Names Start With M Personality, Career, and Love life. Find out what your M name starts with about your personality, career, love life, and future. The person whose name starts with M is an emotional person. Gets emotional over the slightest thing. Their nature is serious, it is their habit to think about something or the other. Keeps thinking about the future more than the present. They don't tease anyone, but they don't leave the one who teases either.