Rope maker or seller
Kable is a variant of the occupational surname Cable, which originated from the Middle English and Old French word 'cable'. It historically referred to someone who manufactured or sold heavy ropes or cables, essential for maritime and construction work.
Less common today
Kable isn't in the latest US Top 1000. It last peaked at #4,730 in 2011.
US births per 5-year period, 1990βpresent (SSA data).