From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
A free seamless background pattern for use on websites.
Source V. Hartikainen
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Retro Circles Background 4 No Black
Source GDJ
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Black brick wall pattern. Brick your site up!
Source Alex Parker
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin