Meaning and name origin
Sonnie is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Sonnie and its variant forms. Popular variation forms ranked in the Top 1000/100 are Sophia (#3), Sonia (#946), Sonja and Sonya. (2014 statistics).
Sonnie is also pronounced similarly to Cinnie, Cynnie, Sannie, Sinnie, Sunnee, Sunni, Sunnie, Swannie and Zannie. Other suggested similar baby names are Bonnie▼, Connie▼, Donnie▼, Jonnie▼, Konnie, Lonnie▼, Monnie, Nonnie, Ronnie▼, Shanie and Vonnie. These names tend to be more commonly used than Sonnie.