Meaning and name origin
Annus is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Annus is also pronounced similarly to Anis, Annys, Ennis, Innes and Innis. Other suggested similar baby names are Agnus, Anais, Annais, Annes, Annisa, Annuska and Anouk. These names tend to be more commonly used than Annus.