Thomas Nicholas was born in 1671 in Sennen, Cornwall, England and was buried on September 20, 1732 in Sennen, Cornwall, England at the age of 61. He married Elizabeth _____. She was born in 1675 and was buried on April 29, 1715 in Sennen, Cornwall, England at the age of 40.

David Nicholas, son of Thomas Nicholas and Elizabeth _____, was born in 1703 and was buried on May 21, 1792 in Sennen, Cornwall, England at the age of 89. He married Alice Russell, daughter of James Russell and Alice Pengilly, on December 3, 1738 in Sennen, Cornwall, England. She was born in 1706 in Sennen, Cornwall, England and was buried on April 7, 1782 in Sennen, Cornwall, England at the age of 76.

David Nicholas, mariner, son of David Nicholas and Alice Russell, was born on April 12, 1740 in Sennen, Cornwall, England and died on February 14, 1836 in Sennen, Cornwall, England at the age of 95. He married Mary Pender, daughter of Robert Pender and Mary Read, on June 11, 1768. She was born in 1739 in St Levan, Cornwall, England and died on June 27, 1802 at the age of 63.