45%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 VariantsLacie, LacySame SpellingLaci 1 PopularityDetails Last ranked #747 in 1950 Brazil (by decade) Last ranked #956 in 2008 United States 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.