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Helen Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Helen Sullivan across the 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Wrapper |
| Industry | Dept store |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 486 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Wrapper |
| Township / Ward | Minneapolis |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Louise Sullivan | Daughter | — | 19 | ~1921 |
| Helen Sullivan | Daughter | — | 20 | ~1920 |
| Roger Sullivan | Son | — | 2 | ~1938 |
| Eugene Sullivan | Son | — | 18 | ~1922 |
| Gerald Sullivan | Son | — | 8 | ~1932 |
| Robert Sullivan | Son | — | 15 | ~1925 |
| Thomas Sullivan | Son | — | 21 | ~1919 |
| Irwin Sullivan | Son | — | 12 | ~1928 |
| Marie Sullivan | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Hennepin, Minnesota
Daughter, age 10
Hennepin, Minnesota · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Daughter, age 20
Hennepin-County, Minnesota · implied b. ~1920 — 9 household members
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Occupation | Wrapper |
| Industry | Dept store |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 486 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 20 · b. ~1920 · Minnesota
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Sibling
Robert Sullivan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Sullivan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Sullivan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irwin Sullivan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Sullivan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roger Sullivan
Sibling · 1940 · age 2
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01988-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Sullivan | 42 | Wife | — | Minnesota |
| 2 | Thomas Sullivan | 21 | Son | Laborer | Minnesota |
| 3 | Helen Sullivan THIS PERSON | 20 | Daughter | Wrapper | Minnesota |
| 4 | Louise Sullivan | 19 | Daughter | Laborer | Minnesota |
| 5 | Eugene Sullivan | 18 | Son | Truck Driver | Minnesota |
| 6 | Robert Sullivan | 15 | Son | — | Minnesota |
| 7 | Irwin Sullivan | 12 | Son | — | Minnesota |
| 8 | Gerald Sullivan | 8 | Son | — | Minnesota |
| 9 | Roger Sullivan | 2 | Son | — | Minnesota |
| 10 | George Potvin | 45 | Head | — | Minnesota |
| 11 | Melvina Potvin | 45 | Wife | Cooking | Minnesota |
| 12 | Clarence Potvin | 19 | Son | Truck Driver | Minnesota |
| 13 | Gladys Potvin | 16 | Daughter | — | Minnesota |
| 15 | Joseph Knoblauch | 72 | Head | — | Germany |
| 16 | John Knoblauch | 42 | Son | Broom Maker | Minnesota |
| 17 | Marie Knoblauch | 26 | Son | Proprietor | Minnesota |
| 18 | Fredrick Wahlgren | 69 | Head | Salesman | Minnesota |
| 19 | Nancy Wahlgren | 70 | Wife | — | Wisconsin |
| 20 | Richard Eriksen | 40 | Son in law | Carpenter | Minnesota |
| 21 | Thomas Eriksen | 1 | Grandson | — | Minnesota |
| 22 | Hilda Nilson | 70 | Head | — | Sweden |
| 23 | Carl Nilson | 36 | Son | Mach. Operator | Minnesota |
| 24 | Alice Nilson | 36 | Daughter in law | Machine Opertr | Minnesota |
| 25 | Harold Puffer | 31 | Head | Op. Park Keeper | Wisconsin |
| 26 | Lillian Puffer | 28 | Wife | Wrapper | Washington |
| 27 | Robert Puffer | 8 | Son | — | Minnesota |
| 28 | Raymond Puffer | 5 | Son | — | Minnesota |
| 29 | Lester Fesler | 59 | Father in law | Fireman | Minnesota |
| 30 | Charles Kunkel | 74 | Head | — | Minnesota |
| 31 | John Chaderdon | 42 | Son in law | Foreman | France |
| 32 | Elna Chaderdon | 40 | Daughter | — | Minnesota |
| 33 | Richard Chaderdon | 9 | Grandson | — | Minnesota |
| 34 | Ruben Carlson | 36 | Head | Engineer | Minnesota |
| 35 | Hazel Carlson | 30 | Wife | — | Minnesota |
| 36 | Louise Bowman | 51 | Head | Paper Mfg | Minnesota |
| 37 | Valeria Bowman | 23 | Daughter | Food Mfg | Minnesota |
| 38 | Mary Longton | 75 | Head | — | Canada French |
| 39 | Clarence Sweigert | 39 | Head | Driver - Delivery Car | Minnesota |
| 40 | Rosalyn Sweigert | 37 | Wife | — | Minnesota |
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)