Surname Conna (Conna 
) , across the world, is a rare cognomen. The last name Conna is habitual in Ghana, where it is a rare surname, Australia, and New Zealand, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Ghana, Australia, and Myanmar. Likewise, Conna is the forename as well as the last name.
| john n. conna (1836-1921) John Newington Conna was a pivotal figure in the early history and development of Washington State. Born enslaved near San Augustine, Texas in 1836, Conna was a free man by the time of the Civil War because he served in the 1st Louisiana, US (b. 1836) |
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