HS
Helen Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fond-Du-Lac-County, Wisconsin
Our Model Tree links this Helen Sullivan across the 1930 and 1940 US Censuses in Fond-Du-Lac-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fond-Du-Lac-County, Wisconsin |
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Fond du Lac City |
| 1935 Residence (County) | Fond du Lac |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Fond Du Lac City |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 21 | ~1919 |
| Helen Sullivan | Daughter | — | 13 | ~1927 |
| Catherine Sullivan | Daughter | — | 8 | ~1932 |
| Genevieve Sullivan | Daughter | — | 14 | ~1926 |
| Dorothy Sullivan | Daughter | — | 11 | ~1929 |
| Arthur Sullivan | Head | — | 49 | ~1891 |
| Francis Sullivan | Son | — | 2 | ~1938 |
| David Sullivan | Son | — | 10 | ~1930 |
| Thomas Sullivan | Son | — | 16 | ~1924 |
| John Sullivan | Son | — | 5 | ~1935 |
| Raymond Sullivan | Son | — | 17 | ~1923 |
| Margaret Sullivan | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Fond Du …
Daughter, age 3
Fond Du Lac, Wisconsin · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Helen J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Fond-Du-Lac-County, Wisconsin
Daughter, age 13
Fond-Du-Lac-County, Wisconsin · implied b. ~1927 — 12 household members
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Fond du Lac City |
| 1935 Residence (County) | Fond du Lac |
| 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 Helen Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Sullivan
Daughter · 1940 · age 13 · b. ~1927 · Wisconsin
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Sibling
John Sullivan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sullivan
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Sullivan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Sullivan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Sullivan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sullivan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Sullivan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Sullivan
Sibling · 1940 · age 16
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 — Fond-Du-Lac-County, Wisconsin
Open full size
1940 US Federal Census — Fond-Du-Lac-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04479-00848)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy Pipping | 17 | Daughter | — | Wisconsin |
| 2 | Marthel Pipping | 15 | Daughter | — | Wisconsin |
| 3 | Richard Pipping | 11 | Son | — | Wisconsin |
| 4 | Meta Sander | 52 | Head | House Mother | Wisconsin |
| 5 | Geneva Sander | 78 | Mother | — | Wisconsin |
| 6 | Clarence Buchholz | 26 | Nephew | Stock Clerk | Wisconsin |
| 7 | Gail Buchholz | 25 | Wife | Mitter | Wisconsin |
| 8 | Emma Salinger | 65 | Head | — | Wisconsin |
| 9 | Walter Salinger | 45 | Brother-in-law | Salesman | Wisconsin |
| 10 | Clarence Slawson | 48 | Head | Maintenance Engineer | Illinois |
| 11 | Myrtle Slawson | 46 | Wife | — | Wisconsin |
| 12 | Thelma Slawson | 16 | Daughter | — | Kansas |
| 13 | Eldor Itting | 41 | Head | Line Man | Wisconsin |
| 14 | Rose B Itting | 41 | Wife | — | Wisconsin |
| 15 | Helen Itting | 13 | Daughter | — | Wisconsin |
| 16 | Donald E. Itting | 7 | Son | — | Wisconsin |
| 17 | Arthur Sullivan | 49 | Head | R.R. Clerk | Wisconsin |
| 18 | Margaret Sullivan | 49 | Wife | — | Minnesota |
| 19 | Margaret Sullivan | 21 | Daughter | — | Wisconsin |
| 20 | Raymond Sullivan | 17 | Son | — | Wisconsin |
| 21 | Thomas Sullivan | 16 | Son | — | Wisconsin |
| 22 | Genevieve Sullivan | 14 | Daughter | — | Wisconsin |
| 23 | Helen Sullivan THIS PERSON | 13 | Daughter | — | Wisconsin |
| 24 | Dorothy Sullivan | 11 | Daughter | — | Wisconsin |
| 25 | David Sullivan | 10 | Son | — | Wisconsin |
| 26 | Catherine Sullivan | 8 | Daughter | — | Wisconsin |
| 27 | John Sullivan | 5 | Son | — | Wisconsin |
| 28 | Francis Sullivan | 2 | Son | — | Wisconsin |
| 29 | Emilie Weis | 73 | Head | — | Germany |
| 30 | Edwin Weis | 37 | Son | Salesman | Wisconsin |
| 31 | Frances Weis | 35 | Wife | — | Wisconsin |
| 32 | Joan Weis | 4 | Daughter | — | Wisconsin |
| 33 | David D. Daora | 48 | Head | Machinist | Wisconsin |
| 34 | Hazel Daora | 46 | Wife | — | Wisconsin |
| 35 | June Elizabeth Daora | 23 | Daughter | Repair Clerk | Wisconsin |
| 36 | D. Brownell Daora | 21 | Son | — | Wisconsin |
| 37 | Minnie E Billard | 71 | Mother | — | Wisconsin |
| 38 | Everett Kraka | 50 | Head | Fireman-Engineer | Wisconsin |
| 39 | Georgiana Kraka | 48 | Wife | — | Wisconsin |
| 40 | Martha Kraemer | 57 | Head | — | Fond du Lac |
Related Census Records
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)