CS
Charles Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Iowa
Our Model Tree links this Charles Sullivan across the 1920, 1930 and 1940 US Censuses in Union-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Iowa |
| Surname | Sullivan |
| Given Name | Charles L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Sand Creek Twp |
| 1935 Residence (County) | Union County |
| Additional Details | |
| Occupation | Farmer |
| Industry | agriculture |
| Class of Worker | OA |
| Hours Worked | 75 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Sand Creek Twp |
| Est. Birth Year | ~1894 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Catherine Sullivan | Daughter | — | 15 | ~1925 |
| Margaret Sullivan | Daughter | — | 19 | ~1921 |
| Mary Sullivan | Daughter | — | 13 | ~1927 |
| Charles Sullivan | Head | — | 46 | ~1894 |
| Martin Sullivan | Son | — | 8 | ~1932 |
| Sadie Sullivan | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Union, Iowa
Head, age 26
Union, Iowa · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Union, Iowa
Head, age 36
Union, Iowa · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | Grain Stock |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $1000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Union-County, Iowa
Head, age 46
Union-County, Iowa · implied b. ~1894 — 6 household members
| Surname | Sullivan |
| Given Name | Charles L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Sand Creek Twp |
| 1935 Residence (County) | Union County |
| Occupation | Farmer |
| Industry | agriculture |
| Class of Worker | OA |
| Hours Worked | 75 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Charles Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Sullivan
Head · 1940 · age 46 · b. ~1894 · 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 — Union-County, Iowa
Open full size
1940 US Federal Census — Union-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01208-00420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth G. Henderson | 32 | Head | Farmer | Iowa |
| 2 | Helen E. Henderson | 34 | Wife | — | Iowa |
| 3 | Mabel M. Henderson | 2 | Daughter | — | Iowa |
| 4 | Chester H. Patty | 25 | Head | Farm Laborer | Missouri |
| 5 | Retta L. Patty | 29 | Wife | — | Missouri |
| 6 | Rosalie F. Patty | 8 | Daughter | — | Missouri |
| 7 | Vergil D. Roberts | 55 | Head | Farmer | Illinois |
| 8 | Mabel Roberts | 55 | Wife | — | Iowa |
| 9 | William A. Roberts | 68 | Brother | — | Illinois |
| 10 | James P. Kembery | 72 | Head | Farmer | Iowa |
| 11 | Glenora S. Kembery | 50 | Wife | — | Iowa |
| 12 | Ada M. Kembery | 25 | Daughter | Maid | Iowa |
| 13 | Prentis J. Kembery | 22 | Son | Fieldworker | Iowa |
| 14 | Lorraine M. Kembery | 19 | Daughter | — | Iowa |
| 15 | Grace D. Kembery | 18 | Daughter | — | Iowa |
| 16 | Dale L. Kembery | 17 | Son | — | Iowa |
| 17 | Lyle H. Kembery | 15 | Son | — | Iowa |
| 18 | Calmen F. Kembery | 13 | Daughter | — | Iowa |
| 19 | Gloria M. Kembery | 12 | Daughter | — | Iowa |
| 20 | Mary L. Kembery | 10 | Daughter | — | Iowa |
| 21 | Cullen W. Kembery | 8 | Son | — | Iowa |
| 22 | Edward E. Wilson | 67 | Head | Farmer | Illinois |
| 23 | Charles L. Sullivan THIS PERSON | 46 | Head | Farmer | Iowa |
| 24 | Sadie S. Sullivan | 42 | Wife | Stenographer | Iowa |
| 25 | Margaret E. Sullivan | 19 | Daughter | Stenographer | Iowa |
| 26 | Catherine L. Sullivan | 15 | Daughter | — | Iowa |
| 27 | Mary R. Sullivan | 13 | Daughter | — | Iowa |
| 28 | Martin W. Sullivan | 8 | Son | — | Iowa |
| 29 | John R. Mcelroy | 39 | Head | Farmer | Iowa |
| 30 | Mabel F. Mcelroy | 36 | Wife | — | Missouri |
| 31 | Robert M. Mcelroy | 9 | Son | — | Iowa |
| 32 | Evelyn J. Mcelroy | 6 | Daughter | — | Iowa |
| 33 | Mary J. Mcelroy | 77 | Mother | — | Missouri |
| 34 | Francis P. Mcelroy | 37 | Brother | Farmer | Iowa |
| 35 | Fred D. Werner | 66 | Head | Farmer | Iowa |
| 36 | Alice Werner | 65 | Wife | — | Illinois |
| 37 | Keith M. Werner | 23 | Son | Farmer | Iowa |
| 38 | Fred C. Henderson | 66 | Head | Farmer | Illinois |
| 39 | Nell L. Henderson | 65 | Wife | — | Illinois |
| 40 | Albert W. Sherman | 60 | Head | Farmer | Illinois |
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)