A. Mary Ann Ebert was an "only" child.

B. Nancy, the daughter of Thomas Poe, has one daughter living.
(Must be an error because Mollie died 1925)

C. Na. is probably Nancy, the mother of Mary. Nancy is on the 1880 census at the home of (probably) her dau Mary (married Trimble) -

1880 US census Georgetown, Beaver, Pennsylvania, p 183:

John A. TRIMBLE Self M Male W 46 PA Gardener IRE PA
Mary A. TRIMBLE Wife M Female W 39 PA Keeping House MD PA
Cora TRIMBLE Sister S Female W 20 PA At Home PA PA (Note: prob dau)
Ebert TRIMBLE Son S Male W 19 PA At Home PA PA
James TRIMBLE Son S Male W 16 PA At School PA PA
Bertha TRIMBLE Sister S Female W 13 PA At School PA PA (Note: prob dau)
George TRIMBLE Son S Male W 12 PA At School PA PA
Nannie TRIMBLE Sister S Female W 9 PA At School PA PA (Note: prob dau)
Delena TRIMBLE Sister S Female W 6 PA PA PA (Note: prob dau)
Howard TRIMBLE Son S Male W 1 PA PA PA
Na. EBERT Sister S Female W 60 PA PA PA (Note: prob Mary's mother - Mary's maiden name was ebert)

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Source Information:
Census Place Georgetown, Beaver, Pennsylvania
Family History Library Film 1255097
NA Film Number T9-1097
Page Number 183A

1. 2. Mary "Mollie" Ann EBERT   b. Abt 1841, Pennsylvania, probably Beaver Co., Pennsylvania; d. 1925.

Sources: POE43-1
43-1 Mary A. Trimble has 3 sons and 3 daughters - Egbert P., James C., GeorgeW., Cora married Brom, Bertha married Kensey, and Delena married Nash. Nannie and Howard not listed. Mary ann died 1925. Did they pre-decease her?
1-1 1928 Mrs. Mollie Trimble began the POE Reunion at Georgetown, Beaver Co., PA. She was a daughter of nancy Ebert and was past 80.
LCW Georgetown is only a couple mies from the PA-OH boundries.

1. 3. Cora May TRIMBLE   b. CAL 1860, Pennsylvania, probably Georgetown, Beaver, Pennsylvnia.
2. 4. Ebert Poe TRIMBLE   b. CAL 1861, Pennsylvania, probably Georgetown, Beaver, Pennsylvnia.
3. 5. James Clyde TRIMBLE   b. CAL 1864, Pennsylvania, probably Georgetown, Beaver, Pennsylvnia.
4. 6. Bertha Maude TRIMBLE   b. CAL 1867, Pennsylvania, probably Georgetown, Beaver, Pennsylvnia.
5. 7. George William TRIMBLE   b. CAL 1868, Pennsylvania, probably Georgetown, Beaver, Pennsylvnia.
6. 8. Nannie Madors TRIMBLE   b. CAL 1871, Pennsylvania, probably Georgetown, Beaver, Pennsylvnia.
7. 9. Mary "Delena" M. McClelland TRIMBLE   b. CAL 1874, Pennsylvania, probably Georgetown, Beaver, Pennsylvnia.
8. 10. Howard Dillon TRIMBLE   b. 15 Oct 1878, Pennsylvania, probably Georgetown, Beaver, Pennsylvnia.

Sources: POE1-2,16-3

SOURCES: POE1-1,43-7

1. 11. Mary Catherine TRIMBLE   b. EST 1894, Of Beaver Co., Pennsylvnia.

Sources: 1-2,16-3