RL
Robert Lee — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Robert Lee across the 1910, 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Holden & Holden — first a head (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Lee |
| Given Name | Robert E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City & County |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Wholesale Meat |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Truck Driver |
| Township / Ward | Denver City County |
| Est. Birth Year | ~1905 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Virginia Lee | Daughter | — | 10 | ~1930 |
| Roberta Lee | Daughter | — | 6 | ~1934 |
| Robert Lee | Head | — | 35 | ~1905 |
| Hillard Asmussen | Other | — | 55 | ~1885 |
| Pearl Asmussen | Other | — | 54 | ~1886 |
| Cora Lee | Spouse | — | 29 | ~1911 |
Census Appearances
1910
Denver, Colorado
Son, age 5
Denver, Colorado · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nor-Norwegian |
| Mother's Birthplace | Maine |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Denver, Colorado
Son, age 15
Denver, Colorado · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Norway |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Head, age 25
Denver, Colorado · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Robert E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 23 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Maine |
| Occupation | Chauffer |
| Industry | Packing House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 35
Denver-County, Colorado · implied b. ~1905 — 6 household members
| Surname | Lee |
| Given Name | Robert E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City & County |
| 1935 Residence (County) | Denver |
| Occupation | Truck Driver |
| Industry | Wholesale Meat |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Robert Lee across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Holden Lee (~0.92 confidence) and father Holden Lee (~0.92 confidence) and mother May Lee (~0.92 confidence) and mother Ray Lee (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Holden Lee
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Holden Lee
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
May Lee
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Ray Lee
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lee
Head · 1940 · age 35 · b. ~1905 · 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-t0627-00493-00431)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry E. Johnson | 22 | Head | Salesman | Colorado |
| 2 | Helen I. Johnson | 22 | Wife | — | Colorado |
| 3 | Harry E. Jr. Johnson | 3 | Son | — | Colorado |
| 4 | Carl O. Wedin | 76 | Grandfather | — | Sweden |
| 5 | William G. Doubleday | 69 | Head | — | Scotland |
| 6 | Anne J. Doubleday | 62 | Wife | Housekeeper | Scotland |
| 7 | Robert E. Lee THIS PERSON | 35 | Head | Truck Driver | Colorado |
| 8 | Cora A. Lee | 29 | Wife | — | Colorado |
| 9 | Virginia M. Lee | 10 | Daughter | — | Colorado |
| 10 | Roberta R. Lee | 6 | Daughter | — | Colorado |
| 11 | Hillard H. Asmussen | 55 | Father-in-law | — | Colorado |
| 12 | Pearl B. Asmussen | 54 | Mother-in-law | Laundress At Home | Colorado |
| 13 | Edward M. Huffman | 64 | Head | Salesman | Illinois |
| 14 | Emily A. Huffman | 58 | Wife | Proprietor | Kansas |
| 15 | Earnest E. Bethe | 34 | Head | Fireman | Kansas |
| 16 | Dorothy L. Bethe | 32 | Wife | — | Kansas |
| 17 | Earnest E. Jr. Bethe | 9 | Son | — | Colorado |
| 18 | Dixie Mae Bethe | 8 | Daughter | — | Colorado |
| 19 | Elias Medina | 57 | Head | Pickle Maker | New Mexico |
| 20 | Nevies Medina | 61 | Wife | — | New Mexico |
| 21 | Dan Apodaca | 20 | Grandson | Truck Driver | Colorado |
| 22 | Holden M. Ree | 64 | Head | Assistant Custodian | Norway |
| 23 | Ray E. Ree | 68 | Wife | — | Maine |
| 24 | Harry E. Anderson | 36 | Head | Hog Butcher | Colorado |
| 25 | Estelle V. Anderson | 33 | Wife | — | Missouri |
| 26 | Constance Anderson | 11 | Daughter | — | Colorado |
| 27 | Mina Baker | 66 | Mother-in-law | Janitress | Missouri |
| 28 | Frederick D. Burnett | 30 | Head | Laborer | Missouri |
| 29 | Mary L. Burnett | 25 | Wife | — | Colorado |
| 30 | Celia A. Rode | 65 | Head | — | Ohio |
| 31 | Frank E. Lewis | 49 | Head | Auto Mechanic | Colorado |
| 32 | Frances Lewis | 48 | Wife | — | Colorado |
| 33 | Oscar E. Lewis | 7 | Son | — | Colorado |
| 34 | John Serra | 45 | Head | Laborer | Italy |
| 35 | Lucy M. Serra | 52 | Wife | — | Colorado |
| 36 | Harry A. Serra | 20 | Son | Carpenter Helper | Colorado |
| 37 | Harriet C. Serra | 20 | Daughter | New Worker | Colorado |
| 38 | Alice Rae Serra | 16 | Daughter | — | Colorado |
| 39 | Martin J. Timmerman | 74 | Head | — | Wisconsin |
| 40 | Mary E. Timmerman | 71 | Wife | — | Irish Free State |
Pedigree Summary
Robert
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)