With no accurate Date Range noted on the "Irish Newspaper Archive" website for "The Tuam Herald" I have posted the following.....
1837-1848 Available
1849-1866 NOT Available
1867-1868 Available
1869 NOT Available
1870-1877 Available
1878-1885 NOT Available
1886-1889 Available
1890-1893 NOT Available
1894-1898 Available
1899 NOT Available
1900 (Jan) Available
1901-1920 NOT Available
1921-1923 Available
1924-1937 NOT Available
1938-1944 Available
1945-1946 NOT Available
1947-1965 Available
1966-1993 NOT Available
1994-2000 Available