Jonessa \j(o)-nessa, jon(es)-sa\ as a girl's name is a variant of Jo (American). See for meaning of Jonessa.
The baby name Jonessa sounds like Janessa, Jenessa and Jinessa. Other similar baby names are Vonessa, Inessa, Anessa, Danessa, Genessa, Joneva, Janeesa, Jalessa, Joleisa, Joleesa, Jonella, Jannessa, Janissa, Janesse, Janessia, Janess, Jeressa, Jennessa, Jessa, Jonisa, Jonetia, Jolissa, Jonetta, Lanessa, Lynessa, Ranessa, Vanessa, Vonnessa, Vonesse, Vinessa and Venessa.