You may get One-Parent Family Payment for as long as you meet the qualifying conditions and for all new claims awarded on or after 03 May 2012:
Payment will continue until your youngest child reaches 12 years of age.
From 4th July 2013, payment will continue until your youngest child reaches 10 years of age.
From 3rd July 2014, payment will continue until your youngest child reaches 7 years of age.
From 05 January 2012 the temporary payment of half of the rate of OPFP where the recipient’s earnings exceed €425 per week will cease. Existing recipients before 05 January 2012 of the temporary payment will not be affected.