Sian is a unique and captivating female given name of Welsh origin, derived from the ancient Celtic name 'Siân'. The name gained prominence through its association with Siân Phillips, a renowned Welsh actress known for her role in the 1960s television series "The Forsyte Saga". It is also the Welsh word for 'Jane', further contributing to its familiarity. Sian is typically pronounced as 'Shan' or 'Shawn'.
The name Sian appears to have had significant popularity between the late 1990s and early 2000s, with the highest number of births recorded in 1998 (27) and 2002 (28). However, there has been a steady decline in its usage since then, with fewer than 15 births per year from 2016 onwards. The total number of births with the name Sian over this period is 845.