Sir George Smith Clark DL (1861-1935) was born and educated in Scotland. He founded the Workman, Clark shipyard in Belfast when he was nineteen, with his cousin Frank Workman. His wife Frances was a member of the Matier linen manufacturing family. Workman, Clark was one of the largest shipbuilding yards in the world, mostly producing medium sized ships for the passenger and cargo markets, while Harland & Wolff built the large luxury ocean liners, such as Titanic.
Clark was a staunch Unionist and friend of Sir Edward Carson, and supported his UVF gun running campaign in April 1914. He was awarded the baronetcy of Dunlambert in 1917. He was active in politics and became a Senator in the Northern Ireland Parliament in 1925. He also served as Director of the Bank of Ireland. His elder son, Geordie (1882-1950), was great friends with Dora. He was a Naval Architect who took on various public roles in Northern Ireland and inherited the baronetcy. He and his wife Norah had four children.