There were some tailors too, mainly on the side of the weavers. I am interested because my gggggrandfather was a tailor in Wainfleet in Lincs at the time, with a wife and children, and I wonder if he heard about it at all and what he thought about it if he did and if it even affected him and his family.
"The Manchester Guardian" newspaper, now "The Guardian" was founded in 1821 in aftermath of Peterloo. Internet search for Guardian founding history will show several sites and facsimiles of early editions.
Copies of ballads were sold on streets. There's a collection in Manchester. There are 19th-century poetry collections of working-class Lancashire poets.
Chartism, trades union rights and repeal of the corn laws were campaigns which lasted for decades. They feature in tv drama "Victoria". Repealing the corn laws in 1840s cost Robert Peel his premiership and split the Conservative party.
Henry "Orator" Hunt became M.P. for Preston for a short time in 1830s. Preston was unusual in that all men over 21 who had been resident for a certain time and were not paupers or convicted felons, were eligible to vote. My Chartist & trade-unionist ancestor lived there in 1840s & 1850s, spending his spare time agitating, demonstrating, striking, picketing and occasionally appearing in court. Karl Marx expected the English revolution to start in Preston. Marx sent a letter of support to the Labour Parliament, held in Manchester in 1854.
There were uprisings in continental Europe in 1830s & 1840s. 1848 was "The Year of Revolutions".