JJ
James Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cherokee-County, Iowa
Our Model Tree links this James Jackson across the 1920, 1930 and 1940 US Censuses in Cherokee-County, Iowa (XGBoost, ~Confirmed), with identified parents Thomas & Andrew — first a son (b.~1900), then head of a 6-person household.
Age 40
b. ~1900
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cherokee-County, Iowa |
| Surname | Jackson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sheridan twp. |
| 1935 Residence (County) | Cherokee |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Sheridan Twp |
| Est. Birth Year | ~1900 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Andrew Jackson | Head | — | 65 | ~1875 |
| Mary Jackson | Other | — | 24 | ~1916 |
| James Jackson | Son | — | 40 | ~1900 |
| Charles Jackson | Son | — | 30 | ~1910 |
| Charles Jackson | Son | — | 34 | ~1906 |
| Catharine Jackson | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Cherokee, Iowa
Son, age 20
Cherokee, Iowa · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Canada |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cherokee, Iowa
Son, age 31
Cherokee, Iowa · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cherokee-County, Iowa
Son, age 40
Cherokee-County, Iowa · implied b. ~1900 — 6 household members
| Surname | Jackson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sheridan twp. |
| 1935 Residence (County) | Cherokee |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 James Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Jackson (~0.60 confidence) and father Andrew Jackson (~0.92 confidence) and father Theo Jackson (~0.92 confidence) and mother Catharine Jackson (~0.92 confidence) and mother Kate Jackson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Thomas Jackson
b. ~1895
Source father
● Household
· direct · ~0.6
Father
Andrew Jackson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Theo Jackson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Catharine Jackson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Kate Jackson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Jackson
Son · 1940 · age 40 · b. ~1900 · Iowa
★ You are viewing this record
Sibling
Charles Jackson
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jackson
Sibling · 1940 · age 34
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 — Cherokee-County, Iowa
Open full size
1940 US Federal Census — Cherokee-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01147-00486)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd Townsend | 30 | Head | Farmer | Iowa |
| 2 | Claire Townsend | 26 | Wife | — | Iowa |
| 3 | Ronald Townsend | 8 | Son | — | Iowa |
| 4 | Jo Ann Townsend | 5 | Daughter | — | Iowa |
| 5 | Jeanine Townsend | 3 | Daughter | — | Iowa |
| 6 | Glenn Waldstein | 20 | Hired Hand | Farm Laborer | Canada |
| 7 | John N. Jr. Bauer | 61 | Head | Farmer | Iowa |
| 8 | Stella Bauer | 54 | Wife | — | Iowa |
| 9 | Leona Mummert | 22 | Daughter | — | Iowa |
| 10 | Donald Mummert | 4 | Grandson | — | Iowa |
| 11 | Robert Mummert | 3 | Grandson | — | Iowa |
| 12 | Hans Hulpet | 60 | Head | Farmer | Iowa |
| 13 | Clarence M. Eischen | 32 | Head | Farmer | Iowa |
| 14 | Beryl Eischen | 32 | Wife | — | Iowa |
| 15 | Louis Bauer | 39 | Head | Farmer | Iowa |
| 16 | Elizabeth Bauer | 32 | Wife | — | Iowa |
| 17 | Geraldine Bauer | 11 | Daughter | — | Iowa |
| 18 | Vernon L. Bauer | 10 | Son | — | Iowa |
| 19 | Bernice Bauer | 9 | Daughter | — | Iowa |
| 20 | Dorothy Bauer | 8 | Daughter | — | Iowa |
| 21 | Alice Bauer | 5 | Daughter | — | Iowa |
| 22 | Harold L. Anderson | 30 | Head | Farmer | Iowa |
| 23 | Georgia Anderson | 22 | Wife | — | Iowa |
| 24 | Andrew Jackson | 65 | Head | Farmer | Iowa |
| 25 | Catharine Jackson | 61 | Wife | — | Iowa |
| 26 | James Jackson THIS PERSON | 40 | Son | Farm Laborer | Iowa |
| 27 | Charles Jackson | 34 | Son | Farmer | Iowa |
| 28 | Charles Jackson | 30 | Son | Farmer | Iowa |
| 29 | Mary Jackson | 24 | Daughter-in-law | — | Iowa |
| 30 | Peter Drennan | 61 | Head | Farmer | Iowa |
| 31 | Mary Drennan | 62 | Wife | — | Iowa |
| 32 | Daniel Drennan | 38 | Son | Farm Laborer | Iowa |
| 33 | Darrell Drennan | 21 | Son | Farm Laborer | Iowa |
| 34 | Charlene Dechter | 12 | Granddaughter | — | Iowa |
| 35 | Harold Linn | 35 | Head | Farm Laborer | Iowa |
| 36 | Ellen Linn | 21 | Wife | — | Iowa |
| 37 | Emil Olson | 61 | Head | Farmer | Sweden |
| 38 | Hilma Olson | 43 | Wife | — | Sweden |
| 39 | Robert Mattson | 16 | Hired Hand | Farm Laborer | California |
| 40 | George D. Buhrmann | 33 | Head | Farmer | Iowa |
Pedigree Summary
James + 2 siblings
Gen 1 · 5 parents
~0.86
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)