Actually Mister (Mr.) does imply marital status for a male.
A single male is called Master, a married man is called Mister.
Now Master is no longer PC, so folks will say Mister when referring to a single male, but in reality that is improper. Single males honorary is Master, married are Mister.
In the South (or at least my Southern family) we were taught that Master was to be used for males under 12. After that, Mister would be used.
That’s interesting. These days “Master” is only used for children.