RE
Robert Erickson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Robert Erickson across the 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Erickson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Denver City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Eric Erickson | Head | — | 65 | ~1875 |
| Joyce Erickson | Daughter | — | 2 | ~1938 |
| Carl Erickson | Son | — | 10 | ~1930 |
| Joan Erickson | Daughter | — | 4 | ~1936 |
| John Erickson | Son | — | 20 | ~1920 |
| William Erickson | Son | — | 16 | ~1924 |
| Josephine Erickson | Spouse | — | 36 | ~1904 |
| Robert Erickson | Son | — | 13 | ~1927 |
Census Appearances
1930
Denver, Colorado
Son, age 2
Denver, Colorado · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Nebraska |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 13
Denver-County, Colorado · implied b. ~1927 — 8 household members
| Surname | Erickson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 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 Robert Erickson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Erickson
Son · 1940 · age 13 · b. ~1927 · Colorado
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Sibling
John Erickson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Erickson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Erickson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Erickson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Erickson
Sibling · 1940 · age 10
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 — 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-t0627-00491-00543)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Miller R. Rushford | 66 | Head | — | Pennsylvania |
| 2 | Eric B. Erickson | 65 | Head | Mail Carrier | Sweden |
| 3 | Josephine Erickson | 36 | Wife | — | Tennessee |
| 4 | John Erickson | 20 | Son | — | Colorado |
| 5 | William Erickson | 16 | Son | — | Colorado |
| 6 | Robert Erickson THIS PERSON | 13 | Son | — | Colorado |
| 7 | Carl Erickson | 10 | Son | — | Colorado |
| 8 | Joan Erickson | 4 | Daughter | — | Colorado |
| 9 | Joyce Erickson | 2 | Daughter | — | Colorado |
| 10 | Juanita Hike | 51 | Head | Janitress | Mississippi |
| 11 | Russell Hike | 23 | Son | Metal | Colorado |
| 12 | Donald Hike | 21 | Son | Iron Worker | So. Dakota |
| 13 | Winifred Hike | 23 | Daughter | Waitress | Idaho |
| 14 | Beverly Jean Hike | 3 | Daughter | — | Colorado |
| 15 | Fisher Rogers | 47 | Head | Truck Driver | Texas |
| 16 | Brooke Rogers | 46 | Wife | Car Locker | Texas |
| 17 | David C. Campbell | 79 | Head | — | Kansas |
| 18 | Alice Shadey | 62 | Daughter | — | Colorado |
| 19 | Neil Train | 51 | Son-in-law | Salesman | Illinois |
| 20 | Bess Train | 45 | Daughter | — | Colorado |
| 21 | Gloria Train | 12 | Grand daughter | — | Colorado |
| 22 | Jean Train | 20 | Grand daughter | Canvasser | Pennsylvania |
| 23 | Carol J. Train | 12 | Grand daughter | — | Pennsylvania |
| 24 | Russell Lemley | 30 | Head | Mechanic | W. Virginia |
| 25 | Georgia Lemley | 28 | Wife | — | Colorado |
| 26 | Russell Jr. Lemley | 2 | Son | — | Colorado |
| 27 | Fred Meighan | 52 | Head | — | Arkansas |
| 28 | Johnie Lucero | 27 | Head | Labor | New Mexico |
| 29 | Celia Lucero | 21 | Wife | — | Colorado |
| 30 | Josephine Lucero | 3 | Daughter | — | Colorado |
| 31 | Hazel Stroberg | 34 | Head | — | Colorado |
| 32 | Bobby Stroberg | 16 | Son | New Worker | Colorado |
| 33 | William Stroberg | 15 | Son | — | Colorado |
| 34 | Freddie Stroberg | 13 | Son | — | Colorado |
| 35 | George Stroberg | 10 | Son | — | Colorado |
| 36 | Harvey Kissinger | 42 | Head | Labor | Missouri |
| 37 | May Kissinger | 44 | Wife | — | Kentucky |
| 38 | Charles Fouts | 49 | Head | Labor | Indiana |
| 39 | Lena Fouts | 42 | Wife | — | Nebraska |
| 40 | Hazel Fouts | 20 | Daughter | Mending Sacks | Colorado |
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)