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Kenneth Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Kenneth Brown across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Albert & Albert — first a son (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Brown |
| Given Name | Kenneth L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Laborer |
| Industry | Packing Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1412 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1912 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Mildred Brown | Daughter | — | 17 | ~1923 |
| Albert Brown | Head | — | 57 | ~1883 |
| Kenneth Brown | Other | — | 5 | ~1935 |
| Kenneth Brown | Son | — | 28 | ~1912 |
| Pearl Brown | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Polk, Iowa
Son, age 8
Polk, Iowa · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Kenneth L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 19
Polk, Iowa · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Kenneth L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Packing Clerk |
| Industry | Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 28
Polk-County, Iowa · implied b. ~1912 — 5 household members
| Surname | Brown |
| Given Name | Kenneth L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Laborer |
| Industry | Packing Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1412 |
| 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 Kenneth Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Brown (~0.92 confidence) and father Albert Brown (~0.92 confidence) and father Albert Brown (~0.92 confidence) and mother Pearl Brown (~0.92 confidence) and mother Pearl Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Brown
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Albert Brown
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Albert Brown
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Pearl Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Pearl Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Brown
Son · 1940 · age 28 · b. ~1912 · Iowa
★ You are viewing this record
Sibling
Mildred Brown
Sibling · 1940 · age 17
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 — 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-t0627-01195-00997)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Scalise | 52 | Wife | — | Missouri |
| 42 | Norbert Scalise | 9 | Son | — | Nebraska |
| 43 | Wyatt Halliday | 39 | Head | Mechanic | Iowa |
| 44 | Anna Halliday | 35 | Wife | — | Iowa |
| 45 | Wyatt Jr. Halliday | 15 | Son | — | Iowa |
| 46 | Betty Halliday | 14 | Daughter | — | Iowa |
| 47 | Floyd Cofie | 50 | Head | Bricklayer | Iowa |
| 48 | Edith Cofie | 50 | Wife | — | Iowa |
| 49 | Floyd Cofie | 23 | Son | Foreman | Iowa |
| 50 | Leslie Cofie | 19 | Son | — | Iowa |
| 51 | Lester Cofie | 17 | Son | — | Iowa |
| 52 | James Mcguire | 46 | Head | Tax Accountant | Iowa |
| 53 | Mary Mcguire | 36 | Wife | — | Iowa |
| 54 | Mary Theresa Mcguire | 12 | Daughter | — | Iowa |
| 55 | Julia Mcguire | 6 | Daughter | — | Iowa |
| 56 | Redda Anna Mcguire | 5 | Daughter | — | Iowa |
| 57 | John E. Mcguire | 42 | Brother | Bondsman | Iowa |
| 58 | Paul Harvey | 53 | Head | — | Iowa |
| 59 | Julia Harvey | 52 | Wife | — | Iowa |
| 60 | Thomas Wolver | 42 | Head | — | Iowa |
| 61 | George Wolver | 41 | Son | Mechanic | Iowa |
| 62 | John Wolver | 40 | Son | Watchman | Iowa |
| 63 | Bessie Wolver | 32 | Daughter | — | Missouri |
| 64 | Effie Larson | 45 | Daughter | Seamstress | Iowa |
| 65 | Adeline Larson | 20 | Granddaughter | Clerical | Iowa |
| 66 | Mary Uhlner | 75 | Mother-in-law | — | Canada |
| 67 | Mary Ella Dorsey | 70 | Head | — | Ohio |
| 68 | Guy L. Gray | 46 | Son | Laborer | Iowa |
| 69 | Albert A. Brown | 57 | Head | Apiarist | Iowa |
| 70 | Pearl A. Brown | 54 | Wife | — | Iowa |
| 71 | Mildred Brown | 17 | Daughter | — | Iowa |
| 72 | Kenneth L. Brown THIS PERSON | 28 | Son | Laborer | Iowa |
| 73 | Kenneth L. Jr. Brown | 5 | Grandson | — | Iowa |
| 74 | Settina Pasi | 70 | Head | — | Austria |
| 75 | Safira Pasi | 68 | Wife | — | Austria |
| 76 | Pasquale Scarpino | 65 | Lodger | — | Italy |
| 77 | Rosa Vita | 57 | Head | — | Italy |
| 78 | Pete Vita | 26 | Son | Section Hand | Iowa |
| 79 | Theresa Vita | 20 | Daughter | Stenographer | Iowa |
| 80 | Victoria Vita | 18 | Daughter | Seamstress | Iowa |
Pedigree Summary
Kenneth + 1 sibling
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)