[7] Family names associated with the area at this time included Mac Giolla Mocolmog (FitzDermot), O'Cathasaidhe, Fitzwilliam, Le Gros (Grace), O'Dualainghe, Tyrrell, O'Hennessy, O'Morchain, Dillon, O'Kelly, De Barneval (Barnewall), and Newcomyn (Newcomen).

In 1307, the manor of Ballyfermot was held by William Fitzwilliam and his wife Avice, who leased part of it to Thomas Cantock, the Lord Chancellor of Ireland.

[7] Located northwest of the intersection of Le Fanu and Raheen Roads, it was the centre of the Upper (west) and Lower (east) Ballyfermot townships.

Built in stone by Wolfram De Barneval in the fourteenth century, it was a stronghold against the O'Byrne and O'Toole families.

[citation needed] The nineteenth century newspaper publisher and writer Joseph Sheridan Le Fanu, proprietor of the Dublin Evening Mail, lived in nearby Chapelizod when not in residence his city townhouse at Merrion Square.

Le Fanu was a mentor of the writer Bram Stoker author of Dracula, who did the theatre reviews for his newspaper The Dublin Evening Mail.

A short distance from the castle site at the south-east end of Le Fanu Park is a mound which covers the ruins and churchyard of the rectory church of St Laurence.

[citation needed] During the 1970s Ballyfermot suffered from a lack of facilities and opportunities for its residents;[8] however, these conditions have improved over time.

They are centred around Kylemore Road, home to companies such as Thornton's Recycling, C&C, FBD, and Royal Liver Insurance.

[citation needed] A community based CCTV monitoring scheme for Ballyfermot was launched in early 2003.

[citation needed] The park covers part of the great esker east of Dublin, and overlooks the Liffey Valley from the south.

From Le Fanu and Kylemore Roads to the east, it falls to the landscaped valley of a Liffey tributary, the Glenaulin Stream.

The Chapelizod Bypass runs northwest alongside and Kylemore Road joins the motorway near the West County Hotel.

[citation needed] Cherry Orchard Hospital is a public health facility which has a containment laboratory capable of testing for the deliberate release of Bacillus anthracis.

[9] The Ballyfermot Medical Clinic is closed but a new Primary Care and Mental Health Centre has been opened beside Cherry Orchard Hospital.

The Hermitage Medical Clinic is located in close proximity to the Liffey Valley Shopping Centre, just off the N4 motorway.

Its principal investors are Sean Mulryan, Larry Goodman, John Flynn and George Duffy GP.

A fictional "Ballyfermot School" was created for the children's television programme Roy, and many of the episodes were set there.

[citation needed] The local civic centre shares space with the Ballyfermot Residents Association (BRA).

[15] On the outskirts of Ballyfermot and Bluebell, there is a relatively high Irish Traveller population, mostly located in the Labre Park area.

[citation needed] Former players with the club include Andy Reid, William Flood, Alan Quinn and Glenn Whelan.

[19] The Ballyfermot United FC Social Club is located close to Le Fanu Park.

[citation needed] Professional football club St Patrick's Athletic, who play in the League of Ireland, are located in nearby Inchicore, and Ballyfermot has a large number of Saints fans.

The Gaels play their home games Liffeyside at East Timor Park on Sarsfield Road in Inchicore.

[citation needed] St Matthew's Boxing Club[22] is located on Drumfinn Road adjacent to the grounds of Mary Queen of Angels National School, close to Ballyfermot Garda Station.

[22] Cherry Orchard Boxing Club was founded by volunteers in 2012 to cope with the demand for the sport in the area after the summer Olympics.

[24] The problem of horses being kept in the Dublin suburb has spanned generations despite lack of proper facilities and horsemanship knowledge.

[25] This centre was established in order to combat this issue and provide people with the skills required to care for a horse.

Ballyfermot Leisure Co-Op (BLCO) is located on Gurteen Road adjacent to Mary Queen of Angels National School.

SanoVitae Health and Fitness Club[27] is located in the Clarion Hotel complex close to the Liffey Valley Shopping Centre.