新（xin）
Name meaning
新 (xin) means newness, renewal and freshness after change.
Practical naming use
新 (xin) is one of the clearest renewal characters in Chinese naming. The line about fresh rain in an autumn mountain scene keeps it poetic, while Sun Xin gives it a direct fiction-name anchor. It feels clean, forward-looking and easy to explain without sounding rootless or trendy.
Pair 新 (xin) with characters such as 宁 (Ning) for calmer renewal, 文 (Wen) for fresh learning, 雅 (Ya) for cultivated modernity or 安 (An) for steadier new beginnings. The second character should keep the name from sounding like a slogan.
新宁 (Xinning): Xin contributes new, renewal; Ning adds peaceful, settled.
Reference
Wang Wei · Mountain Dwelling in Autumn
Historical / name-use references
孙新 (Sun Xin)
Water Margin character and one of the Liangshan heroes; 新 (Xin) appears directly in this recorded name, style name, title, or literary nickname.