WJ
Walter Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Walter Jackson across the 1910, 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Jackson |
| Given Name | Walter F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Salesman |
| Industry | Corn Mfg Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 2100 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Salesman |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1904 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Walter Jackson | Head | — | 36 | ~1904 |
| Jordan Jackson | Son | — | 12 | ~1928 |
| Kathryn Jackson | Spouse | — | 34 | ~1906 |
Census Appearances
1910
Polk, Iowa
Son, age 6
Polk, Iowa · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Eng-English |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Son, age 16
Polk, Iowa · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Occupation | Packer |
| Industry | Grocery Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Head, age 26
Polk, Iowa · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Occupation | Jobber |
| Industry | Auto Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 36
Polk-County, Iowa · implied b. ~1904 — 3 household members
| Surname | Jackson |
| Given Name | Walter F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Salesman |
| Industry | Corn Mfg Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 2100 |
| Highest Grade | Hs 2 |
| 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 Walter Jackson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Jackson (~0.92 confidence) and father Fred Jackson (~0.92 confidence) and mother Belle Jackson (~0.92 confidence) and mother Isabell Jackson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Jackson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Fred Jackson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Belle Jackson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Isabell Jackson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Jackson
Head · 1940 · age 36 · b. ~1904 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01197-00518)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pauline D Pittman | 20 | Wife | Office Clerk | Iowa |
| 2 | James E Kennard | 35 | Head | Truck Driver | Iowa |
| 3 | Katherine Kennard | 29 | Wife | — | Iowa |
| 4 | Donald Kennard | 9 | Son | — | Iowa |
| 5 | Doris White | 17 | Niece | — | Iowa |
| 6 | William Howe | 30 | Head | Laborer | Iowa |
| 7 | Ethyl D Howe | 27 | Wife | — | Iowa |
| 8 | Catherine Howe | 8 | Daughter | — | Iowa |
| 9 | Shirley Ann Howe | 4 | Daughter | — | Iowa |
| 10 | Elizabeth L Howe | 1 | Daughter | — | Iowa |
| 11 | Dalton D Rogh | 55 | Head | Typewriter Mech | New York |
| 12 | Julia Rogh | 57 | Wife | — | New York |
| 13 | James Rogh | 22 | Son | Messenger Clerk | Iowa |
| 14 | John Rogh | 16 | Son | Paper Boy | Iowa |
| 15 | Hanna S Berggren | 56 | Head | — | Sweden |
| 16 | Carl A Berggren | 27 | Son | Pin Boy (Bowling) | Iowa |
| 17 | Edwin Berggren | 25 | Son | Truck Driver | Iowa |
| 18 | Betty Berggren | 12 | Daughter | — | Iowa |
| 19 | Walter F Jackson THIS PERSON | 36 | Head | Salesman | Iowa |
| 20 | Kathryn D Jackson | 34 | Wife | — | Iowa |
| 21 | Jordan Lee Jackson | 12 | Son | — | Iowa |
| 22 | Sidney D Thomas | 45 | Head | Motorman | Iowa |
| 23 | Maude D Thomas | 33 | Wife | Saleslady | Iowa |
| 24 | Richard V Ballard | 13 | Son | — | Iowa |
| 25 | Carl Roach | 31 | Head | Tire Bagger | Illinois |
| 26 | Rosella D Roach | 27 | Wife | — | Iowa |
| 27 | George Hendricks | 50 | Lodger | Conductor | West Virginia |
| 28 | Lyle Mcrae | 66 | Head | Asphalt Layer | Illinois |
| 29 | Flora Mcrae | 28 | Daughter | Saleslady | Iowa |
| 30 | Flora B Quinn | 82 | Mother | — | Pennsylvania |
| 31 | Arthur Leiner | 31 | Head | Solderer | Iowa |
| 32 | Maude D Leiner | 28 | Wife | — | Iowa |
| 33 | Phyllis J Leiner | 4 | Daughter | — | Iowa |
| 34 | Joan Leiner | 1 | Daughter | — | Iowa |
| 35 | Ronald Doty | 30 | Head | Truck Driver | Iowa |
| 36 | Elizabeth D Doty | 28 | Wife | — | Iowa |
| 37 | Charlotte Doty | 8 | Daughter | — | Iowa |
| 38 | Connie Jo Doty | 1 | Daughter | — | Iowa |
| 39 | Virgil Story | 38 | Head | Tire Builder | Iowa |
| 40 | Opal D Story | 33 | Wife | Seamer | Missouri |
Pedigree Summary
Walter
Gen 1 · 4 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)