Originating from France, Andreau is a masculine given name that has been historically popular within French-speaking regions. It is a variant of André, which ultimately stems from the Greek name Andreas, meaning 'manly' or 'courageous'. The popularity of Andreau in the past few centuries can be largely attributed to its association with Saint André, a prominent figure in Christianity, often remembered as an apostle and martyr.
The name Andreau experienced fluctuations in popularity over these years, with no more than 7 births in any given year and a noticeable gap between the first and last recorded birth years (1988 to 1997). The total number of births named Andreau during this period is 18.