Accomplished, perfected, or one who has achieved a goal
Derived from the Sanskrit word 'Siddha', it refers to someone who has attained spiritual realization or mastery. In various Indian traditions, it signifies a person who is successful, enlightened, or has reached a state of perfection. It is a modern variation of traditional names like Siddharth.
Less common today
Siddhan isn't in the latest US Top 1000. It last peaked at #8,766 in 2014.
US births per 5-year period, 1990βpresent (SSA data).