JG
James Gunn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this James Gunn across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 8-person household.
Age 20
b. ~1910
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Gunn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Additional Details | |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Chicago |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| William Gunn | Son | — | 22 | ~1908 |
| Marie Gunn | Daughter | — | 16 | ~1914 |
| Marcella Gunn | Daughter | — | 14 | ~1916 |
| Mildred Gunn | Spouse | — | 52 | ~1878 |
| Lawrence Gunn | Son | — | 23 | ~1907 |
| James Gunn | Son | — | 20 | ~1910 |
| Charles Gunn | Son | — | 6 | ~1924 |
| Francis Gunn | Head | — | 51 | ~1879 |
Census Appearances
1930
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1910 — 8 household members
| Surname | Gunn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 31
Cook-County, Illinois · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gann |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 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 James Gunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Gunn
Son · 1930 · age 20 · b. ~1910 · Illinois
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Sibling
Marie Gunn
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Gunn
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Gunn
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gunn
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Gunn
Sibling · 1930 · age 6
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
14 people indexed on this census page (ia:1930:illinoiscensus00reel446:0462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis J Gunn | 51 | Head | Floor Finisher | Canada-English |
| 2 | Mildred Gunn | 52 | Wife | — | Canada-English |
| 3 | William J Gunn | 22 | Son | Chauffeur | Canada-English |
| 4 | James Gunn THIS PERSON | 20 | Son | Laborer | Illinois |
| 5 | Lawrence Gunn | 23 | Son | Laborer | California |
| 6 | Marie Gunn | 16 | Daughter | — | Illinois |
| 7 | Marcella Gunn | 14 | Daughter | — | Canada-English |
| 8 | Charles Gunn | 6 | Son | — | Illinois |
| 9 | Mildred Gunn | 58 | Head | Chauffeur | Canada-English |
| 10 | Clara Gunn | 28 | Daughter | — | Illinois |
| 11 | Leona Gunn | 26 | Daughter | — | Illinois |
| 12 | Francis Gunn | 23 | Son | — | Illinois |
| 13 | Dolores Gunn | 22 | Daughter | — | Illinois |
| 14 | Jane Gunn | 20 | Daughter | — | Illinois |
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)