Hi Norrie,  
Benjamin Muircroft b 22/2/1915  d 30/03/1916, Lochgelly.  His father was Robert Muircroft d 1946 Wishaw.  His mother was Annie Hay [Robert's housekeeper].
Robert had a daughter Annie Muircroft 1907 Lochgelly - 1961 East Kilbride, mother Annie Morgan [Housekeeper]
Think Annie Morgan and Annie Hay might be same person. Haven't found a marriage. 
1911 Census - 9 Russell St, Lochgelly. Fife.
Robert Muircroft  age 35
Annie Muircroft  age 3
Annie Morgan age 38 - Housekeeper.
David Morgan age 27 - Brother.
David Hay age 17  - Brother.