Your first name of Siannon has given you an eagerness for knowledge and an intense desire to do something worthwhile in life. As you resent interference, and are extremely self-reliant and proud, it is difficult for you to ask another person for help during trying times. Your quiet intensity is difficult for others to understand and thus, you are on guard for fear of being ridiculed or criticized. You suffer inner turmoil and moods at times especially when you feel misunderstood, and being extremely sensitive, you are easily hurt and offended. Although you appear aloof to others, a loner with few close friends, there are times when you would give anything to be spontaneous and natural, rather than guarded and reserved. You are interested in mathematics, science, the mysteries of life, and the occult. You find it easier to write your thoughts. It is not easy for you to take advice, subsequently; you tend to work alone or independently. The nervous intensity experienced with this name can lead to health weaknesses centring in the heart, lungs, or stomach. Many people do not realize that you have a depth to your nature resulting from having thought a lot about life in many facets.