I got woo-ed into using this name.
Back in 1999, I was asked about some sigils I had embroidered on some black velvet robes for a masquerade at a SF/fantasy convention. The question was "Are those real
I didn't know, so I started researching runes. That led Me to Odin and to the rest of the Norse pantheon.
I was also into crystals, er, shiny geologically-created piezoelectric thingamajigs, and for a while was carrying a nice round piece of quartz in My pocket. One day, while having a coffee break at My IT job, I was holding this rock and meditating. In My imagination, I heard Odin call Me 'Astreja.' After a little more digging around I realized that the goddess variously known as Eostre, Ostara, Astarte, et al.
was MIA... So I volunteered.
And I *so* wish I was making this up...
(BTW, I still have the black velvet robes that started this whole thing. I tend to put them on October 31 and grumble a lot in a sarcastic whisper, pausing occasionally to cough, wheeze or mutter the words of a Fireball spell.)