JC
John Cavanaugh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dane-County, Wisconsin
Our Model Tree links this John Cavanaugh across the 1920, 1930 and 1940 US Censuses in Dane-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 66
b. ~1874
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dane-County, Wisconsin |
| Surname | Cavanaugh |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Mazomanie Village |
| 1935 Residence (County) | Dane |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Mazomanie Village |
| Est. Birth Year | ~1874 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Francis Cavanaugh | Son | — | 25 | ~1915 |
| Margaret Cavanaugh | Daughter | — | 21 | ~1919 |
| William Cavanaugh | Son | — | 29 | ~1911 |
| Margaret Cavanaugh | Spouse | — | 58 | ~1882 |
| John Cavanaugh | Head | — | 66 | ~1874 |
Census Appearances
1920
Dane, Wisconsin
Head, age 46
Dane, Wisconsin · implied b. ~1874 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mason |
| Industry | Contractor |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Dane, Wisconsin
Head, age 56
Dane, Wisconsin · implied b. ~1874 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mason |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1000 |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dane-County, Wisconsin
Head, age 66
Dane-County, Wisconsin · implied b. ~1874 — 5 household members
| Surname | Cavanaugh |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Mazomanie Village |
| 1935 Residence (County) | Dane |
| Class of Worker | 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 John Cavanaugh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Cavanaugh
Head · 1940 · age 66 · b. ~1874 · 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 — Dane-County, Wisconsin
Open full size
1940 US Federal Census — Dane-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04470-00625)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Curtis M. Bohn | 27 | Son | Mechanic | Wisconsin |
| 42 | Matilda L. Bohn | 27 | Wife | — | Wisconsin |
| 43 | Milton Billig | 36 | Head | — | Wisconsin |
| 44 | Alvina H. Billig | 63 | Wife | — | Wisconsin |
| 45 | Lulu Howard | 39 | Daughter | Seamstress | Wisconsin |
| 46 | Clinton A. Howard | 19 | Grandson | Laborer | Wisconsin |
| 47 | Marcelle E. Howard | 18 | Granddaughter | — | Wisconsin |
| 48 | Raphael J. Slack | 71 | Head | — | Iowa |
| 49 | Ellen L. Carey | 68 | Head | — | Wisconsin |
| 50 | Margaret L. Cunningham | 65 | Sister | School Teacher | Wisconsin |
| 51 | Margaret E. O'Connell | 81 | Head | — | Ohio |
| 52 | Anna L. Royston | 32 | Wife | — | Iowa |
| 53 | Earl J. Royston | 47 | Head | Conductor | Wisconsin |
| 54 | Marion K. Royston | 15 | Daughter | — | Wisconsin |
| 55 | Thomas E. Royston | 4 | Son | — | Iowa |
| 56 | Michael J. Royston | 2 | Son | — | Wisconsin |
| 57 | Anne M. Royston | 1 | Daughter | — | Wisconsin |
| 58 | Johanna E. Handel | 47 | Wife | — | Wisconsin |
| 59 | Charles A. Handel | 58 | Head | Carpenter | Wisconsin |
| 60 | Ernestine A. Dye | 70 | Wife | — | Wisconsin |
| 61 | Frederick R. Dye | 68 | Head | — | Wisconsin |
| 62 | Clarence E. Dye | 27 | Son | Sub. Mail Carrier | Wisconsin |
| 63 | Jenna C. Stebnitz | 69 | Head | — | Wisconsin |
| 64 | Florence J. Hardy | 29 | Wife | — | Wisconsin |
| 65 | James F. Hardy | 32 | Head | Laborer | Wisconsin |
| 66 | Donald J. Hardy | 12 | Son | — | Wisconsin |
| 67 | Dorothy J. Hardy | 10 | Daughter | — | Wisconsin |
| 68 | Iva M. Hardy | 8 | Daughter | — | Wisconsin |
| 69 | Wayne F. Hardy | 3 | Son | — | Wisconsin |
| 70 | Ruth E. Hardy | 1 | Daughter | — | Wisconsin |
| 71 | Katherine T. Gorit | 80 | Head | — | Wisconsin |
| 72 | Mary Goebel | 78 | Sister | — | Wisconsin |
| 73 | Frank C. Holcomb | 65 | Head | — | Wisconsin |
| 74 | Jennie L. Holcomb | 56 | Wife | — | Wisconsin |
| 75 | Gayle F. Holcomb | 21 | Son | — | Wisconsin |
| 76 | John W. Cavanaugh THIS PERSON | 66 | Head | — | Wisconsin |
| 77 | Margaret F. Cavanaugh | 58 | Wife | — | Wisconsin |
| 78 | William T. Cavanaugh | 29 | Son | Laborer | Wisconsin |
| 79 | Francis J. Cavanaugh | 25 | Son | Laborer | Wisconsin |
| 80 | Margaret M. Cavanaugh | 21 | Daughter | Asst Nurse | 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)