Not known. Most likely he is still alive. (Let's not forget he is a fictional character.)
Thomas Deane died in 1871.
Thomas Dean died in 2004.
Nothing is known about his life after the final book.
Dean Thomas' job remains unknown.
Thomas Comber - dean of Durham - was born in 1645.
Bertram Evans died in 1919.
Dean Batchelor's birth name is Dean Thomas James Batchelor.
Thomas Turner - Dean of Canterbury - died in 1672.
Thomas Garnier - dean of Lincoln - died in 1863.
Thomas Comber - dean of Durham - died in 1699.
Thomas Comber - dean of Carlisle - died in 1653.
Thomas Williams - Dean of Bangor - died in 1941.
Nothing is known about his life after the final book.
No. Dean Thomas was in Gryffindor house.
Dean Thomas' job remains unknown.
Thomas Turner - Dean of Canterbury - was born in 1591.
Thomas Garnier - dean of Lincoln - was born in 1809.
Thomas Williams - Dean of Bangor - was born in 1870.
Thomas Comber - dean of Durham - was born in 1645.