The baby name Gulielmus is a Male name , 4 syllables long and is pronounced Classical/Medieval Latin: /ɡuˈli.el.mus/; English approximation: "goo-LEE-el-mus".
Gulielmus is Latin in Origin.
The baby name Gulielmus is a Male name , 4 syllables long and is pronounced Classical/Medieval Latin: /ɡuˈli.el.mus/; English approximation: "goo-LEE-el-mus".
Gulielmus is Latin in Origin.
Gulielmus is the learned Latin form of the Germanic name Willahelm (modern Wilhelm/William), built from wil “will, desire” + helm “helmet, protection,” yielding the sense “resolute protector.” In medieval and early modern Latin texts it often appears as Gulielmus, with variant spellings Guillelmus and Willelmus.
In use from the 11th century across ecclesiastical registers, legal charters, and scholarly publications, Gulielmus served as the standard Latinization for princes, saints, and academics alike - e.g., Gulielmus I (William the Conqueror) and the philosopher-theologian Gulielmus de Ockham. While rarely chosen as a modern vernacular given name, it persists in formal Latin inscriptions and academic contexts. Vernacular counterparts include William (English), Wilhelm (German), Guillaume (French), Guillermo (Spanish), Guglielmo (Italian), Guilherme (Portuguese), Willem (Dutch), Uilliam and Liam (Irish/Scottish Gaelic), Gwilym (Welsh), and Vilhjálmur (Icelandic); nicknames range from Will and Bill to Liam.
Gulielmus barely registers. Across 2 countries, we found just 2 recorded uses of it.
Based on birth registration data from national statistics agencies.
| Country | Gender | Year | Rank | Born | of |
|---|---|---|---|---|---|
| TW | Boys | 0 | #256 | 1 | 7,111 |
| HK | Boys | 0 | #557 | 1 | 12,905 |
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