JP
James Powers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Black-Hawk-County, Iowa
Our Model Tree links this James Powers across the 1930 and 1940 US Censuses in Black-Hawk-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 9-person household.
Age 57
b. ~1883
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Black-Hawk-County, Iowa |
| Surname | Powers |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Chickasaw |
| Additional Details | |
| Occupation | Car repair man |
| Industry | Railroad Cars |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 334 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Car Repair Man |
| Township / Ward | Orange Twp |
| Est. Birth Year | ~1883 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Bernadette Powers | Daughter | — | 20 | ~1920 |
| Eileen Powers | Daughter | — | 22 | ~1918 |
| James Powers | Head | — | 57 | ~1883 |
| Ella Mcdonald | Other | — | 53 | ~1887 |
| John Powers | Son | — | 13 | ~1927 |
| Francis Powers | Son | — | 25 | ~1915 |
| Robert Powers | Son | — | 22 | ~1918 |
| Cyril Powers | Son | — | 18 | ~1922 |
| Ann Powers | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Black Hawk, …
Head, age 46
Black Hawk, Iowa · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 19 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Black-Hawk-County, Iowa
Head, age 57
Black-Hawk-County, Iowa · implied b. ~1883 — 9 household members
| Surname | Powers |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Chickasaw |
| Occupation | Car repair man |
| Industry | Railroad Cars |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 334 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 James Powers across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Powers
Head · 1940 · age 57 · b. ~1883 · 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 — Black-Hawk-County, Iowa
Open full size
1940 US Federal Census — Black-Hawk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01139-00641)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Miller | 24 | Head | — | Iowa |
| 42 | Lucille Miller | 24 | Wife | — | Iowa |
| 43 | James Miller | 7 | Son | — | Iowa |
| 44 | Sheldon Kaiser | 40 | Head | Farm Operator | Iowa |
| 45 | Elsie Kaiser | 39 | Wife | — | Iowa |
| 46 | Sheldon Bruce Kaiser | 15 | Son | Helper | Iowa |
| 47 | Mary Phyllis Kaiser | 14 | Daughter | — | Iowa |
| 48 | Norman Kaiser | 12 | Son | — | Iowa |
| 49 | Beverly Kaiser | 7 | Daughter | — | Iowa |
| 50 | Gladys Ayers | 41 | Head | Office Work | Iowa |
| 51 | Hendricks Lucinda Ayers | 15 | Maid | House Work | Iowa |
| 52 | By Mistake Vacant | None | — | — | — |
| 53 | Ernest Everling | 48 | Head | Farm Operator | Iowa |
| 54 | Kate Everling | 45 | Wife | — | Iowa |
| 55 | By Mistake Vacant | None | — | — | — |
| 56 | Claude F. Holthoff | 32 | Head | Farm Operator | Iowa |
| 57 | Teresa Holthoff | 33 | Wife | — | Kansas |
| 58 | Shirley Jean Holthoff | 8 | Daughter | — | Iowa |
| 59 | Janet Holthoff | 0 | Daughter | — | Iowa |
| 60 | James Powers THIS PERSON | 57 | Head | Car Repair Man | Illinois |
| 61 | Ann Powers | 51 | Wife | — | Iowa |
| 62 | Francis Powers | 25 | Son | Car Repair Man | Iowa |
| 63 | Robert Powers | 22 | Son | Car Repair Man | Iowa |
| 64 | Eileen Powers | 22 | Daughter | Bookkeeper | Iowa |
| 65 | Bernadette Powers | 20 | Daughter | Waitress | Iowa |
| 66 | Cyril Powers | 18 | Son | Beam Dept | Iowa |
| 67 | John Powers | 13 | Son | — | Iowa |
| 68 | Ella Mcdonald | 53 | Sister Law | — | Iowa |
| 69 | Rollin Smith | 65 | Head | Farm Operator | Iowa |
| 70 | Lila Smith | 59 | Wife | — | Pennsylvania |
| 71 | Richard Smith | 25 | Son | Carpenter | Iowa |
| 72 | Simon Taylor | 67 | Head | Farm Operator | Pennsylvania |
| 73 | Maggie Taylor | 64 | Wife | — | Pennsylvania |
| 74 | Glenn Taylor | 28 | Head | Laborer | Iowa |
| 75 | Vera Taylor | 27 | Wife | — | Iowa |
| 76 | Glenn Taylor | 2 | Son | — | Iowa |
| 77 | William O'Neill | 44 | Head | Farm Operator | Iowa |
| 78 | Lula O'Neill | 42 | Wife | — | Iowa |
| 79 | Betty O'Neill | 16 | Daughter | — | Iowa |
| 80 | Le Ray Gardner | 60 | Head | Farm Operator | Iowa |
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)