There are no attestations in the Poetic Edda about Gná.
Chapter 35(p.30-31): Gna is listed as the fourteenth Asynia. She is Frigg's messenger and rides her horse Hofvarpnir across the sky and sea.
Fourteenth Gna: she is sent by Frigg into various worlds to carry out her business. She has a horse that gallops across sky and sea, called Hofvarpnir. It happened once as she was riding that some Vanir saw her travelling through the sky.
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‘From Gna’s name a thing is said to tower (gnæfa) when it goes high up.
Chapter 75(p.157): Gna’s name is given in a list of Asyniur.
Now shall all the Asyniur be named. Frigg and Freyia, Fulla and Snotra, Gerd and Gefiun, Gna, Lofn, Skadi, Iord and Idunn, Ilm, Bil, Niorun.
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