What does Tamilyn mean?
Tamilyn \t(a)-mil-yn, tam(i)-lyn\ as a name for girls is of English and Aramaic derivation, and the name Tamilyn means "twin". Tamilyn is a variant of Tammy (English, Aramaic): short form of Thomasina and Tamara.
Tamilyn is an uncommon given name for females. Tamilyn is also a unique surname for both adults and children. (2000 U.S. Census)
Below is a graphed analysis of the usage of the girl name Tamilyn and associated names. Tammy, Tammie, Tammi, Tamie and Tami are the prominent varying forms of Tamilyn (#unlisted) rated in the Top 1000. These girl names reached the apex of their popularity during the years 1960-1969 (usage of 0.6732%) and are now significantly less popular, with the forms Tami, Tammi, Tammie and Tammy becoming less stylish. (2014 Birth Statistics)
A recommended similar baby name is Jamilyn. Like Tamilyn, this name is not commonly used.