Regarding the birth of Samuel Sheils on 23 January 1914 registered Larne district, Carrickfergus sub-district, the mother's name was Isabella Sheils.
Regarding the 1916 marriage of Robert Wallace and Isabella Shields in St. Nicholas' Church of Ireland, Carrickfergus, just to note that Isabella's address was Lancasterian Street which fits with the previously posted 1901 and 1911 census returns. However, groom Robert Hugh Wallace was recorded as a full aged widower and a Sergeant Major, with an address of the local Sunnylands Camp, his father (Henry) was given as a shopkeeper. Robert Hugh Wallace senior in the 1901 census at house 31 in Middle Division, Carrickfergus Rural (and in the 1911 census at house 22 in Unity Street, Carrickfergus) was married in Woodburn Presbyterian Church, Carrickfergus, to Jeannie Wilson in 1888, then Jane Bell in 1890, in both cases, his father was given as Thomas Wallace, a farmer.
Edited to add: There is an old local newspaper reference that 'During the Great War over 1,000 troops were stationed at Sunnylands Camp' and another reference to indicate that the Royal Irish Rifles were amongst those stationed.