Given names are even more significant in tiny Iceland that in many other countries: Everyone is listed in the phone book by their first names. Surnames are based on a parent's given name. Even the president, Olafur Ragnar Grimsson, is addressed simply as Olafur.
Blaer is identified as "Stulka" — or "girl" — on all her official documents, which has led to years of frustration as she has had to explain the whole story at the bank, renewing her passport and dealing with the country's bureaucracy.
Her mother is hoping that will change with her suit, the first time someone has challenged a names committee decision in court.
Though the law has become more relaxed in recent years — with the name Elvis permitted, inspired by the charismatic rock and roll icon whose name fits Icelandic guidelines — choices like Cara, Carolina, Cesil, and Christa have been rejected outright because the letter "c'' is not part of Iceland's 32-letter alphabet.
"The law is pretty straightforward so in many cases it's clearly going to be a yes or a no," said Agusta Thorbergsdottir, the head of the committee, a panel of three people appointed by the government to a four-year term.
Other cases are more subjective.
"What one person finds beautiful, another person may find ugly," she acknowledged. She pointed to "Satania" as one unacceptable case because it was deemed too close to "Satan."