CP
Clarence Parker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this Clarence Parker across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed), with identified parents Anna — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Parker |
| Given Name | Clarence H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Center Township |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farming |
| Township / Ward | Center Township |
| 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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Parker | Head | — | 40 | ~1900 |
| Anna Parker | Other | — | 74 | ~1866 |
| Marie Parker | Spouse | — | 28 | ~1912 |
| Arlene Parker | Daughter | — | 7 | ~1933 |
Census Appearances
1920
Dubuque, Iowa
Son, age 20
Dubuque, Iowa · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Clarence H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dubuque, Iowa
Head, age 30
Dubuque, Iowa · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Clarence H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | general farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Head, age 40
Dubuque-County, Iowa · implied b. ~1900 — 4 household members
| Surname | Parker |
| Given Name | Clarence H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Center Township |
| 1935 Residence (County) | Dubuque |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Parker (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Parker
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Parker
Head · 1940 · age 40 · b. ~1900 · 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 — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01158-00075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alex Lindecker | 51 | Head | Farming | Iowa |
| 42 | James E. Hutchcroft | 37 | Head | Farming | Wisconsin |
| 43 | Nora C. Hutchcroft | 28 | Wife | — | Iowa |
| 44 | Robert J. Hutchcroft | 7 | Son | — | Iowa |
| 45 | James M. Hutchcroft | 6 | Son | — | Iowa |
| 46 | Joan M. Hutchcroft | 5 | Daughter | — | Iowa |
| 47 | Daniel J. Hutchcroft | 2 | Son | — | Iowa |
| 48 | Lawrence Butlett | 62 | Head | Farming | Iowa |
| 49 | Caroline A. Butlett | 57 | Wife | — | Iowa |
| 50 | Henry L. Butlett | 22 | Son | Farming | Iowa |
| 51 | William J. Lewis | 12 | Lodger | — | Iowa |
| 52 | Clarence H. Parker THIS PERSON | 40 | Head | Farming | Iowa |
| 53 | Marie S. Parker | 28 | Wife | — | Iowa |
| 54 | Arlene M. Parker | 7 | Daughter | — | Iowa |
| 55 | Anna E. Parker | 74 | Mother | — | Iowa |
| 56 | Elmer P. Schmucker | 36 | Head | Farming | Iowa |
| 57 | Bernice L. Schmucker | 31 | Wife | — | Wisconsin |
| 58 | Roseline M. Schmucker | 13 | Daughter | — | Iowa |
| 59 | Melvin J. Schmucker | 9 | Son | — | Wisconsin |
| 60 | Anne Mae J. Schmucker | 6 | Daughter | — | Iowa |
| 61 | Robert Holmgreen | 52 | Head | Farming | Iowa |
| 62 | Louise R. Holmgreen | 49 | Wife | — | Iowa |
| 63 | Donald A. Holmgreen | 22 | Son | Laborer | Iowa |
| 64 | Betty M. Holmgreen | 20 | Daughter | — | Iowa |
| 65 | Robert J. Holmgreen | 13 | Son | — | Iowa |
| 66 | George H. Feltgutber | 57 | Head | Farming | Iowa |
| 67 | Anna S. Feltgutber | 54 | Wife | — | Iowa |
| 68 | Melvin S. Feltgutber | 18 | Son | Farming | Iowa |
| 69 | Gladys Masters | 27 | School Teacher | Teacher | Canada |
| 70 | Joseph Schadler | 57 | Head | Farming | Iowa |
| 71 | Anna M. Schadler | 54 | Wife | — | Iowa |
| 72 | Lester J. Schadler | 23 | Son | Laborer | Iowa |
| 73 | Jacob J. Pitt | 73 | Uncle | — | Iowa |
| 74 | Kaspar Pitt | 74 | Uncle | — | Iowa |
| 75 | Henry W. Bartels | 64 | Head | Farming | Iowa |
| 76 | Marion J. Bartels | 35 | Daughter | House Keeper | Iowa |
| 77 | Melvin J. Bartels | 22 | Son | Hired Hand | Iowa |
| 78 | Mildred E. Bartels | 20 | Daughter | House Keeper | Iowa |
| 79 | Albert Gremmels | 50 | Head | Farming | Iowa |
| 80 | Irma C. Gremmels | 42 | Wife | — | Iowa |
Related Census Records
Pedigree Summary
Clarence
Gen 1 · 1 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)