MC
Mary Cullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lafayette-County, Wisconsin
Our Model Tree links this Mary Cullen across the 1930 and 1940 US Censuses in Lafayette-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lafayette-County, Wisconsin |
| Surname | Cullen |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Darlington City |
| 1935 Residence (County) | La-Fayette |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Darlington City |
| Est. Birth Year | ~1922 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Cullen | Daughter | — | 15 | ~1925 |
| William Cullen | Head | — | 45 | ~1895 |
| Mary Cullen | Daughter | — | 18 | ~1922 |
| William Cullen | Son | — | 6 | ~1934 |
| John Cullen | Son | — | 11 | ~1929 |
| Rose Cullen | Spouse | — | 47 | ~1893 |
| Kathryn Gough | Other | — | 30 | ~1910 |
| Bernard Gough | Other | — | 30 | ~1910 |
Census Appearances
1930
Lafayette, Wisconsin
Daughter, age 8
Lafayette, Wisconsin · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cullen |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Age at First Marriage | 8 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Lafayette-County, Wisconsin
Daughter, age 18
Lafayette-County, Wisconsin · implied b. ~1922 — 8 household members
| Surname | Cullen |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Darlington City |
| 1935 Residence (County) | La-Fayette |
| Class of Worker | 0 |
| Highest Grade | H-3 |
| 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 Mary Cullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cullen
Daughter · 1940 · age 18 · b. ~1922 · Wisconsin
★ You are viewing this record
Sibling
John Cullen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cullen
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cullen
Sibling · 1940 · age 15
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 — Lafayette-County, Wisconsin
Open full size
1940 US Federal Census — Lafayette-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04492-00192)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Jane Connell | 24 | Daughter | Clerk | Wisconsin |
| 42 | Jean Connell | 23 | Daughter | School Teacher | Wisconsin |
| 43 | Carl O Mallory | 47 | Head | Owner Operator | Wisconsin |
| 44 | Caroline Mallory | 47 | Wife | Clerk | Illinois |
| 45 | Samuel Mallory | 74 | Father | — | Wisconsin |
| 46 | Josephine Driver | 61 | Head | — | Wisconsin |
| 47 | Lloyd E Olson | 44 | Head | County Judge | Wisconsin |
| 48 | Alacoque Olson | 34 | Wife | — | Wisconsin |
| 49 | Edward P Wiegel | 53 | Head | Clerk | Wisconsin |
| 50 | Elizabeth Wiegel | 48 | Wife | — | Wisconsin |
| 51 | Glenn Wiegel | 23 | Son | Truck Driver | Wisconsin |
| 52 | Laura Wiegel | 20 | Daughter | Clerk | Wisconsin |
| 53 | Lillian Wiegel | 18 | Daughter | — | Wisconsin |
| 54 | Evelyn Wiegel | 14 | Daughter | — | Wisconsin |
| 55 | Barbara Wiegel | 12 | Daughter | — | Wisconsin |
| 56 | Bernard Wiegel | 10 | Son | — | Wisconsin |
| 57 | William T Cullen | 45 | Head | Mail Carrier | Wisconsin |
| 58 | Rose R Cullen | 47 | Wife | — | Wisconsin |
| 59 | Mary Sue Cullen THIS PERSON | 18 | Daughter | — | Wisconsin |
| 60 | Margaret C Cullen | 15 | Daughter | — | Wisconsin |
| 61 | John F Cullen | 11 | Son | — | Wisconsin |
| 62 | William Jr. Cullen | 6 | Son | — | Wisconsin |
| 63 | Bernard Gough | 30 | Lodger | Janitor | Wisconsin |
| 64 | Kathryn Gough | 30 | Lodger | Typist | Wisconsin |
| 65 | Walter W Woolworth | 73 | Head | — | Illinois |
| 66 | Stella M Woolworth | 72 | Wife | — | Wisconsin |
| 67 | Renna Ewing | 46 | Head | — | Wisconsin |
| 68 | Arnold Ewing | 22 | Son | Electrician | Wisconsin |
| 69 | Janette Ewing | 18 | Daughter | New Worker | Wisconsin |
| 70 | Paul Ewing | 16 | Son | — | Wisconsin |
| 71 | Richard Ewing | 13 | Son | — | Wisconsin |
| 72 | Lloyd R Gille | 22 | Head | Clerk | Wisconsin |
| 73 | Lucille M Gille | 22 | Wife | — | Wisconsin |
| 74 | Sonia Gille | 1 | Daughter | — | Wisconsin |
| 75 | Irene Sheldon | 72 | Head | — | Wisconsin |
| 76 | Edward Bell | 61 | Head | — | Wisconsin |
| 77 | Emma Bell | 63 | Wife | — | Wisconsin |
| 78 | Frank E Conley | 70 | Head | — | Wisconsin |
| 79 | Kate Conley | 69 | Wife | — | Illinois |
| 80 | Eva Stevenson | 36 | Maid | Maid | 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)