A seamless pattern formed from a tile made from ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A free seamless background with pink spots.
Source V. Hartikainen