Name: LUCAS
Initials: J
Nationality: United Kingdom
Rank: Rifleman
Regiment/Service: Royal Irish Rifles
Unit Text: 1st Bn.
Age: 33
Date of Death: 19/11/1914
Service No: 8777
Additional information: Son of John William and Mary Jane Lucas, of Knocknalossett, Shercock, Co. Cavan.
Casualty Type: Commonwealth War Dead
Grave/Memorial Reference: II. K. 8.
Cemetery: ROYAL IRISH RIFLES GRAVEYARD, LAVENTIE
I am not sure what you mean about no memorial. If you go to the cwgc web site
http://www.cwgc.org/search/cemetery_photos.aspx?cemetery=66011&mode=1you will see a photo of the graveyard, and each man has a memorial there. The plan of the cemetery given shows where his plot is. In other words you can go to Laventie Cemetery and visit plot II.K.8