Jackie, once a commonly used name for both boys (i.e. baseball legend Jackie Robinson) and girls, has now become unfashionable for both. For boys, you’re better off sticking with one of the names from which its derived, Jack, Jackson, Jacob, or John.
Johnny, Johnnie, Jax, Jacky, Jack, Gino
Jonnie, Jonn, Jon, Johnn, Ivan, Giovany
Baseball player Jackie Robinson, Actor Jackie Chan, Actor Jackie Gleason