Thank you for all the replies to my message.
This is the information I have on Thomas and Ann McElnay.
Thomas and Ann McElnay had the following children:
Ellen McElnay 18th January 1864 at Craig, Bushmills. Land Stewart 
Mary Jane McElnay 12th January 1868 at Drumnalkelly, Omagh district 2. Land Stewart 
Elizabeth McElnay 18th June 1866 at Lisonkelly, Omagh. Labourer
Emily McElnay around 1877. Land agent from her marriage cert, have not found her birth certificate.
Annie McElnay about 1867. Labourer again from her marriage certificate 
Jeannie McElnay about 1876
John McElnay February 1873, Glenburn Alley, Belfast. Gardener from Death certificate 
There may have been others that I have not found yet.
For more information about their burials go to 
www.dof.belfastcity.gov.uk for burial plots and information about their last address etc.
Ellen