Take a look at two forums here - the 'Historical Society Forum' and the 'NCOWS Forum.
Both feature posts on creating your outfit and perusing through the 'back pages' may give you ideas.
Also - go to your local library and check out the Time-Life series - 'The Old West' - for good photographs.
You're describing the average working man of the era - and besides the leather apron being a mark of his job as a blacksmith - it's easy to create.
For a very basic outfit:
Band-collar shirt - collar stud - linen/paper collar - coat - high-waisted trousers, w/button fly and w/o belt loops - suspenders - brogans - vest (lapels preferred) - hat.
Anything more - you add as you find a need for it.
Fabrics should be wool or cotton.
Knowing what to look for - a lot of this can be found at thrift stores - so get to reading...
Also - knowing what you need and pursuing it will be far easier on your wallet, since you can hopefully resist impulse purchases.
And when you've got questions - just ask.
Vaya,
Scouts Out!