Helpful or a cushion
Derived from the Irish surname Γ Cuidighthigh, it originally signified a descendant of a 'helpful person.' It is also occasionally associated with the word for a pillow or cushion in Middle English contexts.
Less common today
Coady isn't in the latest US Top 1000. It last peaked at #3,305 in 1990.
American drummer for the bands Big Business and Melvins
English professional footballer
US births per 5-year period, 1990βpresent (SSA data).