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Clarence Green — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Clarence Green across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Chase & Alice — first a head (b.~1888), then head of a 4-person household.
Age 52
b. ~1888
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Green |
| Given Name | Clarence C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Office-Engineer |
| Industry | City-Eng. Dept. |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 252 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Office-Engineer |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1888 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Robert Green | Son | — | 3 | ~1937 |
| Crystal Green | Spouse | — | 47 | ~1893 |
| Clarence Green | Head | — | 52 | ~1888 |
| Charles Green | Son | — | 8 | ~1932 |
Census Appearances
1920
Polk, Iowa
Son, age 32
Polk, Iowa · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Clarence C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Canada |
| Mother's Birthplace | Pennsylvania |
| Occupation | Civil Engineer |
| Industry | City |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Polk, Iowa
Head, age 42
Polk, Iowa · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Clarence C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 40 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Pennsylvania |
| Occupation | Office Engineer |
| Industry | Street Dept. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 70 |
| Radio Set | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Polk-County, Iowa
Head, age 52
Polk-County, Iowa · implied b. ~1888 — 4 household members
| Surname | Green |
| Given Name | Clarence C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Office-Engineer |
| Industry | City-Eng. Dept. |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 252 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Green across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chase Green (~0.92 confidence) and mother Alice Green (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chase Green
b. ~1847
Source father
● Household
· direct · ~0.92
Mother
Alice Green
b. ~1850
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Green
Head · 1940 · age 52 · b. ~1888 · Iowa
★ 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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01194-00235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | H. Albert Petersen | 38 | Head | Manager | Iowa |
| 2 | Angie Petersen | 36 | Wife | — | Kansas |
| 3 | Lester Petersen | 16 | Son | — | Iowa |
| 4 | Darlene Petersen | 10 | Daughter | — | Iowa |
| 5 | Billy Petersen | 2 | Son | — | Iowa |
| 6 | Isabel Lieser | 78 | Head | — | Iowa |
| 7 | Floyd Lieser | 48 | Son | Surveyor | Iowa |
| 8 | Florence Lieser | 42 | Daughter-in-law | — | Iowa |
| 9 | Maurice Miller | 57 | Head | Asst. Supt. Of Mails | Iowa |
| 10 | Mabel Miller | 50 | Wife | — | Iowa |
| 11 | Margaret Niess | 75 | Mother-in-law | — | Switzerland |
| 12 | Vera Niess | 43 | Sister-in-law | Bookkeeper | Iowa |
| 13 | Edel Niess | 45 | Sister-in-law | Nurse | South Dakota |
| 14 | John Niess | 17 | Nephew | — | Illinois |
| 15 | Harry E. Ransom | 53 | Head | Doctor | Wisconsin |
| 16 | Gladys Ransom | 40 | Wife | — | Iowa |
| 17 | James Ransom | 12 | Son | — | Iowa |
| 18 | Minnie T. Waldron | 57 | Head | — | Iowa |
| 19 | Helen T. Waldron | 22 | Daughter | — | Iowa |
| 20 | Charles P. Waldron | 20 | Son | Clerk | Iowa |
| 21 | Edward Kiely | 59 | Head | Book-Keeper | Iowa |
| 22 | Helen Kiely | 54 | Wife | — | Germany |
| 23 | Donald Stedwell | 31 | Head | Office-Manager | Iowa |
| 24 | Virginia Stedwell | 27 | Wife | — | Missouri |
| 25 | Diana Stedwell | 2 | Daughter | — | Iowa |
| 26 | Arthur Kenworthy | 72 | Head | — | Iowa |
| 27 | Rilla Kenworthy | 65 | Wife | — | Iowa |
| 28 | Ella Tucker | 89 | Mother-in-law | — | Iowa |
| 29 | Charles Phares | 48 | Head | Locomotive-Eng. | Iowa |
| 30 | Katherine Phares | 55 | Wife | — | South Dakota |
| 31 | Glenn Fromm | 36 | Head | Teacher | Iowa |
| 32 | Vera Fromm | 40 | Wife | — | Iowa |
| 33 | Donna Fromm | 5 | Daughter | — | Montana |
| 34 | Joseph Lines | 29 | Head | Market-Manager | Iowa |
| 35 | Lavona Lines | 24 | Wife | — | Michigan |
| 36 | Clarence C. Green THIS PERSON | 52 | Head | Office-Engineer | Kansas |
| 37 | Crystal C. Green | 47 | Wife | — | Iowa |
| 38 | Charles C. Green | 8 | Son | — | Iowa |
| 39 | Robert B. Green | 3 | Son | — | Iowa |
Pedigree Summary
Clarence
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)