Meaning and Name Origin
Rennie \r(en)-nie\ as a girls' name (also used as boys' name Rennie). Rennie's roots are Latin and French, and the meaning of the name Rennie is "reborn". Rennie is a form of Renata (Latin): the Latin form of Renée (see Renee) used by the Puritans. Rennie is also a variant of Rene: short form of Irene (Greek) "peace".
Rennie is an unusual first name for women but a very prominent surname for all people (#9092 out of 88799, Top 10%). (2000 U.S. Census)
Below is a charted comparison of the popularity of the girl name Rennie and related names. Prominent related forms of Rennie (#unlisted) ranked in the Top 1000 are Renae, Renata (#659 a year ago), Rene, Renee (#962) and Renita. Usage of these girl names was at its most widespread during 1960-1969 and has become significantly less since, with the forms Renae, Rene, Renee and Renita becoming less in vogue. Renata (#659) is the most chic girl name here. (2014 Birth Statistics)
Rennie is pronounced similarly to Rawnie, Ronnee, Ronni and Ronnie▼. Other suggested similar baby names are Bennie▼, Dennie, Gennie, Hennie, Jennie▼, Pennie▼, Reanne, Reene, Reine, Remie and Ryenne. These names tend to be more commonly used than Rennie.