructed around 1825 to restrict access to the Blacket development.

[64][157] Later developments include a 1930s tenement block on the corner of Bernard Terrace and Dalkeith Road, which is the work of City Architect, Ebenezer James MacRae.

It occupies the former Craigmillar Park Free Church buildings on East Suffolk Road, which were vacated by St Margaret's School at its closure in 2010.

[183] Other prominent early inhabitants of Newington included William Blackwood, founder of his namesake publishing house, and Robert Knox, the anatomist infamous for his involvement in the Burke and Hare murders.

Other prominent ministers then resident in Newington included John Brown and Thomas M'Crie, leading figures in the United Secession Church.

[18] David Octavius Hill, the artist and pioneering photographer famed for depicting the Disruption's leaders, died at his house in Newington in 1870.

[185][186] In the 20th century, inhabitants included the entertainer Will Fyffe, athlete and missionary Eric Liddell, geneticist C. H. Waddington, choreographer Lindsay Kemp, Corries folk singer Ronnie Browne and author Ian Rankin.