MC
Mary Cavanaugh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Nebraska
Our Model Tree links this Mary Cavanaugh across the 1920, 1930 and 1940 US Censuses in Douglas-County, Nebraska (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 4-person household.
Age 48
b. ~1892
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Nebraska |
| Surname | Cavanaugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Omaha City |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Omaha City |
| Est. Birth Year | ~1892 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Francis Cavanaugh | Son | — | 17 | ~1923 |
| John Cavanaugh | Son | — | 19 | ~1921 |
| John Cavanaugh | Head | — | 50 | ~1890 |
| Mary Cavanaugh | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Douglas, Nebraska
Spouse, age 29
Douglas, Nebraska · implied b. ~1891 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | none |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Douglas, Nebraska
Spouse, age 39
Douglas, Nebraska · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 29 |
| Father's Birthplace | Penn Canada |
| Mother's Birthplace | French Canada |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Douglas-County, Nebraska
Spouse, age 48
Douglas-County, Nebraska · implied b. ~1892 — 4 household members
| Surname | Cavanaugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Omaha City |
| 1935 Residence (County) | Douglas |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mary Cavanaugh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cavanaugh
Spouse · 1940 · age 48 · b. ~1892 · Nebraska
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Douglas-County, Nebraska
Open full size
1940 US Federal Census — Douglas-County, Nebraska
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02272-01082)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Conley | 29 | Son | Salesman | Nebraska |
| 2 | Mary Conley | 29 | Daughter | — | New York |
| 3 | Edward Conley | 5 | Son | — | Nebraska |
| 4 | Catherine Conley | 3 | Daughter | — | Nebraska |
| 5 | John Conley | 2 | Son | — | Nebraska |
| 6 | Sally Conley | 0 | Daughter | — | Nebraska |
| 8 | Mike Handzer | 75 | Head | — | Poland |
| 9 | Sophia Handzer | 72 | Wife | — | Poland |
| 10 | John H. Osowski | 52 | Son | Switchman | Nebraska |
| 11 | Joseph Cwirko | 22 | Boarder | Laborer | Nebraska |
| 12 | Lucille Cwirko | 22 | Wife | Laborer | Nebraska |
| 13 | Louis Dunis | 33 | Head | Clerk | Nebraska |
| 14 | Veronica Dunis | 25 | Wife | — | Nebraska |
| 15 | Irene Dunis | 5 | Daughter | — | Nebraska |
| 16 | George Dunis | 1 | Son | — | Nebraska |
| 17 | Charles Hassal | 32 | Head | Steelworker | Slovakia |
| 18 | Frances Hassal | 29 | Wife | Planlady | Nebraska |
| 19 | Anna Dargaczewski | 80 | Head | — | Poland |
| 20 | Frances Dargaczewski | 47 | Daughter | Typist | Nebraska |
| 21 | Evelyn Dargaczewski | 46 | Daughter | Seamstress | Nebraska |
| 22 | Joseph L. Truska | 36 | Head | Florist | Nebraska |
| 23 | Viola Truska | 34 | Wife | Beauty Operator | Nebraska |
| 24 | Carol Ann Truska | 15 | Daughter | — | Nebraska |
| 25 | Velma Truska | 2 | Daughter | — | Nebraska |
| 26 | Jo Ann Truska | 1 | Daughter | — | Nebraska |
| 27 | Mary Pawlowski | 51 | Head | — | Poland |
| 28 | Edward Pawlowski | 25 | Son | Gas Meter Reader | Nebraska |
| 29 | Frank Coy | 44 | Head | Butcher | Nebraska |
| 30 | Ethel Coy | 34 | Wife | — | Nebraska |
| 31 | Frank Coy | 2 | Son | — | Nebraska |
| 32 | Ray Kalkowski | 27 | Head | Roofer | Nebraska |
| 33 | Katherine Kalkowski | 23 | Wife | Laborer | Nebraska |
| 34 | Elizabeth Kalkowski | 2 | Daughter | — | Nebraska |
| 35 | John | 68 | Father | Shoemaker | Poland |
| 36 | Magdalene | 67 | Mother | — | Poland |
| 37 | John Cavanaugh | 50 | Head | Fireman | Nebraska |
| 38 | Mary Cavanaugh THIS PERSON | 48 | Wife | — | Iowa |
| 39 | John G. Cavanaugh | 19 | Son | Clerk | Nebraska |
| 40 | Francis Cavanaugh | 17 | Son | Clerk | Nebraska |
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)