AS
Alice Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Alice Sullivan across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Sullivan |
| Given Name | Alice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Davenport City |
| Est. Birth Year | ~1883 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Mary Sullivan | Daughter | — | 23 | ~1917 |
| John Sullivan | Head | — | 56 | ~1884 |
| Alice Sullivan | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Scott, Iowa
Spouse, age 36
Scott, Iowa · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Alice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Scott, Iowa
Other, age 47
Scott, Iowa · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Alice |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Scott-County, Iowa
Spouse, age 57
Scott-County, Iowa · implied b. ~1883 — 3 household members
| Surname | Sullivan |
| Given Name | Alice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Alice Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Sullivan
Spouse · 1940 · age 57 · b. ~1883 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Scott-County, Iowa
Open full size
1940 US Federal Census — Scott-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01203-00489)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Chaney | 37 | Head | Manager | Illinois |
| 42 | Crescenta Chaney | 36 | Wife | — | Iowa |
| 43 | Mary Ann Chaney | 8 | Daughter | — | Iowa |
| 44 | Suzanne Chaney | 6 | Daughter | — | Iowa |
| 45 | Linda Chaney | 3 | Daughter | — | Iowa |
| 46 | Georgia Chaney | 1 | Daughter | — | Iowa |
| 47 | Alois Heigl | 76 | Father-in-law | Cutter | France |
| 48 | Gale Lesney | 46 | Head | Salesman | Iowa |
| 49 | Blanche Lesney | 44 | Wife | — | Iowa |
| 50 | Mary Weiss | 73 | Head | — | Iowa |
| 51 | — | None | — | — | — |
| 52 | Guy R Buck | 33 | Head | — | New York |
| 53 | Mary B Buck | 33 | Wife | — | Vermont |
| 54 | Joseph P Kerrigan | 62 | Head | Brakeman | Iowa |
| 55 | Stella Kerrigan | 47 | Wife | Housework | Iowa |
| 56 | Phyllis Kerrigan | 28 | Daughter | — | Iowa |
| 57 | Lois Kerrigan | 23 | Daughter | — | Iowa |
| 58 | Helen Kerrigan | 19 | Daughter | — | Iowa |
| 59 | Alice Kerrigan | 17 | Daughter | — | Iowa |
| 60 | Marcus Kartzen | 72 | Head | — | Pennsylvania |
| 61 | Emma Kartzen | 64 | Wife | — | Ohio |
| 62 | Ben Provitt | 73 | Head | — | Holland |
| 63 | Myra Provitt | 73 | Wife | — | Illinois |
| 64 | Niel Norman | 58 | Lodger | Barber | Iowa |
| 65 | Richard Mckeague | 53 | Head | Printer | Iowa |
| 66 | Jessie Mckeague | 53 | Wife | — | Missouri |
| 67 | Pat H Lodge | 58 | Lodger | — | Iowa |
| 68 | Milton Grady Chalk | 45 | Lodger | Clerk | Missouri |
| 69 | Alice W Smith | 22 | Lodger | Teacher | Wisconsin |
| 70 | Canis Beck | 61 | Head | Collector | Missouri |
| 71 | Rosalee Beck | 60 | Wife | — | Missouri |
| 72 | Reta Beck | 38 | Daughter | Teacher | Missouri |
| 73 | Ruby Beck | 37 | Daughter | Teacher | Missouri |
| 74 | Walter Albrecht | 35 | Lodger | Carpenter | Iowa |
| 75 | John Sullivan | 56 | Head | Laborer | Iowa |
| 76 | Alice Sullivan THIS PERSON | 57 | Wife | — | Illinois |
| 77 | Mary Alice Sullivan | 23 | Daughter | Teacher | Iowa |
| 78 | C. W. Henry | 68 | Head | Sexton | Iowa |
| 79 | Lydia Widenrecht | 80 | Head | — | Iowa |
| 80 | Emma Whent | 71 | Head | — | Pennsylvania |
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)