Magnus Fea (c. 5th April 1771) was the third of the children of Magnus Fea and Margaret Hay.

Magnus married Anne King in Hull, England on 20th September 1795. They are thought to have had the following children:

• John Brooke Fea b. 1800 who married his cousin Cecilia Fea

• Mary Isabella Fea c. 13th February 1804, Sculcoates, Yorkshire

• Martha Fea who married John Innes

• Elizabeth B Fea b. 1812

• Anne Fea b. abt 1813

• Elizabeth Carrick Fea c. 1st September 1817 in Beverley, Yorkshire

Isabella, Elizabeth and Anne did not marry