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Lewis Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Lewis Brown across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Arthur & Letha — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Brown |
| Given Name | Lewis I. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City & Co. |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Clerk |
| Industry | Coffee Company |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Clerk |
| Township / Ward | Denver City Co |
| Est. Birth Year | ~1898 |
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 Lewis | Age | Birth yr |
|---|---|---|---|---|
| Lewis Brown | Head | — | 42 | ~1898 |
| Irving Brown | Son | — | 19 | ~1921 |
| Lillian Brown | Spouse | — | 42 | ~1898 |
Census Appearances
Son, age 21
Denver, Colorado · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Louis E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | Auto mechanic |
| Industry | Auto factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Head, age 32
Denver, Colorado · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lewis D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 20 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | Checking Clerk |
| Industry | Rail from |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Radio Set | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 42
Denver-County, Colorado · implied b. ~1898 — 3 household members
| Surname | Brown |
| Given Name | Lewis I. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City & Co. |
| 1935 Residence (County) | Denver |
| Occupation | Clerk |
| Industry | Coffee Company |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Lewis Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Brown (~0.92 confidence) and mother Letha Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Brown
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Letha Brown
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lewis Brown
Head · 1940 · age 42 · b. ~1898 · Colorado
★ 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00487-00220)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Miner, - Estabrook | 47 | Head | — | — |
| 42 | Estabrook | None | — | — | — |
| 43 | Estabrook | None | — | — | — |
| 44 | Herman F. Krueger | 58 | Head | Salesman | Nebraska |
| 45 | Clara E. Krueger | 58 | Wife | — | Nebraska |
| 46 | Joseph H. Sherman | 32 | Head | Doctor | Russia |
| 47 | Winona S. Sherman | 30 | Wife | — | Colorado |
| 48 | Felix C. Davis | 53 | Head | Shoemaker | Texas |
| 49 | Anna M. Davis | 47 | Wife | — | Illinois |
| 50 | Charles E. Thomas | 43 | Head | Meat Cutter | Nebraska |
| 51 | Martha J. Thomas | 48 | Wife | — | Nebraska |
| 52 | Jack Cook | 88 | Father | — | Nebraska |
| 53 | — | None | — | — | — |
| 54 | — | None | — | — | — |
| 55 | Wilber E. Brown | 70 | Head | Groceryman | Iowa |
| 56 | Lotta O. Brown | 64 | Wife | — | Missouri |
| 57 | Lewis I. Brown THIS PERSON | 42 | Head | Clerk | Colorado |
| 58 | Lillian L. Brown | 42 | Wife | — | Kentucky |
| 59 | Irving H. Brown | 19 | Son | Clerk | Colorado |
| 60 | Maurice Broshink | 47 | Head | Fruit Man | Kansas |
| 61 | Clara O. Broshink | 42 | Wife | — | Kansas |
| 62 | Philip Broshink | 15 | Son | — | Colorado |
| 63 | Robert Broshink | 8 | Son | — | Colorado |
| 64 | Maurine Broshink | 5 | Daughter | — | Colorado |
| 65 | William Gillies | 81 | Head | Miner | Scotland |
| 66 | Agnes O. Gillies | 75 | Wife | — | Scotland |
| 67 | Ike Gillies | 37 | Son | Meat Cutter | Wyoming |
| 68 | Ethel Gillies | 30 | Daughter | — | Colorado |
| 69 | James E. Sunderland | 48 | Head | Coffee Maker | Illinois |
| 70 | Alice L. Sunderland | 46 | Wife | — | Colorado |
| 71 | Dorothy L. Sunderland | 19 | Daughter | — | Colorado |
| 72 | James E. Jr. Sunderland | 15 | Son | — | Colorado |
| 73 | Robert A. Sunderland | 11 | Son | — | Colorado |
| 74 | Patricia Sunderland | 8 | Daughter | — | Colorado |
| 75 | Michael Mcdonough | 45 | Head | Plumbing Insp | Colorado |
| 76 | Rose M. Mcdonough | 40 | Wife | — | Colorado |
| 77 | Michael J. Mcdonough | 15 | Son | — | Colorado |
| 78 | Mary K. Mcdonough | 13 | Daughter | — | Colorado |
| 79 | Rosemary E. Mcdonough | 11 | Daughter | — | Colorado |
| 80 | Teresa M. Mcdonough | 10 | Daughter | — | Colorado |
Related Census Records
Pedigree Summary
Lewis
Gen 1 · 2 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)