
- The Perishable Picnic was the outcome of Deirdre O’Mahony’s residency in Lynders’ Mobile Home Park, Portrane County Dublin for Fingal Arts Office’s Resort Residency and celebrated the history of fruit growing in North County Dublin. A giant ceramic, strawberry jam pot made by Glasgow-based artist Garnet McCulloch was the centrepiece for a feast of strawberry foods, drinks, and conversation about the history of fruit farming in the area with a particular focus on Quaker Farming practices, ethics and investment in the area and an industry that once played an important role in the local economy and community.
- Research on residency at the Museum of English Rural Life (MERL) in 2017, began for Deirdre O'Mahony with the proposition, is 'carbon-neutral' beef possible? Scientists are currently testing the effect of different kinds of forage such as Sainfoin, on animal and soil health and on levels of methane produced by livestock. This art film project, supported by the Wellcome Trust investigated historical references to forages like Sainfoin in the museum archives and reviewed some of the extensive collection of documentary films produced to teach and promote increased efficiency in agriculture
- Deirdre O’Mahony’s research and curatorial output for the CERERE public artwork has taken several forms. A discussion process called Mind Meitheal that provides public space for a multi-actor, culturally driven knowledge exchange, a specially commissioned artwork from artist Sadhbh Gaston and three short films that have documented some of the engagement process.
- 2000's The Persistent Return The Persistent Return is a moving image installation first presented at VISUAL in Ireland in June 2018 and subsequently at the Natuurmuseum Fryslân as part of the 2018 European Capital Of Culture. The installation represents the culmination of O’Mahony’s research-led project SPUD (2009 - 2019) and was a partnership production between cultural producers, Workhouse Union and VISUAL Carlow and an Arts Council Project Award.