First two given names of “Mary Ann”, estimated year of birth, place of birth, no children, from the 1911 Census of England and Wales for Civil Parish of Northcott St Giles in the Heath, Devon, England found in March 2023:
House Location: Boyton Mill, Nr Launceston
House: Eight rooms including kitchen and excluding any scullery, landing, lobby, closet, bathroom.
Francis Yeo, Head, age 41, Married, Married 8 years, Farmer, Working on own account, born Boyton Mill Devon [Born circa 1870]
Mary Ann Yeo, Wife, age 46, Married, Married 8 years, no children born alive, born Milton Damerell, Devon [Born circa 1865]
Ann Yeo, Mother, age 68, Widow, born Boyton Cornwall [Born circa 1843]
Ann Henwood, Cousin, age 73, Widow, born Pyworthy Devon [Born circa 1838]
Eva Yeo, Cousin, age 17, Single, General Servant Domestic, born Helston Cornwall [Born circa 1894]

Maiden name of “Smith”, year of marriage, from England and Wales Marriage records found in March 2023:
Name: Francis Oliver Yeo
Registration Year: 1902
Registration Quarter: April to June
Registration District: Launceston
Names on Page: Francis Oliver Yeo, Mary Ann Smith, Emma Bate, Edwin Phillips

Name of parents and siblings, from the 1871 England Census taken on the night of 2 April 1871 for Civil parish of Milton Damerel Holsworthy, Devon, England, found in March 2023:
House Location: Axon Park, South Grawly
Richard Smith, Head, Married, age 39, Farmer of 185 Acres, born Holsworthy Devon [Born circa 1832]
Sarah Smith, Wife, Married, age 35, Farmers Wife, born Pancrasweek Devon [Born circa 1836]
John Smith, Son, age 8, Farmers Son, born Milton Damerel Devon [Born circa 1863]
Mary A Smith, Daughter, age 6, born Milton Damerel Devon [Born circa 1865]
Alice J Smith, Daughter, age 4, born Milton Damerel Devon [Born circa 1867]
Henry Smith, Son, age 2, Farmers Son, born Milton Damerel Devon [Born circa 1869]
William Smith, Son, age 2 months, Farmers Son, born Milton Damerel Devon [Born circa February 1871]
Sarah Stiolwill, Servant, Unmarried, age 18, Farmers Servant, born Pancrasweek Devon
Thomas Penhale, Servant, Unmarried, age 19, Farmers Servant Indoor, born Thornbury, Devon
Isaac Sanders, Servant, age 14, Farmers Servant Indoor, born Milton Damerel Devon

Now living in Northcott, Devon, from the 1881 England Census taken on the night of 3 April 1881 for Hamlet of Northcott, Ecclesiastical District of Boyton in the Rural Sanitary District of Launceston Union, England, found in March 2023:
House Location: New Buildings
Richard Smith, Head, Married, age 48, Farmer of 244 acres employing 2 labourers/men, born Holsworthy Devon [Born circa 1833]
Sarah Smith, Wife, Married, age 45, Farmers Wife, born Pancrasweek Devon [Born circa 1836]
John B Smith, Son, Unmarried, age 17, Farmers Son, born Milton Damerel Devon [Born circa 1864]
Mary Ann Smith, Daughter, Unmarried, age 16, Farmers Daughter, born Milton Damerel Devon [Born circa 1865]
Alice J Smith, Daughter, age 15, Farmers Daughter, born Milton Damerel Devon [Born circa 1886]
Henry Smith, Son, age 12, Farmers Son, born Milton Damerel Devon [Born circa 1869]
Frederick William Smith, Son, age 10, Farmers Son, born Milton Damerel Devon [Born circa 1871]
Richard J Smith, Son, age 7, Farmers Son, born Milton Damerel Devon [Born circa 1874]
Alfred Smith, Son, age 5, Farmers Son, born Milton Damerel Devon [Born circa 1876]
Elizabeth E. Smith, Daughter, age 3, born Milton Damerel Devon [Born circa 1878]
Emily H. Smith, Daughter, age 5 months, born Northcott Hamlet Devon [Born circa December 1880]
Mary A. Beckley, Sister-in-law, Unmarried, age 47, Visitor Cook Domestic, born Pancrasweek Devon [Born circa 1834]
George Brown, Servant, Unmarried, age 20, Farm Servant Indoor born Boyton Cornwall

Year of death from England & Wales Civil Registration Death records found in March 2023:
Name: Mary A Yeo
Death Age: 72 [Born circa 1865]
Registration Date: Jan to March 1937
Registration District: Holsworthy, Devon