HS
Helen Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Columbiana-County, Ohio
Our Model Tree links this Helen Sullivan across the 1930 and 1940 US Censuses in Columbiana-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 12-person household.
Age 14
b. ~1926
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbiana-County, Ohio |
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | E. Liverpool |
| 1935 Residence (County) | Columbiana |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | E Liverpool |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| Jean Sullivan | Daughter | — | 5 | ~1935 |
| Mary Sullivan | Daughter | — | 8 | ~1932 |
| Helen Sullivan | Daughter | — | 14 | ~1926 |
| Loretta Sullivan | Daughter | — | 15 | ~1925 |
| Thomas Sullivan | Head | — | 45 | ~1895 |
| Geo Mitcheson | Other | — | 27 | ~1913 |
| John Sullivan | Son | — | 18 | ~1922 |
| Robert Sullivan | Son | — | 7 | ~1933 |
| Raymond Sullivan | Son | — | 10 | ~1930 |
| Thomas Sullivan | Son | — | 20 | ~1920 |
| William Sullivan | Son | — | 12 | ~1928 |
| Loretta Sullivan | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Columbiana, Ohio
Daughter, age 4
Columbiana, Ohio · implied b. ~1926 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Columbiana-County, Ohio
Daughter, age 14
Columbiana-County, Ohio · implied b. ~1926 — 12 household members
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | E. Liverpool |
| 1935 Residence (County) | Columbiana |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
John Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Sullivan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Sullivan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Sullivan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Sullivan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sullivan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sullivan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1940 · age 8
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 — Columbiana-County, Ohio
Open full size
1940 US Federal Census — Columbiana-County, Ohio
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03044-00216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dale Lorentz | 40 | Head | Laborer | W. Virginia |
| 42 | Florence Lorentz | 48 | Wife | — | Ohio |
| 43 | Thomas Sullivan | 45 | Head | Presser | Pennsylvania |
| 44 | Loretta Sullivan | 44 | Wife | — | Ohio |
| 45 | Thomas Sullivan | 20 | Son | New Worker | Ohio |
| 46 | John Sullivan | 18 | Son | New Worker | Ohio |
| 47 | Loretta Sullivan | 15 | Daughter | — | Ohio |
| 48 | Helen Sullivan THIS PERSON | 14 | Daughter | — | Ohio |
| 49 | William Sullivan | 12 | Son | — | Ohio |
| 50 | Raymond Sullivan | 10 | Son | — | Ohio |
| 51 | Mary Sullivan | 8 | Daughter | — | Ohio |
| 52 | Robert Sullivan | 7 | Son | — | Ohio |
| 53 | Jean Sullivan | 5 | Daughter | — | Ohio |
| 54 | Geo Mitcheson | 27 | Stepson | — | Ohio |
| 55 | Benjamin Lockhart | 47 | Head | Pottery | W. Virginia |
| 56 | Edith Lockhart | 44 | Wife | — | Ohio |
| 57 | Foster Lockhart | 20 | Son | Clerk | West Virginia |
| 58 | Dallas Lockhart | 18 | Son | — | West Virginia |
| 59 | Nanda Lockhart | 15 | Daughter | — | W. Virginia |
| 60 | Harold Lockhart | 13 | Son | — | W. Virginia |
| 61 | Arle Green | 44 | Head | — | Ohio |
| 62 | Inez Green | 42 | Wife | — | W. Virginia |
| 63 | Everett Green | 20 | Son | New Worker | Ohio |
| 64 | William Green | 18 | Son | New Worker | Ohio |
| 65 | Jack Green | 16 | Son | New Worker | Ohio |
| 66 | Robert Milby | 45 | Head | Packer | W. Virginia |
| 67 | Ethel Milby | 46 | Wife | Decorator | Ohio |
| 68 | Mildred Milby | 14 | Daughter | — | Ohio |
| 69 | Kenneth Watkins | 30 | Head | Cup Sponger | Ohio |
| 70 | Margaret Watkins | 26 | Wife | Stilt Picker | Ohio |
| 71 | Donald Watkins | 7 | Son | — | Ohio |
| 72 | Frank Nelson | 50 | Head | Transfer | Ohio |
| 73 | Mabel Nelson | 40 | Wife | — | England |
| 74 | Frank Nelson | 22 | Son | — | Ohio |
| 75 | Minnie Mulligan | 67 | Head | Janitress | England |
| 76 | May Mulligan | 34 | Daughter | — | Ohio |
| 77 | William Jackson | 64 | Head | Machinist | England |
| 78 | Esta Jackson | 54 | Wife | — | Ohio |
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)