51%RatingSave Gender Feminine Usage English (Modern) Pronounced Pron. /ˈleɪ.si/ [key·simplify] Meaning & HistoryExpand Links Variant of Lacy. This name jumped in popularity in 2003 after the media coverage of the murder of Laci Peterson (1975-2002) [1]. Related NamesFamily Tree·Details RootLacy (surname)VariantsLacie, LacySame SpellingLaci 1 PopularityDetails Last ranked #747 in 1950 Brazil (by decade) Last ranked #956 in 2008 United States People think this name isRate·Details modern youthful informal common delicate refined simple Categories comedians, country music singers, currently out of the US top 1000, isograms, variants, victims, women and death, YouTubers Sources & References Evans, Cleveland Kent. The Great Big Book of Baby Names. Publications International, 2006, page 484.