What does Sonnie mean?
Sonnie \s(on)-nie\ as a name for girls (also used as boys' name Sonnie) is of English and Greek derivation, and the meaning of the name Sonnie is "wisdom". Sonnie is a form of Sonia (English). Sonnie is also a variant of Sophia (Greek).
Sonnie is an unusual first name for females but a somewhat prominent surname for both adults and children (#80812 out of 150436, Top 54%). (2000 U.S. Census)
Prominent alternative forms of Sonnie (#unlisted) are Sofia (#12 the previous year), Sofie, Sonia (#946), Sonja, Sonya, Sophia (#3) and Sophie (#91). These girl names reached the top of their popularity in 1999 (usage of 0.4737%) and are somewhat less popular today (usage 0.4211%, down 11.1%), with the forms Sonia, Sonja and Sonya becoming less trendy. Sofia (#12), Sophia (#3) and Sophie (#91) are three of the more fashionable names for newborns here, with these names having a resurgence in popularity. Displayed below is a comparison of the popularity of the girl name Sonnie and associated names. (Top 1000 Birth Names Records, 2014)
Sonnie is 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.