MD
Mary Duncan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Clay, Missouri
Our Model Tree links this Mary Duncan across the 1900, 1910 and 1920 US Censuses in Clay, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1857), then head of a 4-person household.
Age 63
b. ~1857
Female
Spouse
Born: Missouri
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Clay, Missouri |
| Surname | Duncan |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1857 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lizzie Duncan | Daughter | — | 28 | ~1892 |
| George Duncan | Head | — | 66 | ~1854 |
| Belle Duncan | Other | — | 54 | ~1866 |
| Mary Duncan | Spouse | — | 63 | ~1857 |
Census Appearances
1900
Clay, Missouri
Spouse, age 44
Clay, Missouri · implied b. ~1856 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Missouri |
| Birth Month | Aug |
| Birth Year | 1856 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1910
Clay, Missouri
Spouse, age 53
Clay, Missouri · implied b. ~1857 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Missouri |
| Years Married | 32 |
| Children Born | 11 |
| Children Living | 7 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1920
Clay, Missouri
Spouse, age 63
Clay, Missouri · implied b. ~1857 — 4 household members
| Surname | Duncan |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Duncan across 3 US Census years (1900, 1910 and 1920) in Clay, Missouri, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Duncan
Spouse · 1920 · age 63 · b. ~1857 · Missouri
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Clay, Missouri
Open full size
1920 US Federal Census — Clay, Missouri
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu913unit:0445)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Allene | 11 | Daughter | None | Missouri |
| 52 | Lalla | 9 | Daughter | None | Missouri |
| 53 | Tolliver | 23 | Head | Farmer | Missouri |
| 54 | Carrie | 22 | Wife | None | Missouri |
| 55 | Darrel | 2 | Son | None | Missouri |
| 56 | Robert Tulips | 31 | Head | Farmer | Missouri |
| 57 | Della Tulips | 24 | Wife | None | Missouri |
| 58 | George W Duncan | 66 | Head | Farmer | Missouri |
| 59 | Mary E Duncan THIS PERSON | 63 | Wife | None | Missouri |
| 60 | Lizzie Duncan | 28 | Daughter | None | Missouri |
| 61 | Belle Duncan | 54 | Brother-in-law | None | Missouri |
| 62 | George Duncan | 21 | Head | Farmer | Missouri |
| 63 | Lula M Duncan | 20 | Wife | None | Missouri |
| 64 | Clay Duncan | 29 | Head | Farmer | Missouri |
| 65 | Leta Duncan | 21 | Wife | None | Missouri |
| 66 | Ira Shanks | 46 | Head | Farmer | Missouri |
| 67 | Minnie Shanks | 43 | Wife | None | Missouri |
| 68 | Anna Shanks | 17 | Daughter | None | Missouri |
| 69 | Vesta Shanks | 14 | Daughter | None | Missouri |
| 70 | Robert Shanks | 12 | Son | None | Missouri |
| 71 | Jerry Shanks | 10 | Son | None | Missouri |
| 72 | Helen Shanks | 7 | Daughter | None | Missouri |
| 73 | Mary Shanks | 4 | Daughter | None | Missouri |
| 74 | Gayle Shanks | 2 | Daughter | None | Missouri |
| 75 | Joseph Shanks | 0 | Son | None | Missouri |
| 76 | Isaac Nicholson | 42 | Head | Farmer | Missouri |
| 77 | Eulah C Nicholson | 21 | Wife | None | Missouri |
| 78 | Janet Nicholson | 2 | Daughter | None | Missouri |
| 79 | Albert Hoit | 46 | Head | Farmer | Missouri |
| 80 | Mattie F Hoit | 45 | Wife | None | Missouri |
| 81 | Hazel Hoit | 12 | Daughter | None | Missouri |
| 82 | Peter Frost | 59 | Head | Farmer | Missouri |
| 83 | Claude Frost | 30 | Grandson | Laborer | Missouri |
| 84 | Myrtle Frost | 26 | Servant | None | Missouri |
| 85 | James Frost | 27 | — | None | Missouri |
| 86 | William Mcwilliams | 61 | Head | None | Missouri |
| 87 | Alice Mcwilliams | 57 | Wife | None | Missouri |
| 88 | Jeff Mcwilliams | 28 | Son | Farmer | Missouri |
| 89 | Clinton Ritchey | 64 | Head | Farmer | Missouri |
| 90 | Millie Ritchey | 57 | Wife | None | Missouri |
| 91 | Roy Ritchey | 23 | Son | None | Missouri |
| 92 | Idus Barr | 53 | Head | Farmer | Tennessee |
| 93 | Nova Albright | 35 | Head | Farmer | Nebraska |
| 94 | Grace Albright | 33 | Wife | None | Missouri |
| 95 | Milton Albright | 3 | Son | None | Missouri |
| 96 | Lloyd Albright | 1 | Son | None | Missouri |
| 97 | Reese Barr | 43 | Head | Farmer | Tennessee |
| 98 | Madge Barr | 40 | Wife | None | Missouri |
| 99 | Doris Barr | 12 | Daughter | None | Missouri |
| 100 | Christie Barr | 10 | Daughter | None | Missouri |
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)