Of course you don't have a roll number. You would have to be a minimum of 98 years old to have a number.
The Dawes rolls are lists of people accepted between 1898 and 1914 by the Dawes Commission as members of these five Indian tribes: Cherokee, Creek, Choctaw, Chickasaw and Seminole. These were referred to as the 'five civilized tribes'.
If you truly have a Cherokee ancestor that you know was living during that time, you can try to look up that name on the internet by looking up the 'Dawes Rolls'.
For those interested in a little history lesson, here is what Senator Dawes did for the Indians:
Dawes most prominent achievement in Congress was the passage in 1887 of the General Allotment Act of 1887 (Dawes Act), ch. 119, 24 Stat. 388, 25 U.S.C. § 331 et seq., which authorized the President of the United States to survey Indian tribal land and divide the area into allotments for the individual Indian. It was enacted February 8, 1887, and named for Dawes, its sponsor. The Act was amended in 1891 and again in 1906, by the Burke Act. |
The Dawes Commission, set up under an Indian Office appropriation bill in 1893, was created, not to administer the Act, but to attempt to persuade the tribes excluded under the Act to agree to the allotment plan. It was this commission that registered the members of the Five Civilized Tribes and many Indian names appear on the rolls. The Curtis Act of 1898 abolished tribal jurisdiction of these tribes' land.
On leaving the Senate, in 1893, he became chairman of the Commission to the Five Civilized Tribes (the Dawes Commission) and served in this capacity for ten years, negotiating with the tribes for the extinction of the communal title to their land and for the dissolution of the tribal governments, with the object of making the tribes a constituent part of the United States. Native Americans lost about 90 million acres (360,000 kmē) of treaty land, or about two-thirds of the 1887 land base over the life of the Dawes Act. About 90,000 Indians were made landless. The Act forced Native people onto small tracts of land distant from their kin relations. The allotment policy depleted the land base, ending hunting as a means of subsistence. A Calvin Coolidge Administration study, completed in 1928, found that the Dawes Act had been used to illegally deprive Native Americans of their land rights.
Just another part of the United States' sad history of trying to eliminate Indians. And people wonder why the Indians, especially those stuck on worthless land in remote deserts still hate the Federal Government.