CR
Clarence Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Des-Moines-County, Iowa
Our Model Tree links this Clarence Robinson across the 1920, 1930 and 1940 US Censuses in Des-Moines-County, Iowa (XGBoost, ~Confirmed), with identified parents Clarence & Clarence — first a son (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Son
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Des-Moines-County, Iowa |
| Surname | Robinson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Burlington City |
| 1935 Residence (County) | Des Moines |
| Additional Details | |
| Occupation | Electrician |
| Industry | Modern Electric Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 240 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Electrician |
| Township / Ward | Burlington City |
| Est. Birth Year | ~1911 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Elland Robinson | Son | — | 19 | ~1921 |
| Clarence Robinson | Son | — | 29 | ~1911 |
| Clarence Robinson | Head | — | 62 | ~1878 |
| Donald Robinson | Son | — | 16 | ~1924 |
| Lucille Robinson | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Des Moines, …
Son, age 9
Des Moines, Iowa · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Clarence E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Des Moines, …
Son, age 19
Des Moines, Iowa · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Clarence Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Repair man |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Des-Moines-County, Iowa
Son, age 29
Des-Moines-County, Iowa · implied b. ~1911 — 5 household members
| Surname | Robinson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Burlington City |
| 1935 Residence (County) | Des Moines |
| Occupation | Electrician |
| Industry | Modern Electric Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 240 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Clarence Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clarence Robinson (~0.92 confidence) and father Clarence Robinson (~0.92 confidence) and father Elmer Robinson (~0.92 confidence) and mother Lucille Robinson (~0.92 confidence) and mother Lucille Robinson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clarence Robinson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Clarence Robinson
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Elmer Robinson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Lucille Robinson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Lucille Robinson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Robinson
Son · 1940 · age 29 · b. ~1911 · Iowa
★ You are viewing this record
Sibling
Elland Robinson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Robinson
Sibling · 1940 · age 16
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 — Des-Moines-County, Iowa
Open full size
1940 US Federal Census — Des-Moines-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01156-00410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma B. Hilleary | 70 | Head | — | Iowa |
| 2 | Laura Sutton | 48 | Daughter | — | Iowa |
| 3 | Elmer T. Sutton | 46 | Son-in-law | Insurance Salesman | Iowa |
| 4 | James E. Sutton | 10 | Grandson | — | Iowa |
| 5 | Flora E. Home | 77 | Head | — | Ohio |
| 6 | Hettie E. Swan | 73 | Head | — | Iowa |
| 7 | Phoebe L. Gould | 74 | Sister | — | Iowa |
| 8 | F. N. Wildsmith | 70 | Head | Barber | Illinois |
| 9 | Hettie J. Wildsmith | 68 | Wife | — | Kansas |
| 10 | Nellie P. Curran | 48 | Lodger | History Teacher | Iowa |
| 11 | Edward C. Dory | 70 | Head | Consulting Engineer | Germany |
| 12 | Johanna S. Dory | 71 | Wife | — | Illinois |
| 13 | Minnie Schier | 61 | Sister-in-law | — | Iowa |
| 14 | John D. Martin | 62 | Head | School Teacher | Illinois |
| 15 | Edith Martin | 66 | Sister | — | Illinois |
| 16 | Ruth Lee | 70 | Lodger | School Teacher | Iowa |
| 17 | Effie A. Heersh | 40 | Lodger | School Teacher | Iowa |
| 18 | Leo A. Walker | 51 | Head | Shoe Salesman | Iowa |
| 19 | Nina H. Walker | 42 | Wife | Saleswoman | Iowa |
| 20 | Betty Walker | 18 | Daughter | N.Y.A. | Iowa |
| 21 | Mildred Tackleson | 27 | Sister-in-law | — | Iowa |
| 22 | Charles A. Wiedman | 32 | Head | Broom-Maker | Iowa |
| 23 | Mabel Wiedman | 25 | Wife | — | Illinois |
| 24 | Daniel Wiedman | 1 | Son | — | Iowa |
| 25 | Ambrose B. Pfeffer | 40 | Lodger | Time-Study | Illinois |
| 26 | Clarence E. Robinson | 62 | Head | W.P.A. | Iowa |
| 27 | Lucille Robinson | 49 | Wife | — | Iowa |
| 28 | Elland Robinson | 19 | Son | — | Iowa |
| 29 | Donald Robinson | 16 | Son | — | Iowa |
| 30 | Clarence Robinson THIS PERSON | 29 | Son | Electrician | Iowa |
| 31 | H. O. Nylund | 66 | Head | Tailor | Sweden |
| 32 | Nellie M. Nylund | 55 | Wife | — | Sweden |
| 33 | Gilbert M. Engstrom | 35 | Head | Painter | Iowa |
| 34 | Elsie Engstrom | 37 | Wife | Machine Operator | Iowa |
| 35 | Elsie May Engstrom | 16 | Daughter | — | Nebraska |
| 36 | Walter Engstrom | 14 | Son | — | Nebraska |
| 37 | Leo C. Snyder | 33 | Head | Securities Salesman | Iowa |
| 38 | Anna E. Snyder | 34 | Wife | — | Iowa |
| 39 | Leo C. Snyder | 2 | Son | — | Iowa |
| 40 | Richard C. Snyder | 8 | Son | — | Iowa |
Pedigree Summary
Clarence + 2 siblings
Gen 1 · 5 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)