MC
Mary Chapman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Denver, Colorado
Our Model Tree links this Mary Chapman across the 1920, 1930 and 1940 US Censuses in Denver, Colorado (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 5-person household.
Age 71
b. ~1859
Female
Head
Born: Illinois
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Denver, Colorado |
| Surname | Chapman |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Denver City |
| Est. Birth Year | ~1859 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Chapman | Daughter | — | 54 | ~1876 |
| Mary Chapman | Head | — | 71 | ~1859 |
| Kinney Chapman | Other | — | 64 | ~1866 |
| Alice Hatfield | Other | — | 8 | ~1922 |
| Aurora Hatfield | Other | — | 22 | ~1908 |
Census Appearances
1920
Denver, Colorado
Spouse, age 60
Denver, Colorado · implied b. ~1860 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Denver, Colorado
Head, age 71
Denver, Colorado · implied b. ~1859 — 5 household members
| Surname | Chapman |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Denver-County, Colorado
Other, age 81
Denver-County, Colorado · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Denver city |
| 1935 Residence (County) | Denver |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Chapman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Chapman
Head · 1930 · age 71 · b. ~1859 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Denver, Colorado
Open full size
1930 US Federal Census — Denver, Colorado
Page Contents
11 people indexed on this census page (ia:1930:15thcensus235unit:0216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald Vautrain | 26 | Son | Clerk | Nebraska |
| 2 | Vera Vautrain | 24 | Daughter | Secretary | Nebraska |
| 3 | Mary Chapman THIS PERSON | 71 | Head | None | Illinois |
| 4 | Alice Chapman | 54 | Daughter | None | Illinois |
| 5 | Kinney Chapman | 64 | Son in law | Cook | Texas |
| 6 | Aurora Hatfield | 22 | Granddaughter | Student Officer | Illinois |
| 7 | Alice M Hatfield | 8 | Granddaughter | None | Colorado |
| 8 | Neil L Vattier | 37 | Head | Cook Potatoes | Colorado |
| 9 | Dorothy Vattier | 22 | Wife | None | Colorado |
| 10 | George Bledsoe | 51 | Father in law | House Painter | Colorado |
| 11 | Lucinda Guelian | 70 | Head | Housework | Kentucky |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)