Mary is likely named for her mother, Mary CRAIG Patterson.

The household of James C Patterson is enumerated in the 1840 census at South Creek Twp., Bradford Co., Pennsylvania. The census count is 00001.10001. Residing in James' household is a female under 5 years of age. It is believed that female is Mary J Patterson.

Mary J is enumerated in the 1850 household of James Patterson at South Creek Twp., Bradford County. The Patterson family is farming. The 1850 census data follows:
James Patterson M 32 Ireland
Mary Patterson F 32 Ireland
Mary J Patterson F 13 PA
Eliza Patterson F 11 PA
Ellen Patterson F 9 PA
Rachel Patterson F 7 PA
Isaac Patterson M 4 PA
William Patterson M 1 PA

Mary married James Mason, circa 1860, likely in South Creek Township where both families resided. Mary gave birth to at least 1 child, named James H Mason, in 1863.

Mary Mason is enumerated in the 1860 household of Hiram Mason at South Creek Township. She is aged 24 years and born in Pennsylvania. Also, enumerated in the household is Mary's husband James; his occupation is Farm Laborer. The Mason family is farming. The 1860 census data follows:
Hiram Mason M 52 NY
Jane Mason F 50 NY
Walter Mason M 22 PA
Helen Mason F 16 PA
Laura Mason F 12 PA
Sidney Mason M 6 PA
James Mason M 24 PA
Mary Mason F 22 PA

Mary is enumerated in the 1880 household of Hiram Mason at South Creek Township. She is aged 42 years and her occupation is Housekeeper. Also, enumerated in the Mason household is Mary's husband, James, and their son, James H Mason. The 1880 census data follows:
Mason Hiram 72 M hus NY Eng CT
Jane 68 F wife PA NY NY
Mason James 44 M hus PA NY PA
Mary J. 42 F wife PA Irelnd Irelnd
James H. 17 M son PA PA PA

Husband James died in 1888, aged 52 years.

Apparently, Mary did not remarry after her husband's death. Mary is enumerated in the 1900, 1910, and 1920 households of her son, James H Mason, at South Creek Township.

Mary died aged 81 years.