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Mary Mccoy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Williamson, Tennessee
Our Model Tree links this Mary Mccoy across the 1910 and 1920 US Censuses in Williamson, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 9-person household.
Age 11
b. ~1909
Female
Daughter
Born: Tennessee
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Williamson, Tennessee |
| Surname | McCoy |
| Given Name | Mary Francis |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Twenty First District |
| Est. Birth Year | ~1909 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Estella Mccoy | Daughter | — | 13 | ~1907 |
| Minnie Mccoy | Daughter | — | 5 | ~1915 |
| Mary Mccoy | Daughter | — | 11 | ~1909 |
| Ruth Mccoy | Daughter | — | 3 | ~1917 |
| Annie Mccoy | Daughter | — | 15 | ~1905 |
| Johnie Mccoy | Head | — | 40 | ~1880 |
| Ralph Mccoy | Son | — | 1 | ~1919 |
| Willie Mccoy | Son | — | 7 | ~1913 |
| Lollie Mccoy | Son | — | 9 | ~1911 |
Census Appearances
1910
Williamson, Tennessee
Daughter, age 2
Williamson, Tennessee · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | Mary Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Williamson, Tennessee
Daughter, age 11
Williamson, Tennessee · implied b. ~1909 — 9 household members
| Surname | McCoy |
| Given Name | Mary Francis |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Mccoy across 2 US Census years (1910 and 1920) in Williamson, Tennessee, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccoy
Daughter · 1920 · age 11 · b. ~1909 · Tennessee
★ You are viewing this record
Sibling
Minnie Mccoy
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mccoy
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Mccoy
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Mccoy
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lollie Mccoy
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Mccoy
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Estella Mccoy
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Williamson, Tennessee
Open full size
1920 US Federal Census — Williamson, Tennessee
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1769unit:0405)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W Kinnard | 18 | Son | None | Tennessee |
| 2 | Willie Kinnard | 15 | Son | None | Tennessee |
| 3 | Tom Kinnard | 14 | Son | None | Tennessee |
| 4 | Martha Jane Kinnard | 10 | Daughter | None | Tennessee |
| 5 | Howard Kinnard | 7 | Son | None | Tennessee |
| 6 | Bettie Wade Kinnard | 6 | Daughter | None | Tennessee |
| 7 | George Anna Kinnard | 19 | Daughter | None | Tennessee |
| 8 | Milton Kinnard | 35 | Brother | None | Tennessee |
| 9 | Alex Rucker | 41 | Head | Farmer | Tennessee |
| 10 | Jessie Rucker | 31 | Wife | None | Tennessee |
| 11 | Lannie Lou Rucker | 4 | Daughter | None | Tennessee |
| 12 | Freeman Jordan | 23 | Head | Farmer | Tennessee |
| 13 | Frankie Jordan | 25 | Wife | None | Tennessee |
| 14 | James Hayes Jordan | 2 | Son | None | Tennessee |
| 15 | Ed J Smithson | 33 | Head | Farmer | Tennessee |
| 16 | India Smithson | 36 | Wife | None | Tennessee |
| 17 | William Smithson | 9 | Son | None | Tennessee |
| 18 | Pearl Smithson | 7 | Son | None | Tennessee |
| 19 | Fred Smithson | 5 | Son | None | Tennessee |
| 20 | Donald Smithson | 3 | Son | None | Tennessee |
| 21 | Jim D Rucker | 42 | Head | Farmer | Tennessee |
| 22 | Julia Rucker | 37 | Wife | None | Tennessee |
| 23 | Eugene Rucker | 15 | Son | None | Tennessee |
| 24 | Robert Rucker | 13 | Son | None | Tennessee |
| 25 | Ben Rucker | 11 | Son | None | Tennessee |
| 26 | Annie Laura Rucker | 8 | Daughter | None | Tennessee |
| 27 | Pillow Rucker | 1 | Son | None | Tennessee |
| 28 | Johnie Mccoy | 40 | Head | Farmer | Tennessee |
| 29 | Annie Mccoy | 15 | Daughter | None | Tennessee |
| 30 | Estella Mccoy | 13 | Daughter | None | Tennessee |
| 31 | Mary Francis Mccoy THIS PERSON | 11 | Daughter | None | Tennessee |
| 32 | Lollie H Mccoy | 9 | Son | None | Tennessee |
| 33 | Willie M Mccoy | 7 | Son | None | Tennessee |
| 34 | Minnie Maud Mccoy | 5 | Daughter | None | Tennessee |
| 35 | Ruth Mccoy | 3 | Daughter | None | Tennessee |
| 36 | Ralph Mccoy | 1 | Son | None | Tennessee |
| 37 | Clifford Whitfield | 43 | Head | Farmer | Tennessee |
| 38 | Della Whitfield | 26 | Wife | None | Tennessee |
| 39 | Wilkins Whitfield | 3 | Son | None | Tennessee |
| 40 | Leafy Whitfield | 2 | Daughter | None | Tennessee |
| 41 | John Green | 17 | Servant | None | Tennessee |
| 42 | Asher Graham | 37 | Head | Farmer | Tennessee |
| 43 | Evie Graham | 32 | Wife | None | Tennessee |
| 44 | Robert Lewis Graham | 3 | Son | None | Tennessee |
| 45 | Jim W Culberson | 30 | Head | Farmer | Tennessee |
| 46 | Minnie Culberson | 33 | Wife | None | Tennessee |
| 47 | Sallie May Culberson | 14 | Daughter | None | Tennessee |
| 48 | Elisabeth Culberson | 11 | Daughter | None | Tennessee |
| 49 | Lollie L Culberson | 2 | Daughter | None | Tennessee |
| 50 | Walter Vaughn | 21 | Head | Farmer | Tennessee |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)