Mary Jane was the daughter of Reuben and Elizabeth Maness. She married Henry W Jaynes in about 1892.

Their Children:
Son Burley Jaynes b Nov 1895
Daughter Vernie E Jaynes b. Aug 1897
Daughter Geneva E Jaynes b Aug 1898
Son John Willard Jaynes b. Mar 1900
Daughter Mila Jaynes b. 1903

Mary Jane's siblings:
Jacob - died bet. 1880 and 1910
Isaac

1880 Census Powell, Scott, Virginia, United States
Head Reuben Maness, age 32, VA
Wife Elizabeth Maness, age 32, VA
Son Jacob Maness, age 10, VA
Daughter MARY J Maness Daughter, age 8, VA
Other Sarah Roberds, age 15, VA

June 1, 1910 Census, Scott County, VA, Powell District
Head H W Jaynes, age 55, Born in VA, Both Parents Born in VA , Married 18 Yrs, Occupation: Farmer
Wife M J JAYNES, age 39, Born in VA, Both Parents Born in VA, Mother of 6 Children—5 Living
Son Belie Jaynes, age 15, Born in VA, Both Parents Born in VA
Daughter Vernie Jaynes, age 13, Born in VA, Both Parents Born in VA
Daughter Neva Jaynes, age 11, Born in VA, Both Parents Born in VA
Son J Willard Jaynes, age 10, Born in VA, Both Parents Born in VA
Daughter Mila Jaynes, age 6, Born in VA, Both Parents Born in VA
Brother, JAMES JAYNES, age 59, Born in VA, Both Parents Born in VA, Married 45 Yrs, Occupation: Physician, M.D.
Mother-in-Law, Elizabeth Maness, age 65, Born in VA, Both Parents Born in VA, Married 45 Yrs, Mother of 3 children—2 Living

1920 Census, Roane, TN, District 3
Head Henry W Jaynes, age 66, VA
Wife Mary J Jaynes, age 48, VA
Daughter Verna E Jaynes, age 23, VA
Daughter Genna E Jaynes, age 21, VA
Son John W Jaynes, age 19, VA

Still researching Reuben and Elizabeth Maness:
1860 Scott, Virginia, United States
Isaac B Mainous 24 VA<==Reuben's Father?
Eleanor Mainous 23 VA<==Reuben's Mother?
Son Harvey A L Mainous M 0 VA
Son RUBEN P Mainous M 16 VA
Other Edmon R Andes M 15 VA

1870 Virginia Census for her parents and brother, jacob
RUBIN MANESS M 21 Virginia (indexed as Robin)
ELIZABETH MANESS F 24 Virginia
Jacob Maness M 0 Virginia
Dorthula Arington F 8 Virginia

1880 Powell, Scott, Virginia, United States
REUBEN MANESS Self M 32 Virginia, United States
ELIZABETH MANESS Wife F 32 Virginia, United States
Jacob Maness Son M 10 Virginia, United States
Mary J Maness Daughter F 8 Virginia, United States
Sarah Roberds Other F 15 Virginia, United States

1900 Census Powell District (Roller Precinct), Scott, Virginia, United States
REUBEN MANESS Head M 55 Virginia
ELIZABETH Maness Wife F 54 Virginia
Isaac Maness Son M 19 Virginia

1910: Mother, Elizabeth Maness was residing with M J; but Reuben, M J's Father, very close by:
1910 Census Powell District, Scott,VA
RUBAN MANNESS Head 65 Virginia
Isaac Manness Son 29 Virginia
Lillian Manness Daughter-in-law 22 Virginia
L Eugenia Manness Granddaughter 6 Virginia

1920 Powell, Scott, Virginia, United States
Isaac Maness Head 38 Virginia sibling of M J Jaynes
Lillie Maness Wife 33 Virginia
Burlie D Maness Son 1 Virginia
Genice Thomas Stepdaughter 15 Virginia