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Helen Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Olmsted-County, Minnesota
Our Model Tree links this Helen Sullivan across the 1930 and 1940 US Censuses in Olmsted-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Olmsted-County, Minnesota |
| Surname | Sullivan |
| Given Name | Helen C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | High Forest Township |
| 1935 Residence (County) | Olmsted |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | High Forest Township |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Lucille Sullivan | Daughter | — | 9 | ~1931 |
| Helen Sullivan | Daughter | — | 12 | ~1928 |
| Mary Sullivan | Daughter | — | 17 | ~1923 |
| Wm Sullivan | Head | — | 45 | ~1895 |
| Raymond Sullivan | Son | — | 11 | ~1929 |
| Richard Sullivan | Son | — | 7 | ~1933 |
| Allen Sullivan | Son | — | 4 | ~1936 |
| Robert Sullivan | Son | — | 14 | ~1926 |
| Gerald Sullivan | Son | — | 16 | ~1924 |
| Catherine Sullivan | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Olmsted, Minnesota
Daughter, age 2
Olmsted, Minnesota · implied b. ~1928 — 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 | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Iowa |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Olmsted-County, Minnesota
Daughter, age 12
Olmsted-County, Minnesota · implied b. ~1928 — 10 household members
| Surname | Sullivan |
| Given Name | Helen C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | High Forest Township |
| 1935 Residence (County) | Olmsted |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 12 · b. ~1928 · Minnesota
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Sibling
Robert Sullivan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Sullivan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Sullivan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Sullivan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Sullivan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald 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 — Olmsted-County, Minnesota
Open full size
1940 US Federal Census — Olmsted-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01943-00644)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reinhart R Schwanke | 45 | Head | Farmer | Minnesota |
| 2 | Florence Schwanke | 37 | Wife | — | Minnesota |
| 3 | Dorothy R Schwanke | 14 | Daughter | — | Minnesota |
| 4 | Majorie G Schwanke | 3 | Daughter | — | Minnesota |
| 5 | George W Gardener | 68 | Head | Farmer | Minnesota |
| 6 | Alta M Gardener | 60 | Wife | — | Minnesota |
| 7 | Phyllis I Gardener | 25 | Daughter | Grade Teacher | Minnesota |
| 8 | Doris A Gardener | 24 | Daughter | Book Keeper | Minnesota |
| 9 | Chas E Spencer | 54 | Head | Farmer | Minnesota |
| 10 | Florence L Spencer | 46 | Wife | — | Minnesota |
| 11 | Regina L Spencer | 24 | Daughter | Rural School | Minnesota |
| 12 | Charles E Spencer | 23 | Son | Farm Labor | Minnesota |
| 13 | Elizabeth A Spencer | 19 | Daughter | — | Minnesota |
| 14 | Raleigh E Shield | 48 | Head | Farmer | Minnesota |
| 15 | Martha Shield | 44 | Wife | — | Minnesota |
| 16 | Howard Shield | 21 | Son | Farm Labor | Minnesota |
| 17 | John A Shield | 13 | Son | — | Minnesota |
| 18 | John Hedin | 68 | Father-in-law | — | Sweden |
| 20 | Harley E Kough | 29 | Head | Farm Manager | Minnesota |
| 21 | Rose I Kough | 36 | Wife | — | Minnesota |
| 22 | Wm F Kough | 9 | Son | — | Minnesota |
| 23 | Eugene D Kough | 7 | Son | — | Minnesota |
| 24 | Laverne H Kough | 4 | Son | — | Minnesota |
| 25 | Gerald E Sexton | 30 | Head | Farm Labor | Minnesota |
| 26 | Lela M Sexton | 26 | Wife | — | Minnesota |
| 27 | Wm G Sexton | 9 | Son | — | Minnesota |
| 28 | Eugene T Sexton | 7 | Son | — | Minnesota |
| 29 | Richard C Spencer | 51 | Head | Farmer | Minnesota |
| 30 | Kathryn E Spencer | 46 | Wife | — | Minnesota |
| 31 | Wm J Sullivan | 45 | Head | Farmer | Minnesota |
| 32 | Catherine C Sullivan | 39 | Wife | — | Minnesota |
| 33 | Mary M Sullivan | 17 | Daughter | — | Minnesota |
| 34 | Gerald F Sullivan | 16 | Son | — | Minnesota |
| 35 | Robert W Sullivan | 14 | Son | — | Minnesota |
| 36 | Helen C Sullivan THIS PERSON | 12 | Daughter | — | Minnesota |
| 37 | Raymond D Sullivan | 11 | Son | — | Minnesota |
| 38 | Lucille R Sullivan | 9 | Daughter | — | Minnesota |
| 39 | Richard N Sullivan | 7 | Son | — | Minnesota |
| 40 | Allen J Sullivan | 4 | Son | — | 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)