Trestyn is a name of Welsh origin and it means "thrashing, tumultuous". It is believed to have been derived from the Welsh word "tryst" which means "storm" or "tidal wave". The name Trestyn was popular during the Middle Ages in Wales but it has since become less common. Today, it is still used as a given name but it is considered to be quite rare. There is no specific historical figure associated with the name Trestyn, however, it is possible that it may have been borne by some notable individuals throughout history. Overall, Trestyn is a unique and interesting name with a strong connection to Welsh heritage and culture.
The name Trestyn has seen a varying degree of popularity over the years in the United States, with no clear upward or downward trend. In 2006, there were 6 babies named Trestyn, followed by 5 births each in 2007 and 2011-2014. The year 2008 saw a slight increase with 7 births. Overall, between 2006 and 2014, there were a total of 33 babies named Trestyn born in the United States. This data suggests that while the name Trestyn is not among the most popular, it has maintained a consistent presence in recent years.