JD
James Dunn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this James Dunn across the 1920 and 1930 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 17-person household.
Age 15
b. ~1915
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Dunn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | St Ferdinand Township |
| Est. Birth Year | ~1915 |
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.
17 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Dunn | Daughter | — | 11 | ~1919 |
| Mary Dunn | Daughter | — | ~1930 | |
| Rosa Dunn | Daughter | — | ~1930 | |
| James Dunn | Head | — | 43 | ~1887 |
| John Dunn | Son | — | 13 | ~1917 |
| Joseph Dunn | Son | — | ~1930 | |
| James Dunn | Son | — | 15 | ~1915 |
| Charles Dunn | Son | — | 3 | ~1927 |
| George Dunn | Son | — | 5 | ~1925 |
| Frank Dunn | Son | — | 1 | ~1929 |
| Richard Dunn | Son | — | ~1930 | |
| Edward Dunn | Son | — | ~1930 | |
| Robert Dunn | Son | — | 7 | ~1923 |
| William Dunn | Son | — | 9 | ~1921 |
| Thomas Dunn | Son | — | ~1930 | |
| Henry Dunn | Son | — | ~1930 | |
| Sarah Dunn | Spouse | — | 40 | ~1890 |
Census Appearances
1920
St Louis, …
Son, age 3
St Louis, Missouri · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 15
St Louis, Missouri · implied b. ~1915 — 17 household members
| Surname | Dunn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Dunn across 2 US Census years (1920 and 1930) in St Louis, Missouri, using XGBoost record linkage.
Show:
This person
Anchor record
James Dunn
Son · 1930 · age 15 · b. ~1915 · Missouri
★ You are viewing this record
Sibling
Mary Dunn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Dunn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Dunn
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dunn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Dunn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dunn
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Dunn
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dunn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dunn
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dunn
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dunn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Dunn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dunn
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Dunn
Sibling · 1930 · age 1
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 — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1222:0421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | — | 23 | Son | Farmer | Missouri |
| 52 | — | 21 | Son | — | Germany |
| 53 | — | 19 | Daughter | — | Illinois |
| 54 | — | 17 | Daughter | — | Canada |
| 55 | — | 15 | Daughter | — | Canada |
| 56 | — | 13 | Daughter | — | Missouri |
| 57 | James Dunn | 43 | Head | Laborer | Missouri |
| 58 | Sarah Dunn | 40 | Wife | — | Missouri |
| 59 | James Dunn THIS PERSON | 15 | Son | Laborer | Missouri |
| 60 | John Dunn | 13 | Son | — | Missouri |
| 61 | Mary Dunn | 11 | Daughter | — | Missouri |
| 62 | William Dunn | 9 | Son | — | Missouri |
| 63 | Robert Dunn | 7 | Son | — | Missouri |
| 64 | George Dunn | 5 | Son | — | Missouri |
| 65 | Charles Dunn | 3 | Son | — | Missouri |
| 66 | Frank Dunn | 1 | Son | — | Missouri |
| 67 | Thomas Dunn | 0 | Son | — | Missouri |
| 68 | Edward Dunn | 0 | Son | — | Missouri |
| 69 | Richard Dunn | 0 | Son | — | Missouri |
| 70 | Henry Dunn | 0 | Son | — | Missouri |
| 71 | Joseph Dunn | 0 | Son | — | Missouri |
| 72 | Rosa Dunn | 0 | Daughter | — | Missouri |
| 73 | Mary Dunn | 0 | Daughter | — | Missouri |
| 74 | John Dunn | 48 | Head | Laborer | Missouri |
| 75 | Mary Dunn | 44 | Wife | — | Missouri |
| 76 | Emma Dunn | 20 | Daughter | Laborer | Missouri |
| 77 | James Dunn | 18 | Son | Laborer | Missouri |
| 78 | William Dunn | 16 | Son | — | Missouri |
| 79 | George Dunn | 14 | Son | — | Missouri |
| 80 | Charles Dunn | 12 | Son | — | Missouri |
| 81 | Frank Dunn | 10 | Son | — | Missouri |
| 82 | Edward Dunn | 8 | Son | — | Missouri |
| 83 | Richard Dunn | 6 | Son | — | Missouri |
| 84 | Henry Dunn | 4 | Son | — | Missouri |
| 85 | Joseph Dunn | 2 | Son | — | Missouri |
| 86 | Rosa Dunn | 0 | Daughter | — | Missouri |
| 87 | Mary Dunn | 0 | Daughter | — | Missouri |
| 88 | John Dunn | 0 | Son | — | Missouri |
| 89 | Emma Dunn | 0 | Daughter | — | Missouri |
| 90 | James Dunn | 0 | Son | — | Missouri |
| 91 | William Dunn | 0 | Son | — | Missouri |
| 92 | George Dunn | 0 | Son | — | Missouri |
| 93 | Charles Dunn | 0 | Son | — | Missouri |
| 94 | Frank Dunn | 0 | Son | — | Missouri |
| 95 | Edward Dunn | 0 | Son | — | Missouri |
| 96 | Richard Dunn | 0 | Son | — | Missouri |
| 97 | Henry Dunn | 0 | Son | — | Missouri |
| 98 | Joseph Dunn | 0 | Son | — | Missouri |
| 99 | Rosa Dunn | 0 | Daughter | — | Missouri |
| 100 | Mary Dunn | 0 | Daughter | — | Missouri |
Related Census Records
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)