Lithuanian Last Name Generator

Masculine endings: -as, -is, -us and more

Lithuanian is one of the most conservative living Indo-European languages, and its nouns still carry case endings. Surnames are nouns too, so a man's surname ends in -as, -is, -ys, -us or -a in its base form. Kazlauskas, Jankauskas and Petrauskas use the very common -auskas ending, adapted from Polish -owski. Petraitis and Adomaitis use -aitis, meaning descendant of, so Petraitis is a descendant of Petras. Vaitkus and Butkus end in -us.

Many surnames come from Lithuanian words for animals, trades and nature. Vilkas means wolf, Kalvaitis descends from a smith, and Žvirblis is a sparrow. Others are Slavic or Christian in origin, a legacy of centuries in the Polish-Lithuanian Commonwealth: Kazlauskas goes back to Polish Kozłowski, from a word for a goat. Each result in the generator shows its meaning, which helps you tell a native Baltic name like Vilkas from an adapted Slavic one like Kazlauskas.

Feminine forms: -ienė, -aitė and -ytė

Women use different forms, and traditionally the form shows whether a woman is married. An unmarried woman takes her father's surname with a daughter suffix: Kazlauskas becomes Kazlauskaitė, Petraitis becomes Petraitytė and Vaitkus becomes Vaitkutė. A married woman takes her husband's surname with -ienė, so the wife of Mr Kazlauskas is Kazlauskienė. One family can therefore contain Jonas Kazlauskas, his wife Rasa Kazlauskienė and their daughter Eglė Kazlauskaitė, three spellings of the same name.

Lithuanian law now also allows a neutral form ending in -ė, such as Kazlauskė, which does not reveal marital status, and some younger women choose it. When you use the generator for a female character, take the base result and build the form that matches her age, status and outlook. Getting this right is one of the clearest signs that a writer has done the research, and it matters in dialogue as much as on the page.

Using the Lithuanian last name generator well

The ends with filter is the fastest way to shape results. Try -auskas for the classic long names, -aitis for patronymic ones, or -us for shorter names like Butkus and Vaitkus. Set the length filter low if you want names that English readers can manage easily, since Lithuanian surnames of eleven or twelve letters are common. The rare setting keeps you away from Kazlauskas and Jankauskas, which anyone from the Baltic region will recognise instantly.

Test full names in the preview box with Lithuanian first names such as Jonas, Tomas, Mantas, Rūta, Eglė or Gintarė. Remember that names change form in speech: when addressing Jonas directly, people say Jonai, and a friend calling out to Vaitkus would say Vaitkau. Small touches like this make dialogue feel authentic. Save the pairs that work, share a link with your editor, or download the list with meanings as a TXT file.