Too many to comment on but it's worth looking some of the names up on FreeBMD and then following through on family history websites like Genes Reunited and relevent censuses.
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eg John Lawrence Knight, born Steyning District (Hove or Preston) 1883 married 1908 (link on Genes).
Horace Grosvenor born Brigton 1887, married Kate King 1911, daughter and a son. (link on Genes)
Percy Isaac Sawyer born Brighton 1891, married Rose Martin 1919, daughter 1920
Robert Victor Thompson born Brighton 1904, (2 links on Genes) Thomas George Spencer born Brighton 1908 (link on Genes),
Joseph Alfred Vinall born Brighton 1904.
George Edward Newton may have been George Edmond Newton born Brighton 1897 (link on Genes)
Roy G