Mary Ann Oatney is the daughter of John Oatney and Lavina Coon.

Mary Ann is 1 of 12 known children of John and Lavina Oatney. Her siblings are:
-Joseph Otney (1857-1932)
-Elizabeth Oatney Powers (1860-1940)
-John Daniel Oatney (1862-1939)
-Emma Oatney Brandt (1865-1923)
-Clara Oatney Miller (1866-1935)
-Henry Oatney (1869-1952)
-Rose Ann Oatney Davis (1871-1934)
-Minnie Oatney Getz (1873-1943)
-Sarah Oatney (1875-1875)
-Grace Lavina Oatney Shugert (1876-1965)
-Franklin Oatney (1879-1964)
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FAMILY NAME
Over the years, there have been many different spellings of the family name. The original spelling, found on German records and signatures on early land transactions in the United States, was OTTENI. The spellings used today in the U.S. are: OTTENI, OATNEY, OTNEY, and OTTNEY. All trace back to Urloffen, Germany to Hans Georg Otteni.
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Per the 1900 U.S. Census, Mary Ann and Charles Pearce resided in Lancaster, Fairfield County, Ohio at 122 West Walnut Street. Listed are:
-Charles A Pearce, age 43, born Apr 1857 Ohio
-Mary A Pearce, age 41, born Nov 1858 Ohio
-Herbert D Pearce, age 16, born Aug 1883 Ohio
-Lavina E Pearce, age 9, born Jun 1890 Ohio

In 1900, Charles Pearce and Mary Ann Oatney Pearce are listed as being married for 18 years. Mary Ann is listed with 2 children born and 2 children living.

Per the 1930 U.S. Census, Mary Ann and Charles resided in Lancaster, Fairfield County, Ohio at 122 West Walnut Street. Listed are:
-Charles A Pearce, age 72, born Ohio
-Mary A Pearce, age 71, born Ohio
-Lavina E Pearce, age 39, born Ohio

In 1930, Charles Pearce is listed as being married at age 26 and Mary Ann Oatney Pearce is listed as being married at age 24.
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OBITUARY
Lancaster Daily Eagle, Lancaster, Ohio, Friday, 27 Mar 1931, Page 8

Mary A. Oatney was born Nov. 28, 1858, and departed this life March 20, 1931, aged 72 years, 3 months and 22 days.

She was united in marriage with Charles A. Pearce, Nov. 28 1882. To this union were born two children, Herbert D. and Lavina E. Pearce. Besides the above named, she is, survived by four grandchildren, five sisters, four brothers, a host of relatives, and a large circle of friends, who mourn their loss.

She united with Grace Reformed Church in early childhood and was a valued member during her long life. She took a deep interest in all church, work, until stricken with an affliction for which medical science has discovered no cure.

During her illness she did not complain and was ready to go when the Master called.

CARD OF THANKS
We desire to thank all who so kindly assisted us during the illness of our loving wife and mother, and at her death. We also thank the many friends for beautiful floral offerings. We appreciate the many kindnesses shown by friends at all times, the beautiful music by the singers, the consoling words of Rev. Beavers and the efficient service of Mr. J. V. Halteman.

C. A. Pearce
Miss Lavina E. Pearce
Herbert D. Pearce 3-27-lt

OHIO Death Certificate: 16020
-Name: Mary A Pearce
-Gender: Female
-Death Date: 20 Mar 1931
-Age at Death: 72Y 3M 22D
-Birth Date: 28 Nov 1858
-Birth Place: Fairfield Co., Ohio
-Marital Status: Married
-Spouse: Charles A. Pearce
-Occupation: At Home
-Residence: 122 W. Walnut
-Father: John Oatney
-Father's Birthplace: Ohio
-Mother: Lavina Coon
-Mother's Birthplace: Ohio
-Burial Date: 23 Mar 1931
-Burial Place: Forest Rose Cem.
-Death Place: Lancaster, Fairfield County, Ohio
-Informant: Charles A. Pearce