TP
Thomas Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Johnson-County, Iowa
Our Model Tree links this Thomas Parker across the 1920, 1930 and 1940 US Censuses in Johnson-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 8-person household.
Age 46
b. ~1894
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Iowa |
| Surname | Parker |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Iowa City |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Occupation | Steamfitter |
| Industry | State Univ. |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 1700 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Steamfitter |
| Township / Ward | Iowa City |
| Est. Birth Year | ~1894 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Arline Parker | Daughter | — | 16 | ~1924 |
| Dorothy Parker | Daughter | — | 17 | ~1923 |
| Thomas Parker | Head | — | 46 | ~1894 |
| Maynard Parker | Son | — | 8 | ~1932 |
| Melvin Parker | Son | — | 18 | ~1922 |
| Virgil Parker | Son | — | 20 | ~1920 |
| Donald Parker | Son | — | 12 | ~1928 |
| Ethel Parker | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Johnson, Iowa
Head, age 25
Johnson, Iowa · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | T. J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Johnson, Iowa
Head, age 36
Johnson, Iowa · implied b. ~1894
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Parker |
| Given Name | T. J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 21 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | steam fitter |
| Industry | State of Iowa |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 25 |
| Home Value / Rent | R |
| Veteran | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Johnson-County, Iowa
Head, age 46
Johnson-County, Iowa · implied b. ~1894 — 8 household members
| Surname | Parker |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Iowa City |
| 1935 Residence (County) | Johnson |
| Occupation | Steamfitter |
| Industry | State Univ. |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 1700 |
| Highest Grade | No 8 |
| 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 Thomas Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Parker
Head · 1940 · age 46 · b. ~1894 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Johnson-County, Iowa
Open full size
1940 US Federal Census — Johnson-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01171-00581)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl L Harned | 45 | Head | Labor | Iowa |
| 42 | Ethel Harned | 30 | Wife | — | Iowa |
| 43 | Betty Lou Harned | 7 | Daughter | — | Iowa |
| 44 | Dale Harned | 5 | Son | — | Iowa |
| 45 | Andus P Malmberg | 72 | Head | — | Sweden |
| 46 | Emma Malmberg | 67 | Wife | — | Sweden |
| 47 | Vernon H Boldt | 34 | Head | Salesman | Iowa |
| 48 | Edith Boldt | 29 | Wife | — | Iowa |
| 49 | Henry Boldt | 6 | Son | — | Iowa |
| 50 | Randell Boldt | 4 | Son | — | Iowa |
| 51 | Rosanne Boldt | 2 | Daughter | — | Iowa |
| 52 | Blanche Boldt | 57 | Mother | Seamstress | Iowa |
| 53 | Thomas J. Parker THIS PERSON | 46 | Head | Steamfitter | Kansas |
| 54 | Ethel Parker | 44 | Wife | — | Iowa |
| 55 | Virgil E Parker | 20 | Son | — | Iowa |
| 56 | Melvin L. Parker | 18 | Son | Helper | Iowa |
| 57 | Dorothy J Parker | 17 | Daughter | — | Iowa |
| 58 | Arline Parker | 16 | Daughter | — | Iowa |
| 59 | Donald Parker | 12 | Son | — | Iowa |
| 60 | Maynard Parker | 8 | Son | — | Iowa |
| 61 | Maria Petrie | 55 | Head | Maid | Scotland |
| 62 | Anson Cox | 52 | Lodger | Carpenter | Iowa |
| 63 | Edwin Morley | 45 | Head | — | Iowa |
| 64 | Sophia Morley | 42 | Wife | — | Pennsylvania |
| 65 | Milton Stells | 39 | Head | Laborer | Iowa |
| 66 | Edith Stells | 42 | Wife | — | Iowa |
| 67 | Edwin Stells | 15 | Son | — | Iowa |
| 68 | Mardine Stells | 13 | Son | — | Iowa |
| 69 | Andrew Stells | 12 | Son | — | Iowa |
| 70 | Gordon Stells | 10 | Son | — | Iowa |
| 71 | Carman Greer | 51 | Head | Photographer | Illinois |
| 72 | Alberta Greer | 38 | Wife | — | Iowa |
| 73 | Mary Adamski | 17 | Stepdaughter | — | Iowa |
| 74 | Myron D Hooton | 64 | Head | Plasterer | Iowa |
| 75 | Dora S Hooton | 62 | Wife | — | Kansas |
| 76 | Noelene Hooton | 22 | Daughter | — | Iowa |
| 77 | Emory Hooton | 22 | Son in Law | Waiter | Kansas |
| 78 | Donnila Hooton | 2 | Granddaughter | — | Iowa |
| 79 | Wilda Hooton | 1 | Granddaughter | — | Iowa |
| 80 | Dorothy Chalmers | 52 | Head | Starcher | Missouri |
Related Census Records
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)