JC
James Chapman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Missouri
Our Model Tree links this James Chapman across the 1920 and 1930 US Censuses in Jefferson, Missouri (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 10-person household.
Age 20
b. ~1910
Male
Son
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Missouri |
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 18 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Machinist helper |
| Industry | Railroad shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Machinist Helper |
| Township / Ward | De Soto City |
| Est. Birth Year | ~1910 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Florence Chapman | Daughter | — | 4 | ~1926 |
| Violet Chapman | Daughter | — | 19 | ~1911 |
| Dorothy Chapman | Daughter | — | 14 | ~1916 |
| Lucille Chapman | Daughter | — | 11 | ~1919 |
| Alberta Chapman | Daughter | — | 9 | ~1921 |
| Richard Chapman | Head | — | 48 | ~1882 |
| James Chapman | Other | — | 1 | ~1929 |
| Richard Chapman | Son | — | 6 | ~1924 |
| James Chapman | Son | — | 20 | ~1910 |
| Minnie Chapman | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Jefferson, Missouri
Son, age 10
Jefferson, Missouri · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jefferson, Missouri
Son, age 20
Jefferson, Missouri · implied b. ~1910 — 10 household members
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 18 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Machinist helper |
| Industry | Railroad shop |
| Class of Worker | W |
| Can Read/Write | 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 James Chapman across 2 US Census years (1920 and 1930) in Jefferson, Missouri, using XGBoost record linkage.
Show:
This person
Anchor record
James Chapman
Son · 1930 · age 20 · b. ~1910 · Missouri
★ You are viewing this record
Sibling
Florence Chapman
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Chapman
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta Chapman
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Chapman
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Chapman
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Chapman
Sibling · 1930 · age 19
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
1930 US Federal Census — Jefferson, Missouri
Open full size
1930 US Federal Census — Jefferson, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1206:0986)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Richard Chapman | 48 | Head | Bricklayer | Missouri |
| 52 | Minnie Chapman | 42 | Wife | None | Missouri |
| 53 | James Chapman THIS PERSON | 20 | Son | Machinist Helper | Missouri |
| 54 | Dorothy Chapman | 14 | Daughter | None | Missouri |
| 55 | Lucille Chapman | 11 | Daughter | None | Colorado |
| 56 | Alberta Chapman | 9 | Daughter | None | Missouri |
| 57 | Richard Jr. Chapman | 6 | Son | None | Missouri |
| 58 | Florence Chapman | 4 | Daughter | None | Missouri |
| 59 | Violet Chapman | 19 | Daughter | None | Missouri |
| 60 | James Jr. Chapman | 1 | Grandson | None | Missouri |
| 61 | Henry Webb | 36 | Head | Torch Burner | Missouri |
| 62 | Cordelia Webb | 31 | Wife | None | Missouri |
| 63 | Katie M. Webb | 5 | Daughter | None | Missouri |
| 64 | Mary Huffman | 69 | Head | Agent | Missouri |
| 65 | Henry Mueller | 55 | Head | Proprietor | Missouri |
| 66 | Augusta Mueller | 55 | Wife | None | Missouri |
| 67 | Theodore Mueller | 29 | Son | Manager | Missouri |
| 68 | Emma Mueller | 19 | Daughter | Cutter | Missouri |
| 69 | Andrew Oster | 62 | Head | Proprietor | Missouri |
| 70 | Mary Oster | 24 | Daughter | None | Missouri |
| 71 | Joseph Oster | 18 | Son | Laborer | Missouri |
| 72 | Andrew Jr. Oster | 16 | Son | Laborer | Missouri |
| 73 | Loaetta Oster | 11 | Daughter | None | Missouri |
| 74 | Ernest Rule | 45 | Head | Laborer | Missouri |
| 75 | Emma Rule | 40 | Wife | None | Missouri |
| 76 | Elvin Rule | 23 | Son | Driver | Missouri |
| 77 | Richard Rule | 21 | Son | Helper | Missouri |
| 78 | Everett Rule | 19 | Son | Helper | Missouri |
| 79 | Howard Rule | 18 | Son | Laborer | Missouri |
| 80 | Harry Rule | 14 | Son | None | Missouri |
| 81 | Hilda Rule | 8 | Daughter | None | Missouri |
| 82 | Eugenia Rule | 5 | Daughter | None | Missouri |
| 83 | Gladys Rule | 1 | Daughter | None | Missouri |
| 84 | William Woods | 52 | Head | None | Indiana |
| 85 | Maryant Woods | 53 | Wife | None | Missouri |
| 86 | Henry Ottensmeyer | 64 | Head | None | Missouri |
| 87 | Lena Ottensmeyer | 58 | Wife | None | Missouri |
| 88 | Bernice Ahlemeyer | 9 | G. daugt. | None | Missouri |
| 89 | Louis Clows | 29 | Head | Hauling | Missouri |
| 90 | Viola Clows | 21 | Wife | None | Missouri |
| 91 | Robert Clows | 5 | Son | None | Missouri |
| 92 | Everett Clows | 3 | Son | None | Missouri |
| 93 | Fannie Lewis | 68 | Head | None | Kentucky |
| 94 | Thomas Sanders | 28 | Head | Sole Tacker | Missouri |
| 95 | Tillie Sanders | 25 | Wife | None | Missouri |
| 96 | William Sanders | 5 | Son | None | Missouri |
| 97 | Raymond Sanders | 2 | Son | None | Missouri |
| 98 | Ivon Pittman | 41 | Head | Installs | Missouri |
| 99 | Kate Pittman | 45 | Wife | None | Missouri |
| 100 | Elenor Pittman | 14 | Daughter | None | Missouri |
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)