From the blog "Featured News"

To celebrate Mother’s Day and all the mothers in the Second Life community, we are releasing new limited edition last names today, only available until May 10th:  Mama Matriarch Mum These names are seasonal and may come back around this time next year, for a limited time. We will continue to make additional updates to the available last name pool, so if these options aren’t for you, stay tuned for future updates.  For more information about the costs and how-tos involved in