Usiaslau
A Slavic name meaning "all glory". Just 13 men in Poland carry it, and the records show no boys given it this century, so almost no one here has met one.
Usiaslau Pronunciation
Usiaslau is pronounced oo-shahs-LAH-oo (/uɕasˈlau/).
What Usiaslau means
Where Usiaslau comes from and what it has meant to the people who carry it.
Usiaslau comes from Slavic roots. The second part, -slav, is the old word for glory or fame, the same piece found in Wiesław, Bogusław, and Stanisław. The first part carries the sense of "all." Put together, the name reads as "all glory," in Polish wszelka sława.
The clearest bearer is a real one. Usiaslau is the Belarusian form of Vseslav of Polotsk, an eleventh-century prince who finished the Cathedral of Holy Wisdom in Polotsk, the oldest stone building in Belarus. Chroniclers called him Vseslav the Sorcerer. His name kept its meaning while his legend grew stranger.
The "all glory" reading is literal, built straight from the parts. That is rare among old names. Many gather their meanings late. This one keeps its sense on the surface.
A child named Usiaslau would stand out on any Polish class register. The form is East Slavic, closer to Minsk than to Kraków. Its meaning stays plain: all glory, wszelka sława.
How many people are named Usiaslau
1 in 1642014 men in Poland is named Usiaslau. 13 people carry it in the 2025 register: rank #13755 among male names.