ES
Edward Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Palo-Alto-County, Iowa
Our Model Tree links this Edward Sullivan across the 1920, 1930 and 1940 US Censuses in Palo-Alto-County, Iowa (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Palo-Alto-County, Iowa |
| Surname | Sullivan |
| Given Name | Edward (ab) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Palo Alto |
| Additional Details | |
| Highest Grade | C 5 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Graettinger |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Helen Sullivan | Daughter | — | 20 | ~1920 |
| Vivian Sullivan | Daughter | — | 25 | ~1915 |
| Mary Sullivan | Daughter | — | 13 | ~1927 |
| John Sullivan | Head | — | 53 | ~1887 |
| Edward Sullivan | Son | — | 23 | ~1917 |
| Thomas Sullivan | Son | — | 18 | ~1922 |
| Helen Sullivan | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Palo Alto, …
Son, age 3
Palo Alto, Iowa · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Palo Alto, …
Son, age 13
Palo Alto, Iowa · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Palo-Alto-County, Iowa
Son, age 23
Palo-Alto-County, Iowa · implied b. ~1917 — 7 household members
| Surname | Sullivan |
| Given Name | Edward (ab) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Palo Alto |
| Highest Grade | C 5 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Edward Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Helen Sullivan (~0.92 confidence) and mother Hellen Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sullivan
b. ~1867
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Helen Sullivan
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Hellen Sullivan
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Sullivan
Son · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
Thomas Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Sullivan
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Sullivan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1940 · age 13
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 — Palo-Alto-County, Iowa
Open full size
1940 US Federal Census — Palo-Alto-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01189-00417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer Petersen | 55 | Head | Carpenter | Denmark |
| 42 | Ernest C. Andresen | 31 | Head | Operator | Iowa |
| 43 | Clara Andresen | 31 | Wife | — | Iowa |
| 44 | Patricia Kay Andresen | 3 | Daughter | — | Florida |
| 45 | Albert Jensen | 48 | Head | Painter | Iowa |
| 46 | Lottie E. Jensen | 42 | Wife | — | Iowa |
| 47 | Kenneth Jensen | 18 | Son | — | Iowa |
| 48 | Richard Jensen | 7 | Son | — | Iowa |
| 49 | Noeline Jensen | 2 | Daughter | — | Iowa |
| 50 | Karl Spies | 65 | Head | Farmer | Germany |
| 51 | Katharina Spies | 60 | Wife | — | Germany |
| 52 | Richard Spies | 18 | Son | Operator | Iowa |
| 53 | Albert J. Thompson | 31 | Head | — | Iowa |
| 54 | Anna L. Thompson | 27 | Wife | — | Iowa |
| 55 | James Lee Thompson | 7 | Son | — | Iowa |
| 56 | Carole Jean Thompson | 5 | Daughter | — | Iowa |
| 57 | Sharon Anne Thompson | 1 | Daughter | — | Iowa |
| 58 | Bennett Bennett | 28 | Head | Owner | Iowa |
| 59 | Evelyne Bennett | 23 | Wife | — | Iowa |
| 60 | Bonnie Bennett | 1 | Daughter | — | Iowa |
| 61 | Delver Andersen | 23 | Lodger | Operator | Iowa |
| 62 | Regnald I. Naae | 27 | Head | Hired Hand | Iowa |
| 63 | Ivis Naae | 22 | Wife | — | Minnesota |
| 64 | Dale Twitren | 25 | Lodger | Hired Hand | Iowa |
| 65 | Anna Petersen | 57 | Head | — | Iowa |
| 66 | Goodwin C. Thoreson | 26 | Head | Salesman | Iowa |
| 67 | Elaine Thoreson | 22 | Wife | — | Iowa |
| 68 | Daniel E. Mccarty | 69 | Head | Manager | Iowa |
| 69 | Sarah Mccarty | 52 | Wife | — | Iowa |
| 70 | John J. Sullivan | 53 | Head | Operator | Iowa |
| 71 | Helen Agnes Sullivan | 48 | Wife | — | Iowa |
| 72 | Vivian Sullivan | 25 | Daughter | Hired Hand | Minnesota |
| 73 | Edward (Ab) Sullivan THIS PERSON | 23 | Son | — | Iowa |
| 74 | Helen (Ab) Sullivan | 20 | Daughter | — | Iowa |
| 75 | Thomas Sullivan | 18 | Son | — | Iowa |
| 76 | Mary Sullivan | 13 | Daughter | — | Iowa |
| 77 | Mary M. Lambe | 70 | Head | — | Iowa |
| 78 | John J. Gerkany | 27 | Head | Operator | Montana |
| 79 | Catherine Gerkany | 21 | Wife | — | Iowa |
| 80 | Sharon Gerkany | 3 | Daughter | — | Iowa |
Pedigree Summary
Edward + 4 siblings
Gen 1 · 5 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)