EA
Eugene Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Weld-County, Colorado
Our Model Tree links this Eugene Anderson across the 1930 and 1940 US Censuses in Weld-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Weld-County, Colorado |
| Surname | Anderson |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | La Salle |
| 1935 Residence (County) | Weld |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 47 |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| Eugene Anderson | Son | — | 13 | ~1927 |
| Clarence Anderson | Head | — | 37 | ~1903 |
| Clarence Anderson | Son | — | 6 | ~1934 |
| Erma Anderson | Daughter | — | 12 | ~1928 |
| Betty Anderson | Daughter | — | 8 | ~1932 |
| Viola Anderson | Spouse | — | 31 | ~1909 |
| Mary Anderson | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Weld, Colorado
Son, age 2
Weld, Colorado · implied b. ~1928 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Eugene E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Weld-County, Colorado
Son, age 13
Weld-County, Colorado · implied b. ~1927 — 7 household members
| Surname | Anderson |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | La Salle |
| 1935 Residence (County) | Weld |
| Highest Grade | No 6 |
| 1935 Residence | Colorado |
| 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 Eugene Anderson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Eugene Anderson
Son · 1940 · age 13 · b. ~1927 · Colorado
★ You are viewing this record
Sibling
Mary Anderson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Anderson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Anderson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Erma Anderson
Sibling · 1940 · age 12
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 — Weld-County, Colorado
Open full size
1940 US Federal Census — Weld-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00481-00783)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Gormley | 6 | daughter | — | Colorado |
| 2 | Bobby Gormley | 4 | son | — | Colorado |
| 3 | Lorraine Gormley | 2 | daughter | — | Colorado |
| 4 | Lawrence Ramsey | 40 | Head | Principal | Oklahoma |
| 5 | Ruth Ramsey | 35 | Wife | — | Colorado |
| 6 | James Ramsey | 1 | son | — | Colorado |
| 7 | Annon Mae Hiatt | 21 | Head | Teacher | Iowa |
| 8 | Marzella Simpson | 21 | Lodger | Teacher | Missouri |
| 9 | Fred Arens | 62 | Head | County Commissioner | Indiana |
| 10 | Elsie Arens | 54 | Wife | — | Colorado |
| 11 | Fred Jr. Arens | 22 | son | Farmer | Colorado |
| 12 | Francis Arens | 20 | son | Farmer | Colorado |
| 13 | Grace Arens | 17 | daughter | — | Colorado |
| 14 | Clarence Anderson | 37 | Head | Road Maintainer | Colorado |
| 15 | Viola Anderson | 31 | Wife | — | Colorado |
| 16 | Eugene Anderson THIS PERSON | 13 | son | — | Colorado |
| 17 | Erma Anderson | 12 | daughter | — | Colorado |
| 18 | Betty Anderson | 8 | daughter | — | Colorado |
| 19 | Clarence Jr. Anderson | 6 | son | — | Colorado |
| 20 | Mary Ann Anderson | 4 | daughter | — | Colorado |
| 21 | William Kelley | 58 | Head | Farmer | Nebraska |
| 22 | Blanche Kelley | 50 | Wife | — | Wyoming |
| 23 | Aneta Sackman | 23 | daughter | — | Colorado |
| 24 | Lafie E. Chestnut | 47 | Head | Farmer | Colorado |
| 25 | Katie Chestnut | 48 | Wife | — | Colorado |
| 26 | Cora Chestnut | 23 | daughter | — | Colorado |
| 27 | Eva Grace Chestnut | 20 | daughter | — | Colorado |
| 28 | Frank E. Mccomb | 50 | Head | Farmer | Colorado |
| 29 | Hazel V. Mccomb | 47 | Wife | — | Colorado |
| 30 | Phyllis Mccomb | 21 | daughter | — | Colorado |
| 31 | Frank E. Jr. Mccomb | 8 | son | — | Colorado |
| 32 | Bertha Markel | 70 | Head | — | Nebraska |
| 33 | Judson Markel | 50 | son | Farmer | Nebraska |
| 34 | Jesse Kiefer | 59 | Head | Dairyman | Nebraska |
| 35 | Ceci Kiefer | 46 | Wife | — | Nebraska |
| 36 | Faith Kiefer | 22 | daughter | — | Colorado |
| 37 | James L. Procter | 29 | Head | Labourer Dairyman | Texas |
| 38 | Ruth Procter | 28 | Wife | — | Texas |
| 39 | James Jr. Procter | 5 | son | — | Texas |
| 40 | Patsy Procter | 2 | daughter | — | Texas |
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)