There is more than one Sunset in TX, so including name of county can be helpful.
1900 census Montague Co, TX:
Burris, Thomas J., h, b Dec 1853, 4?, Wd, b TX, TX, TX " Jack, s, b Mar 1877, 23, b TX, TX, TX " L (not clear), s, b Mar 1881, 19, b TX " Alford, s, b Oct 1883, 16, b TX " Minnie, d, b Sep 1886, 13, b TX " Charley, s, b May 1890, 10, b TC
1880 census Coryell Co, TX:
Category: Name;Relationship to head of household; Marital Status; Gender; Race; Age; Birthplace; Occupation; Father's Birthplace; Mother's Birthplace.
Thomas BURROWSSelfMMaleW34TNFarmerTNTN Martha J. BURROWSWifeMFemaleW21TXHouse KeepingMOMO John BURROWSSonSMaleW9MTXTNTX
By now you've probably learned you can spell Burris any way but lose.LOL
Have you checked Rootsweb's WorldConnect site -- http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgihttp://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi -- I enteredBurris, Thomas, b 1853 + or - five years, spouse Martha. There are a couple of people working on this line. You might find out their sources and do some more tracking yourself.