HS
Helen Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this Helen Sullivan across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents Patrick & Mary — first a daughter (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Sullivan |
| Given Name | Helen Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Franklin |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Sullivan | Daughter | — | 22 | ~1918 |
| Mary Sullivan | Head | — | 64 | ~1876 |
| John Sullivan | Son | — | 27 | ~1913 |
Census Appearances
1920
Franklin, Ohio
Daughter, age 1
Franklin, Ohio · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Helen Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Daughter, age 11
Franklin, Ohio · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Daughter, age 22
Franklin-County, Ohio · implied b. ~1918 — 3 household members
| Surname | Sullivan |
| Given Name | Helen Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Franklin |
| 1935 Residence (County) | Franklin |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Sullivan
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Sullivan
Daughter · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
John Sullivan
Sibling · 1940 · age 27
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 — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03247-00623)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma @ Hoch | 46 | Wife | — | Kentucky |
| 42 | Justin @ Mullen | 61 | Head | — | Ohio |
| 43 | Etta B. Mullen | 69 | Wife | — | Ohio |
| 44 | Mary A. Sullivan | 64 | Head | — | Ohio |
| 45 | John L. Sullivan | 27 | Son | Iron Forger | Ohio |
| 46 | Helen Louise Sullivan THIS PERSON | 22 | Daughter | — | Ohio |
| 47 | Mollie @ Anderson | 63 | Head | Restaurant Worker | Ohio |
| 48 | Ralph Abernathy | 38 | Lodger | Retail Salesman Clerk | Ohio |
| 49 | Jennie Grahill | 64 | Aunt | — | Ohio |
| 50 | Henry Hulich | 65 | Lodger | 12 | Ohio |
| 51 | Louis Gay | 54 | Head | 12 | Ohio |
| 52 | Florence @ Gay | 53 | Wife | 104 | Ohio |
| 53 | Robert Davison | 45 | H.H. Son | Tool Machinist | Ohio |
| 54 | Percy S. @ Meader | 51 | Head | — | Vermont |
| 55 | Vivian P. Meader | 32 | Wife | — | New York |
| 56 | Howard Humphreys | 6 | Son | — | Vermont |
| 57 | Katherine Higgins | 31 | Lodger | Roller Bearing Inspector | Ohio |
| 58 | Phyllis Higgins | 2 | Lodger | — | Ohio |
| 59 | Gunnell C. Williamson | 49 | Head | Stock Room Clerk | West Virginia |
| 60 | Cora Ann @ Williamson | 59 | Wife | — | Ohio |
| 61 | Howard W. Robbins | 57 | H.H. Son | 17 | Ohio |
| 62 | Lester W. Robbins | 17 | Nephew | 12 | Ohio |
| 63 | Charles Springer | 24 | Head | 12 | Ohio |
| 64 | Maudie @ Springer | 21 | Wife | — | Ohio |
| 65 | Charles Jr. Springer | 3 | Son | — | Ohio |
| 66 | Harvey Springer | 2 | Son | — | Ohio |
| 67 | Carol Louise Springer | 0 | Daughter | — | Ohio |
| 68 | Robert William Abbott | 43 | Head | Auto Mechanic | Illinois |
| 69 | Alvina @ Abbott | 35 | Wife | — | Illinois |
| 70 | Florence M. Abbott | 19 | Daughter | Bookkeeper Clerk | Illinois |
| 71 | Henry M. @ Harrison | 64 | Lodger | Garage Attendant | Ohio |
| 72 | Pearl Harrison | 36 | Wife | — | Ohio |
| 73 | Harry C. Rambo | 59 | Head | 12 | Ohio |
| 74 | Levina S. @ Rambo | 54 | Wife | — | Kentucky |
| 75 | Mary M. Rambo | 20 | Daughter | 2 | Ohio |
| 76 | Esther N. Rambo | 15 | Daughter | — | Ohio |
| 77 | Dewey Rambo | 23 | Son | 12 | Ohio |
| 78 | Ann Rambo | 18 | Daughter in law | — | Ohio |
| 79 | Henry A. Dortmund | 51 | Head | Carpenter | Ohio |
| 80 | Jennie @ Dortmund | 50 | Wife | — | Kentucky |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)