MC
Mary Conner — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dane-County, Wisconsin
Our Model Tree links this Mary Conner across the 1930 and 1940 US Censuses in Dane-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dane-County, Wisconsin |
| Surname | Conner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Madison City |
| 1935 Residence (County) | Dane |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Madison City |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Irene Conner | Daughter | — | 19 | ~1921 |
| Robert Conner | Son | — | 21 | ~1919 |
| Bert Conner | Head | — | 45 | ~1895 |
| Mary Conner | Daughter | — | 12 | ~1928 |
| Catherine Conner | Daughter | — | 17 | ~1923 |
| Eileen Conner | Daughter | — | 12 | ~1928 |
| Irene Conner | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Dane, Wisconsin
Daughter, age 2
Dane, Wisconsin · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conners |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Utah |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dane-County, Wisconsin
Daughter, age 12
Dane-County, Wisconsin · implied b. ~1928 — 7 household members
| Surname | Conner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Madison City |
| 1935 Residence (County) | Dane |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Wisconsin |
| 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 Mary Conner across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conner
Daughter · 1940 · age 12 · b. ~1928 · Wisconsin
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Sibling
Eileen Conner
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Conner
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Conner
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Conner
Sibling · 1940 · age 21
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
1940 US Federal Census — Dane-County, Wisconsin
Open full size
1940 US Federal Census — Dane-County, Wisconsin
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-04468-00842)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Gilliland | 25 | Lodger | Janitor | Wisconsin |
| 42 | Sanford Rice | 45 | Lodger | Janitor | Wisconsin |
| 43 | Ramsey Hanson | 20 | Lodger | Operator | Wisconsin |
| 45 | Wm. F. Bernard | 70 | Head | — | Wisconsin |
| 46 | Gertrude Bernard | 64 | Wife | — | Wisconsin |
| 47 | Henry E. Lundring | 56 | Head | Distributor | Wisconsin |
| 48 | Thelma E. Lundring | 57 | Wife | — | Wisconsin |
| 49 | Elizabeth Lundring | 21 | Daughter | — | Wisconsin |
| 50 | Mary M. Lundring | 17 | Daughter | Clerk-Typist | Wisconsin |
| 51 | Frances B. Lundring | 15 | Daughter | — | Wisconsin |
| 52 | J. N. Scale | 60 | Head | Baggageman | Wisconsin |
| 53 | Mrs. J. N. Scale | 57 | Wife | — | Wisconsin |
| 54 | Thelma Chester | 29 | Lodger | Stenographer | Michigan |
| 55 | Ruby Lengacher | 23 | Lodger | Accountant | Wisconsin |
| 56 | Leland Thoms | 26 | Lodger | Accountant | Wisconsin |
| 57 | Walter Bean | 62 | Head | Retired | Wisconsin |
| 58 | Mrs. Joseph E. Bean | 62 | Wife | — | Wisconsin |
| 59 | Bert J. Conner | 45 | Head | Salesman-Wholesale | Ohio |
| 60 | Irene Conner | 48 | Wife | Manager | Wisconsin |
| 61 | Robert Conner | 21 | Son | General Office | Wisconsin |
| 62 | Irene M. Conner | 19 | Daughter | — | Wisconsin |
| 63 | Catherine A. Conner | 17 | Daughter | — | Wisconsin |
| 64 | Eileen Conner | 12 | Daughter | — | Wisconsin |
| 65 | Mary Conner THIS PERSON | 12 | Daughter | — | Wisconsin |
| 67 | C. C. Collins | 75 | Head | Retired | Michigan |
| 68 | Le Vern Thomas | 29 | Servant | Caretaker | Wisconsin |
| 69 | Frank S. Cormick | 78 | Head | — | Wisconsin |
| 70 | Mrs. Frank S. Cormick | 78 | Wife | — | Wisconsin |
| 71 | Margaret Farle | 22 | Servant | Housework | Wisconsin |
| 72 | John Guy Carnahan | 41 | Head | Professor | Kansas |
| 73 | Agatha Carnahan | 34 | Wife | — | Illinois |
| 74 | Sara Ann Carnahan | 11 | Daughter | — | Wisconsin |
| 75 | Nancy L. Carnahan | 6 | Daughter | — | Wisconsin |
| 76 | Vila Chitwood | 22 | Servant | Housework | Wisconsin |
| 78 | Arthur C. Messard | 46 | Head | Superintendent | Wisconsin |
| 79 | Mrs. Arthur C. Messard | 48 | Wife | Stenographer | Wisconsin |
| 80 | Mary L. Messard | 80 | Mother | — | 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)