HJ
Harold Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crawford-County, Wisconsin
Our Model Tree links this Harold Jackson across the 1920, 1930 and 1940 US Censuses in Crawford-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Magnus & Oscar — first a son (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Wisconsin |
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Town of Bridgeport |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 70 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farm Laborer |
| Township / Ward | Town Of Bridgeport |
| Est. Birth Year | ~1911 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Minnie Jackson | Head | — | 72 | ~1868 |
| Harold Jackson | Son | — | 29 | ~1911 |
| Myrtle Jackson | Daughter | — | 40 | ~1900 |
| John Jackson | Son | — | 49 | ~1891 |
| Pearl Jackson | Daughter | — | 35 | ~1905 |
| William Jackson | Son | — | 44 | ~1896 |
Census Appearances
1920
Crawford, Wisconsin
Son, age 10
Crawford, Wisconsin · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Crawford, Wisconsin
Son, age 20
Crawford, Wisconsin · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Herald A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Crawford-County, Wisconsin
Son, age 29
Crawford-County, Wisconsin · implied b. ~1911 — 6 household members
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Town of Bridgeport |
| 1935 Residence (County) | Crawford |
| Occupation | Farm laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 70 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Harold Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Magnus Jackson (~0.92 confidence) and father Oscar Carl (~0.92 confidence) and mother Anna Jackson (~0.92 confidence) and mother Frances Carl (~0.92 confidence) and mother Minnie Jackson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Magnus Jackson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Oscar Carl
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Anna Jackson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Frances Carl
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Minnie Jackson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Jackson
Son · 1940 · age 29 · b. ~1911 · Wisconsin
★ You are viewing this record
Sibling
John Jackson
Sibling · 1940 · age 49
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Jackson
Sibling · 1940 · age 44
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Jackson
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Jackson
Sibling · 1940 · age 35
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 — Crawford-County, Wisconsin
Open full size
1940 US Federal Census — Crawford-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04467-00020)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Stuckey | 50 | Head | Farmer | Wisconsin |
| 2 | Lillian Stuckey | 42 | Wife | — | Wisconsin |
| 3 | Harlen Stuckey | 14 | Son | — | Wisconsin |
| 4 | Louise Stuckey | 11 | Daughter | — | Wisconsin |
| 5 | Helen Stuckey | 10 | Daughter | — | Wisconsin |
| 6 | Walter Stuckey | 47 | Head | Farmer | Wisconsin |
| 7 | Sarah Stuckey | 46 | Wife | — | Wisconsin |
| 8 | Dorothy Stuckey | 15 | Daughter | — | Wisconsin |
| 9 | Anna Stuckey | 78 | Head | — | Germany |
| 10 | Minnie Jackson | 72 | Head | — | Wisconsin |
| 11 | John Jackson | 49 | Son | Farm Laborer | Wisconsin |
| 12 | William Jackson | 44 | Son | Farm Laborer | Wisconsin |
| 13 | Myrtle Jackson | 40 | Daughter | — | Wisconsin |
| 14 | Pearl Jackson | 35 | Daughter | Weaver | Wisconsin |
| 15 | Harold Jackson THIS PERSON | 29 | Son | Farm Laborer | Wisconsin |
| 16 | Evan Bloyer | 39 | Head | Farmer | Wisconsin |
| 17 | Jeanette Bloyer | 36 | Wife | — | Wisconsin |
| 18 | Kenneth Bloyer | 12 | Son | — | Wisconsin |
| 19 | George Bloyer | 8 | Son | — | Wisconsin |
| 20 | Joyce Bloyer | 5 | Daughter | — | Wisconsin |
| 21 | Anna Kozelouzek | 49 | Head | — | Wisconsin |
| 22 | Bernadetta Kozelouzek | 23 | Daughter | — | Wisconsin |
| 23 | William Kozelouzek | 22 | Son | Plumber | Wisconsin |
| 24 | Andrew Kozelouzek | 21 | Son | Plumber | Wisconsin |
| 25 | Eleanora Kozelouzek | 19 | Daughter | — | Wisconsin |
| 26 | John Kozelouzek | 16 | Son | — | Wisconsin |
| 27 | Anna Rose Kozelouzek | 14 | Daughter | — | Wisconsin |
| 28 | Betty Jane Kozelouzek | 12 | Daughter | — | Wisconsin |
| 29 | Rose Mary Kozelouzek | 10 | Daughter | — | Wisconsin |
| 30 | Theresa Marie Kozelouzek | 8 | Daughter | — | Wisconsin |
| 31 | Carl Williams | 32 | Head | Farmer | Wisconsin |
| 32 | Laura Williams | 31 | Wife | — | Wisconsin |
| 33 | John Williams | 10 | Son | — | Wisconsin |
| 34 | Jean Williams | 8 | Daughter | — | Wisconsin |
| 35 | William Williams | 6 | Son | — | Wisconsin |
| 36 | Robert Williams | 4 | Son | — | Wisconsin |
| 37 | Burdette Williams | 2 | Daughter | — | Wisconsin |
| 38 | Patricia Ann Williams | 1 | Daughter | — | Wisconsin |
| 39 | Everett Moore | 46 | Head | Farmer | Wisconsin |
| 40 | Luella Moore | 37 | Wife | — | Wisconsin |
Pedigree Summary
Harold + 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)