Syster as a Baby Name. Meaning and Origin of Syster

What is the meaning of the name Syster ?

The baby name Syster is a Female name , 2 syllables long and is pronounced Swedish: /ˈsʏstɛr/ (approx. 'SÜS-ter'); Anglicized: /ˈsɪstər/ (approx. 'SIS-ter').

Syster is Swedish in Origin.

Syster is a Scandinavian word-name from Old Norse systir, rooted in Proto-Germanic *swistar and ultimately the Proto-Indo-European *swésōr, meaning “sister.” In modern Swedish, syster is the everyday term for a female sibling and also a respectful title for a nurse, paralleling English Sister in hospital and convent settings. As a given name it is very rare, but it appears sporadically as a nickname elevated to formal use in Nordic and Anglophone records, aligned with the broader tradition of kinship word-names.

Variants and cognates include Sister (English), Systir (Icelandic form), and Søster (Norwegian/Danish; typically a common noun rather than a name). Related diminutives and pet forms are Sys, Sissy/Sissie, Sisi, and the Danish Søs. The meaning evokes closeness, loyalty, and communal care, so modern use of Syster often signals themes of sisterhood and solidarity. Usage is chiefly feminine but can be adopted as gender-neutral.

⚙ Syster is a rare find. Our records hold just 21 recorded uses, spread over 9 countries.