In the SCA Jessica is known as Baroness Eydís Herjólfsdóttir.
She's been in the SCA since 1996.
Here is her listing from the Atlantian Order of Precedence (as of Feb 2020):
Baroness Eydís Herjólfsdóttir
Eydís's Arms:Per pale argent and purpure, a tree eradicated, a bordure counterchanged. (registered 07/99)
- Mark of Excellence (Dun Carraig Special Contribution - 5/10/1998)
- Award of Arms (General service to the group, Kingdom or SCA - 8/19/1999)
- Companion of the Company of Wayfarers (Dun Carraig ex-pats - 8/19/1999)
- Award of the Silver Nautilus (Kingdom A&S Achievement - 4/21/2001)
- Companion of the Blasted Oak (Lochmere Service Award - 9/29/2001)
- King's Award of Excellence (Service to the Crown of Atlantia - 4/6/2002)
- Companion of the Eagle's Feather (Lochmere A&S Award - 9/27/2003)
- Grant of Arms (Atlantia - 9/11/2010)
- Territorial Baroness, Retired (Lochmere - 9/11/2010 - 9/13/2014)
- Court Baroness (Service to the Kingdom of Atlantia - 10/4/2014)