. . . . "1863-03-31"^^ . . . . . "David Pingree (December 31, 1795 \u2013 March 31, 1863) was a merchant from Georgetown, Massachusetts whose wealth later formed the Seven Islands Land Company in 1964. In 2018, his heirs are the 10th largest landowners in the United States. He was Mayor of Salem, Massachusetts from March 1851 to March 1852."@en . . . . . . . . . . . . "David Pingree"@en . "59387655"^^ . . . . . . "4295"^^ . . . . . . . . "1795"^^ . "1795-12-31"^^ . "Merchant"@en . . . . . . . "1795-12-31"^^ . . . "1863-03-31"^^ . . . "988981269"^^ . "Thomas Perkins"@en . "David Pingree (merchant)"@en . "David Pingree (December 31, 1795 \u2013 March 31, 1863) was a merchant from Georgetown, Massachusetts whose wealth later formed the Seven Islands Land Company in 1964. In 2018, his heirs are the 10th largest landowners in the United States. He was Mayor of Salem, Massachusetts from March 1851 to March 1852."@en . . "David Pingree"@en . "American"@en . . . . "1863"^^ .