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James Byrne — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-County, Wisconsin
Our Model Tree links this James Byrne across the 1930 and 1940 US Censuses in Rock-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 8-person household.
Age 52
b. ~1888
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-County, Wisconsin |
| Surname | Byrne |
| Given Name | James F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Porter |
| 1935 Residence (County) | Rock |
| Additional Details | |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farmer |
| Township / Ward | Porter |
| Est. Birth Year | ~1888 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Byrne | Head | — | 52 | ~1888 |
| Julianne Byrne | Daughter | — | 17 | ~1923 |
| Genevieve Byrne | Daughter | — | 18 | ~1922 |
| James Byrne | Son | — | 20 | ~1920 |
| Gerald Byrne | Son | — | 12 | ~1928 |
| Nicholas Rix | Other | — | 76 | ~1864 |
| Ellen Byrne | Spouse | — | 51 | ~1889 |
| Veronica Byrne | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Rock, Wisconsin
Head, age 42
Rock, Wisconsin · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 30 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Rock-County, Wisconsin
Head, age 52
Rock-County, Wisconsin · implied b. ~1888 — 8 household members
| Surname | Byrne |
| Given Name | James F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Porter |
| 1935 Residence (County) | Rock |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Byrne across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Byrne
Head · 1940 · age 52 · b. ~1888 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-County, Wisconsin
Open full size
1940 US Federal Census — Rock-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04521-00302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lelia Ellingson | 50 | Wife | — | Wisconsin |
| 42 | Vincent Lundeen | 51 | Head | Farmer | Wisconsin |
| 43 | Elizabeth Lundeen | 46 | Wife | — | Wisconsin |
| 44 | Romin Lundeen | 19 | Son | Farmer | Wisconsin |
| 45 | Elizabeth Lundeen | 17 | Daughter | — | Wisconsin |
| 46 | Marguerite Lundeen | 16 | Daughter | — | Wisconsin |
| 47 | John Popanz | 30 | Head | Farmer | Wisconsin |
| 48 | Dora Popanz | 25 | Wife | — | Wisconsin |
| 49 | William Berges | 51 | Head | Farmer | Wisconsin |
| 50 | Augusta Berges | 49 | Wife | — | Wisconsin |
| 51 | Edwin Berges | 25 | Son | Electrician | Wisconsin |
| 52 | Esther Berges | 19 | Daughter | — | Wisconsin |
| 53 | Dorothy Berges | 17 | Daughter | — | Wisconsin |
| 54 | Otto Scherer | 82 | Father in law | — | Germany |
| 55 | Joseph Tiernan | 62 | Head | Farmer | Wisconsin |
| 56 | Theresa Tiernan | 51 | Sister | — | Wisconsin |
| 57 | Carl Dorn | 34 | Head | Farmer | Wisconsin |
| 58 | Laura Dorn | 33 | Wife | — | Wisconsin |
| 59 | Leslie Dorn | 9 | Son | — | Wisconsin |
| 60 | Margaret Dorn | 6 | Daughter | — | Wisconsin |
| 61 | Delores Dorn | 3 | Daughter | — | Wisconsin |
| 62 | Charles Perkins | 69 | Lodger | — | New York |
| 63 | James F. Byrne THIS PERSON | 52 | Head | Farmer | Wisconsin |
| 64 | Ellen Byrne | 51 | Wife | — | Illinois |
| 65 | James Byrne | 20 | Son | Farmer | Wisconsin |
| 66 | Veronica Byrne | 19 | Daughter | Office Work | Wisconsin |
| 67 | Genevieve Byrne | 18 | Daughter | Office Work | Wisconsin |
| 68 | Julianne Byrne | 17 | Daughter | Typing | Wisconsin |
| 69 | Gerald Byrne | 12 | Son | — | Wisconsin |
| 70 | Nicholas Rix | 76 | Boarder | — | Wisconsin |
| 71 | Emma Hadley | 84 | Head | — | England |
| 72 | Arthur Hadley | 45 | Son | Farmer | Wisconsin |
| 73 | Ed Rappe | 30 | Hired man | Farmer | Wisconsin |
| 74 | Sara Towne | 65 | Head | — | Wisconsin |
| 75 | Malcolm Towne | 32 | Head | Farmer | Wisconsin |
| 76 | Bernadine Towne | 30 | Wife | — | Wisconsin |
| 77 | Helen Towne | 9 | Daughter | — | Wisconsin |
| 78 | Richard Towne | 7 | Son | — | Wisconsin |
| 79 | Ruth Ann Towne | 3 | Daughter | — | Wisconsin |
| 80 | Sam Peterson | 22 | Hired man | Farmer | Wisconsin |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)