HR
Harold Roberts — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lake-County, Colorado
Our Model Tree links this Harold Roberts across the 1920, 1930 and 1940 US Censuses in Lake-County, Colorado (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Colorado |
| Surname | Roberts |
| Given Name | Harold E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Leadville |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 210 |
| Highest Grade | C 1 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Bookkeeper |
| Township / Ward | Leadville |
| Est. Birth Year | ~1918 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| John Roberts | Head | — | 49 | ~1891 |
| Harold Roberts | Son | — | 22 | ~1918 |
| Murrill Roberts | Son | — | 19 | ~1921 |
| Bertha Roberts | Spouse | — | 45 | ~1895 |
| Jack Roberts | Son | — | 21 | ~1919 |
Census Appearances
1920
Lake, Colorado
Son, age 2
Lake, Colorado · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Virginia |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Lake, Colorado
Son, age 12
Lake, Colorado · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Lake-County, Colorado
Son, age 22
Lake-County, Colorado · implied b. ~1918 — 5 household members
| Surname | Roberts |
| Given Name | Harold E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Leadville |
| 1935 Residence (County) | Lake |
| Occupation | Bookkeeper |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 210 |
| Highest Grade | C 1 |
| 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 Harold Roberts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Roberts (~0.92 confidence) and father John Roberts (~0.92 confidence) and mother Bertha Roberts (~0.92 confidence) and mother Bertha Roberts (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Roberts
b. ~1891
Source father
● Household
· direct · ~0.92
Father
John Roberts
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Bertha Roberts
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Bertha Roberts
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Roberts
Son · 1940 · age 22 · b. ~1918 · Colorado
★ You are viewing this record
Sibling
Murrill Roberts
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Roberts
Sibling · 1940 · age 21
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 — Lake-County, Colorado
Open full size
1940 US Federal Census — Lake-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00466-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary E Harris | 57 | Wife | — | England |
| 42 | Martineau Harris | 25 | Daughter | Seamstress | Colorado |
| 43 | Frank J Goris | 25 | Head | Laborer | Colorado |
| 44 | Raechel M Goris | 27 | Wife | — | Iowa |
| 45 | John Roberts | 49 | Head | Lessee | Colorado |
| 46 | Bertha Q Roberts | 45 | Wife | Saleswoman | Virginia |
| 47 | Harold E Roberts THIS PERSON | 22 | Son | Bookkeeper | Colorado |
| 48 | Jack L Roberts | 21 | Son | — | Colorado |
| 49 | Murrill Roberts | 19 | Son | — | Colorado |
| 50 | Charles M Murrill | 79 | Head | — | Virginia |
| 51 | Sarah A Murrill | 70 | Wife | — | Nova Scotia |
| 52 | Sarah Mcmorris | 59 | Head | Saleswoman | Michigan |
| 53 | Vincent J Mcmorris | 31 | Son | Salesman | Colorado |
| 54 | Jean A Johnson | 10 | Granddaughter | — | Colorado |
| 55 | Walter E Finley | 52 | Head | Butcher | Oklahoma |
| 56 | Myrtle M Finley | 44 | Wife | — | Colorado |
| 57 | Frank E Brown | 74 | Head | Proprietor | Massachusetts |
| 58 | Cecil T Brown | 56 | Wife | Bookkeeper | Missouri |
| 59 | Elmer Panstian | 28 | Head | Miner | Nebraska |
| 60 | Viola Panstian | 38 | Wife | — | Nebraska |
| 61 | Elaine M Morse | 13 | Step-daughter | — | Nebraska |
| 62 | James H Road | 38 | Head | Proprietor | Illinois |
| 63 | Edith B Road | 38 | Wife | — | Illinois |
| 64 | La Verne Road | 18 | Son | — | Illinois |
| 65 | Velta M Road | 17 | Daughter | — | Illinois |
| 66 | Lowell A Brown | 38 | Head | Attendant | Missouri |
| 67 | Ruth E Brown | 32 | Wife | — | Oklahoma |
| 68 | Carol H Brown | 7 | Daughter | — | Colorado |
| 69 | Henry Zeiler | 68 | Head | — | Russia |
| 70 | Katie M Zeiler | 60 | Wife | Housekeeper | Russia |
| 71 | William H Zeiler | 20 | Son | New Worker | Colorado |
| 72 | William H Childress | 39 | Lodger | Laborer | Missouri |
| 73 | Albert E Smith | 27 | Lodger | Carpenter | Nebraska |
| 74 | Charles A Verant | 48 | Lodger | Laborer | Yugoslavia |
| 75 | Antony J Krause | 33 | Lodger | Miner | Wisconsin |
| 76 | George H Nicholson | 35 | Lodger | Machinist | Colorado |
| 77 | Harry A Rayfield | 62 | Head | Locomotive Engineer | Nebraska |
| 78 | Florence A Rayfield | 62 | Wife | — | Ohio |
| 79 | Stanley Tomaick | 23 | Head | Miner | Colorado |
| 80 | Gladys J Tomaick | 20 | Wife | — | Colorado |
Pedigree Summary
Harold + 2 siblings
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)