See that you didn't get any replies to this post from last January.
For reference here's Moses and family in 1901 census- children Samuel
Walter 4, Francis
Hazel 2.
www.census.nationalarchives.ie/pages/1901/Armagh/Cornakinnegar/Derrylisnahavil/1024162In 1911 the family are in the same townland- 7 children but only 6 living.
www.census.nationalarchives.ie/pages/1911/Armagh/Cornakinnegar/Derrylisnahavil/335094Children: Walter 14, Frances
Hezel 12, Winnifred 9, Eileen 6, Muriel 3, Allan ? 4 mo.
From PRONI Will extracts: "Douglas Moses of Clarence Villa Avenue Road Lurgan county Armagh warehouse manager died 12 September 1934 Probate Belfast 14 January to James McCammon farmer and S. Walter Douglas factory manager. Effects £6165 5s. 1d."
Have you seen the Will to see if Samuel Walter & Francis Hazel are mentioned?
Birth: Samuel Walter Douglas, Apr./June 1896 Lurgan registration district, volume 1 page 719
Birth: Frances Hazel Douglas, Oct./Dec.1898 Lurgan registration district, volume 1 page 658
Birth: Winifred Douglas, Oct./Dec.1901 Lurgan registration district, volume 1 page 643
Birth: Eileen Gertrude Douglas, Apr./June 1904 Lurgan registration district, volume 1 page 723
Birth: Mary Muriel Douglas, Apr./June 1908 Lurgan registration district, volume 1 page 705
Birth: Allan Victor Douglas, Oct./Dec.1910 Lurgan registration district, volume 1 page 594