[1] They moved operations to Healdsburg, California in 1881,[2] paying $2,250 in gold coins to buy a winery on Front Street.

[1] After marrying a local banker, Isabelle continued to make wine during Prohibition from 1920 until 1933, which she stored in the winery's stone cellars.

Isabel Simi sold the winery to grower Russell Green in 1970 but continued working there.

[2] In 1973 Maryann Graf, the first woman to graduate from an American university with a degree in oenology, joined Simi.

[5] The winery was sold in 1981 to Moët-Hennessy, which in turn became part of LVMH Moët Hennessy.