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Lester Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montrose-County, Colorado
Our Model Tree links this Lester Williams across the 1910, 1920, 1930 and 1940 US Censuses in Montrose-County, Colorado (XGBoost, ~Confirmed), with identified parents Clarence & Laura — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montrose-County, Colorado |
| Surname | Williams |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 18 |
| 1935 Residence (County) | Montrose |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farmer |
| Township / Ward | Precinct 18 |
| Est. Birth Year | ~1907 |
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 Lester | Age | Birth yr |
|---|---|---|---|---|
| Lester Williams | Head | — | 33 | ~1907 |
| Carol Williams | Daughter | — | 4 | ~1936 |
| Nina Williams | Spouse | — | 28 | ~1912 |
Census Appearances
1910
Montrose, Colorado
Other, age 3
Montrose, Colorado · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lester J |
| Relationship to Head | Grand-Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Occupation | none |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Montrose, Colorado
Son, age 13
Montrose, Colorado · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lester J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Colorado |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Montrose, Colorado
Head, age 22
Montrose, Colorado · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 22 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Colorado |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Montrose-County, Colorado
Head, age 33
Montrose-County, Colorado · implied b. ~1907 — 3 household members
| Surname | Williams |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 18 |
| 1935 Residence (County) | Montrose |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 0 |
| Highest Grade | H-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 Lester Williams across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clarence Williams (~0.92 confidence) and mother Laura Williams (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clarence Williams
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Laura Williams
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lester Williams
Head · 1940 · age 33 · b. ~1907 · 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 — Montrose-County, Colorado
Open full size
1940 US Federal Census — Montrose-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00472-00381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Bird Hotchkiss | 50 | Head | Farmer | Colorado |
| 42 | T. H. Hull | 55 | Head | Farmer | Kansas |
| 43 | Alice Hull | 46 | Wife | — | Missouri |
| 44 | James R. Hull | 59 | Head | Farmer | Kansas |
| 45 | Howard Pritchard | 26 | Laborer | Farm Laborer | Colorado |
| 46 | William Russell | 31 | Head | Farm Laborer | Kentucky |
| 47 | Virginia Russell | 25 | Wife | — | Kansas |
| 48 | Lester Williams THIS PERSON | 33 | Head | Farmer | Colorado |
| 49 | Nina Williams | 28 | Wife | Farmer | Missouri |
| 50 | Carol Lee Williams | 4 | Daughter | — | Colorado |
| 51 | Mac Rocha | 45 | Head | Beet Laborer | Old Mexico |
| 52 | Frances Rocha | 38 | Wife | — | Old Mexico |
| 53 | Arthur Rocha | 15 | Son | Beet Laborer | Colorado |
| 54 | Robert Rocha | 14 | Son | — | Colorado |
| 55 | Armando Rocha | 10 | Son | — | Montana |
| 56 | Norman Rocha | 9 | Son | — | Montana |
| 57 | Ruddy Rocha | 8 | Son | — | Montana |
| 58 | Joe Rocha | 4 | Son | — | Montana |
| 59 | Ted Loera | 42 | Lodger | Laborer | Old Mexico |
| 60 | Harold Chick | 27 | Head | Laborer | Kansas |
| 61 | Pearl Chick | 27 | Wife | — | Kansas |
| 62 | Leona Chick | 6 | Daughter | — | Kansas |
| 63 | Donald Chick | 3 | Son | — | Colorado |
| 64 | Ruby Chick | 2 | Daughter | — | Colorado |
| 65 | Edgar Williams | 59 | Head | Farmer/Stockman | Kansas |
| 66 | Laura P. Williams | 55 | Wife | — | Colorado |
| 67 | Bert F. La Barr | 58 | Head | Farmer | Illinois |
| 68 | Myrtle S. La Barr | 51 | Wife | — | Kansas |
| 69 | Cecil E. La Barr | 34 | Son | Farm Laborer | Colorado |
| 70 | Guy A. Lamb | 53 | Head | Farmer | Kansas |
| 71 | Lillian M. Lamb | 50 | Wife | — | Oklahoma |
| 72 | Charles L. Lamb | 17 | Son | Farm Laborer | Canada |
| 73 | Patsy Lamb | 16 | Daughter | — | Minnesota |
| 74 | Lyle Mcrae | 43 | Head | Farm Laborer | Kansas |
| 75 | Florence P. Mcrae | 34 | Wife | Farm Laborer | Kansas |
| 76 | May Mcrae | 11 | Son | — | Kansas |
| 77 | Domenico Gamarra | 58 | Head | Farmer | Italy |
| 78 | Angeline Gamarra | 52 | Wife | — | Italy |
| 79 | Arthur Stryker | 52 | Head | Farmer | Kansas |
| 80 | Mary Stryker | 53 | Wife | — | Wisconsin |
Pedigree Summary
Lester
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)