MD
Mary Duncan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Butler, Alabama
Our Model Tree links this Mary Duncan across the 1900, 1910 and 1920 US Censuses in Butler, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1864), then head of a 4-person household.
Age 56
b. ~1864
Female
Spouse
Born: Alabama
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Butler, Alabama |
| Surname | Duncan |
| Given Name | Mary N |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 14 |
| Est. Birth Year | ~1864 |
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 |
|---|---|---|---|---|
| Effie Duncan | Daughter | — | 26 | ~1894 |
| Fannie Duncan | Daughter | — | 20 | ~1900 |
| Joseph Duncan | Head | — | 60 | ~1860 |
| Mary Duncan | Spouse | — | 56 | ~1864 |
Census Appearances
1900
Butler, Alabama
Spouse, age 38
Butler, Alabama · implied b. ~1862 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Mary L |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Alabama |
| Birth Month | Oct |
| Birth Year | 1862 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1910
Butler, Alabama
Spouse, age 47
Butler, Alabama · implied b. ~1863 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Mary N. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Alabama |
| Years Married | 27 |
| Children Born | 6 |
| Children Living | 6 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Butler, Alabama
Spouse, age 56
Butler, Alabama · implied b. ~1864 — 4 household members
| Surname | Duncan |
| Given Name | Mary N |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Butler, Alabama, using XGBoost record linkage.
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This person
Anchor record
Mary Duncan
Spouse · 1920 · age 56 · b. ~1864 · Alabama
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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 — Butler, Alabama
Open full size
1920 US Federal Census — Butler, Alabama
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu4unit:0718)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frances Cain | 65 | Head | — | Alabama |
| 2 | Annie Cain | 40 | Daughter | — | Alabama |
| 3 | Willie Cain | 25 | Daughter | — | Alabama |
| 4 | Mollie Cain | 23 | Daughter | — | Alabama |
| 5 | Robert Womack | 55 | Head | Farmer | Alabama |
| 6 | Ada Womack | 41 | Wife | — | Alabama |
| 7 | Roosevelt Womack | 19 | Son | Laborer | Alabama |
| 8 | Ira Bell Womack | 16 | Daughter | — | Alabama |
| 9 | Curine Womack | 14 | Daughter | — | Alabama |
| 10 | George H Womack | 12 | Son | — | Alabama |
| 11 | William Pruitt | 25 | Head | Laborer | Alabama |
| 12 | Annie Pruitt | 21 | Wife | — | Alabama |
| 13 | William Pruitt | 1 | Son | — | Alabama |
| 14 | Robert Hawkins | 42 | Head | Laborer | Alabama |
| 15 | Lucile Hawkins | 17 | Daughter | — | Alabama |
| 16 | Ardella Hawkins | 15 | Daughter | — | Alabama |
| 17 | Lewis Cochran | 35 | Head | Farmer | Alabama |
| 18 | Estell Cochran | 39 | Wife | — | Alabama |
| 19 | Yarine Cochran | 14 | Daughter | Laborer | Alabama |
| 20 | George Cochran | 11 | Son | — | Alabama |
| 21 | Pearline Cochran | 7 | Daughter | — | Alabama |
| 22 | Nancy Cochran | 5 | Daughter | — | Alabama |
| 23 | Oliver Barganier | 47 | Head | Farmer | Alabama |
| 24 | Mary Barganier | 24 | Wife | — | Alabama |
| 25 | Alexander Barganier | 4 | Son | — | Alabama |
| 26 | Herbert Barganier | 0 | Son | — | Alabama |
| 27 | Ben Barganier | 50 | Head | Laborer | Alabama |
| 28 | Ira J Duncan | 29 | Head | Farmer | Alabama |
| 29 | Cara L Duncan | 28 | Wife | — | Alabama |
| 30 | Eva Ruth Duncan | 4 | Daughter | — | Alabama |
| 31 | Joe M Duncan | 1 | Son | — | Alabama |
| 32 | Joseph S Duncan | 60 | Head | Farmer | Alabama |
| 33 | Mary N Duncan THIS PERSON | 56 | Wife | — | Alabama |
| 34 | Effie Odell Duncan | 26 | Daughter | — | Alabama |
| 35 | Fannie Duncan | 20 | Daughter | — | Alabama |
| 36 | Charles Mcsmith | 45 | Head | Farmer | Alabama |
| 37 | Mattie Mcsmith | 35 | Wife | — | Alabama |
| 38 | Millan Mcsmith | 13 | Son | Laborer | Alabama |
| 39 | Louisa Mcsmith | 7 | Daughter | — | Alabama |
| 40 | Charlie J Mcsmith | 4 | Son | — | Alabama |
| 41 | James Mcintyre | 31 | Head | Farmer | Alabama |
| 42 | Stella Mcintyre | 24 | Wife | — | Alabama |
| 43 | Mazel Mcintyre | 7 | Daughter | — | Alabama |
| 44 | James Jr Mcintyre | 5 | Son | — | Alabama |
| 45 | Willie Mcintyre | 4 | Son | — | Alabama |
| 46 | Lucille Mcintyre | 2 | Daughter | — | Alabama |
| 47 | Lena Mcintyre | 0 | Daughter | — | Alabama |
| 48 | Jesse Walker | 23 | Head | Laborer | Alabama |
| 49 | Mattie Walker | 23 | Wife | — | Alabama |
| 50 | George Phelps | 44 | Head | Farmer | Alabama |
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)