Comes from an old Lithuanian boyar family. He studied at the Vilna Drawing school I. P. Trutnev and later taught in it. In 1870-1872, he studied in Saint Petersburg, 1872-1876 in Munich. From 1907 he lived in Kovno. Have sodeystvovat the organization of the first exhibition of Lithuanian art in Vilnius (1907) and participated in the activities of the Lithuanian art society. A substantial part of the property has spent on archaeological excavations and collecting libraries (numbered according to oral recollections of relatives, 200 thousand volumes). Carried out the registration of cultural monuments, explored cemeteries, burial grounds, mounds in different places of Lithuania. From February 8, 1907 worked as a conservator of Kaunas city Museum (operated since 1898); from 23 January 1909 its Director. Gave the Museum his collection of archaeological finds, objects of folk life and works of decorative-applied art. Later Assembly in force prior to 1921 the city Museum became part of koleksi Military Museum of Vytautas the Great Museum of M. K. čiurlionis in Kaunas. In 1910-1914 participated in the organization of Lithuanian art exhibitions in Kovno. Worked at the periodicals "Drauge" ("Draugija"), "Viltis" ("Viltis"), "Lietuvos ukininkas" ("Lietuvos ūkininkas"), "Lietuva" ("Lietuva"), "Venibe" "Vienybė", etc. In 1919 became Chairman of the State archaeological Commission. Buried in Ariogala in the family chapel of Daugirdas. The decision of the Kaunas city Council on June 5, 1923 Pranciskonu street in the Old town of Kaunas, named after him. The house in which he lived T. Daugirdas in Kaunas in 1908-1919, in 1978 opened the first memorial table. In 1993 on the same building there is a new memorylane table (the sculptor Vytautas Narutis).
He painted landscapes with symbolic and allegorical overtones "At the dawn", "Dubysa", "Blizzard", "Yard". Created several stained glass projects and stained glass, in particular, to the Church. I worked on the scenery, creating costumes for theatrical productions of the Lithuanian society "Dinah"; directed performances. Decorated house in Kovno, where in 1910 he settled Mayronis. In 1917 there was together with Jonas Basanavičius and Antanas Zmuidzinavicius to the Commission, to develop a project of the Lithuanian flag. Th. Basanavičius suggested the use of color, most often found in Lithuanian folk textiles. Following this proposal, the artist A. Zmuidzinavicius prepared a project with stripes of red and green colors, most often found in people's tissues. At the suggestion of T. Daugirdas was introduced, the bar is yellow, symbolizing the dawn. The project was approved by the Council of Lithuania on 19 April 1918. The most important features of the project are the basis of the current national flag of Lithuania. T. Daugirdas also participated in the design of the national coat of arms of Lithuania, coat of arms of the cities of Alytus, etc. the Author, along with the Kazis Simonism, the first color of the Lithuanian postage stamps, printed in February 1919 in Berlin.