AA
Alfred Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Alfred Anderson across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Teunis & Minnie — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Anderson |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| Additional Details | |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1840 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Machinist |
| Township / Ward | Denver |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alfred | Age | Birth yr |
|---|---|---|---|---|
| Arlene Anderson | Daughter | — | 8 | ~1932 |
| Alfred Anderson | Head | — | 40 | ~1900 |
| Lowell Anderson | Son | — | 16 | ~1924 |
| Agnes Anderson | Spouse | — | 41 | ~1899 |
Census Appearances
Son, age 18
Denver, Colorado · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Axel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Wholesale Meat |
| 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 29
Denver, Colorado · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Almer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Steam railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 40
Denver-County, Colorado · implied b. ~1900 — 4 household members
| Surname | Anderson |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1840 |
| Highest Grade | No 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 Alfred Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Teunis Byl (~0.92 confidence) and mother Minnie Byl (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Teunis Byl
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Minnie Byl
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alfred Anderson
Head · 1940 · age 40 · b. ~1900 · 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-t0627-00484-00406)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy D. Bomer | 39 | Wife | — | Nebraska |
| 2 | Joan Bomer | 11 | Daughter | — | Nebraska |
| 3 | Lillie Bomer | 9 | Daughter | — | Nebraska |
| 4 | Edwin Bomer | 6 | Son | — | Nebraska |
| 5 | Paul Bomer | 2 | Son | — | Colorado |
| 6 | Francis Donlon | 38 | Head | Railroad Clerk | Iowa |
| 7 | Emma T. Donlon | 37 | Wife | — | Missouri |
| 8 | Frances Ann Donlon | 10 | Daughter | — | Colorado |
| 9 | Sara F. Haffner | 67 | Head | — | England |
| 10 | Elmer Hildreth | 65 | Head | — | Michigan |
| 11 | Amy D. Hildreth | 63 | Wife | Metal Polisher | Illinois |
| 12 | Floyd Hayes | 10 | Grandson | — | Colorado |
| 13 | Richard O. Roop | 48 | Head | Linotype | Missouri |
| 14 | Thelda M. D. Roop | 45 | Wife | — | Iowa |
| 15 | Katherine Roop | 21 | Daughter | — | Colorado |
| 16 | Donald E. Roop | 17 | Son | — | Colorado |
| 17 | Howard A. Roop | 15 | Son | — | Colorado |
| 18 | Phyllis G. Roop | 10 | Daughter | — | Colorado |
| 19 | Blanche D. Reunco | 52 | Head | Clerk | Kansas |
| 20 | Eillen Reunco | 24 | Daughter | Stockman | Colorado |
| 21 | Lawrence Reunco | 23 | Son | Labor | California |
| 22 | Lloyd Reunco | 22 | Son | — | California |
| 23 | Elizabeth Byrne | 83 | Mother | — | Michigan |
| 24 | Arthur Jacobs | 42 | Head | Coal Deliverer | Colorado |
| 25 | Becky Jane Jacobs | 42 | Wife | — | Colorado |
| 26 | Edwin A. Tage | 26 | Head | Salesman | Indiana |
| 27 | Esther T. R. Tage | 21 | Wife | — | Tennessee |
| 28 | Barbara Ann Tage | 1 | Daughter | — | Colorado |
| 29 | Elyse R. La Briola | 36 | Head | Produce | Colorado |
| 30 | Angeline La Briola | 27 | Wife | — | Colorado |
| 31 | Gerald La Briola | 9 | Son | — | Colorado |
| 32 | Louis La Briola | 5 | Son | — | Colorado |
| 33 | Jeannette S. Scott | 57 | Head | Kitchen Mechanic In Cafeteria | Michigan |
| 34 | Irwin Stiegelmeyer | 36 | Head | Clerk | Colorado |
| 35 | Mildred D. Stiegelmeyer | 33 | Wife | — | Colorado |
| 36 | Shirlee M. Stiegelmeyer | 10 | Daughter | — | Colorado |
| 37 | Alfred Anderson THIS PERSON | 40 | Head | Machinist | Colorado |
| 38 | Agnes R. Anderson | 41 | Wife | — | Nebraska |
| 39 | Lowell Anderson | 16 | Son | — | Colorado |
| 40 | Arlene Anderson | 8 | Daughter | — | Colorado |
Related Census Records
Pedigree Summary
Alfred
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)