Meaning and name origin
For more information, see also the related girl name Tasmine.
There is 1 masculine form of Tamsin: Tamson.
Tamsin is not a popular first name for females and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Tamsin and its variant forms. The only popular variation form ranked in the Top 1000/100 is Tammy. (Source: 2014 Birth Name Statistics).