Guillem Last Name: Meaning and Heraldic Roots

Guillem is how some branches of the Guillén family came to write their name. It grew out of a personal name: “from the name Guillermo”.

Spelling and variants

Before spelling was fixed, Guillén was also written Guillem. You may also find the name written Guillermo.

Family crest and blazon

Arms linked to Guillén and its spellings were granted to individual families; our heraldry team traces which line they belonged to.

Research your Guillem family history with a full surname report and painted coat of arms.