JP
James Pratt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this James Pratt across the 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Pratt |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Dubuque |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Dubuque |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Barbara Pratt | Daughter | — | 10 | ~1930 |
| John Pratt | Son | — | 21 | ~1919 |
| Shirley Pratt | Daughter | — | 15 | ~1925 |
| Robert Pratt | Son | — | 19 | ~1921 |
| James Pratt | Son | — | 12 | ~1928 |
| Elmer Pratt | Head | — | 45 | ~1895 |
| Jeanette Pratt | Daughter | — | 23 | ~1917 |
| Dolores Pratt | Daughter | — | 14 | ~1926 |
| William Pratt | Son | — | 17 | ~1923 |
| Virginia Pratt | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Dubuque, Iowa
Son, age 2
Dubuque, Iowa · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pritt |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Son, age 12
Dubuque-County, Iowa · implied b. ~1928 — 10 household members
| Surname | Pratt |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Dubuque |
| 1935 Residence (County) | Dubuque |
| Highest Grade | No 7 |
| 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 James Pratt across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Pratt
Son · 1940 · age 12 · b. ~1928 · Iowa
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Sibling
Dolores Pratt
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Pratt
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Pratt
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Pratt
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Pratt
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Pratt
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Pratt
Sibling · 1940 · age 23
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 — 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-t0627-01159-00174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irene Groce | 28 | Daughter | — | Iowa |
| 42 | Robert Bremer | 24 | Head | Dorem Worker | Illinois |
| 43 | Helen Bremer | 22 | Wife | — | Iowa |
| 44 | Robert Joseph Bremer | 0 | Son | — | Iowa |
| 45 | Harry Baker | 38 | Head | Mill Worker | Iowa |
| 46 | Margaret Baker | 34 | Wife | — | Iowa |
| 47 | Richard Baker | 14 | Son | — | Iowa |
| 48 | James Baker | 12 | Son | — | Iowa |
| 49 | Elaine Baker | 9 | Daughter | — | Iowa |
| 50 | Gerald Baker | 2 | Son | — | Iowa |
| 51 | Glenn H Hicks | 57 | Head | Manager | Michigan |
| 52 | Clara Hicks | 57 | Wife | — | Iowa |
| 53 | Roger Hicks | 15 | Son | — | Iowa |
| 54 | Ben F Monroe | 69 | Head | — | Missouri |
| 55 | Claudine Bertha Monroe | 65 | Maid | Maid | Germany |
| 56 | Andrew Strong | 61 | Head | Manager | Iowa |
| 57 | Catherine Strong | 59 | Wife | — | Iowa |
| 58 | Andrew D Strong | 18 | Son | — | Iowa |
| 59 | Kenneth Coleman | 36 | Son in law | Clerk | Iowa |
| 60 | Catherine Coleman | 30 | Daughter | — | Iowa |
| 61 | Richard Coleman | 4 | Son | — | Iowa |
| 62 | Barbara Coleman | 3 | Daughter | — | Iowa |
| 63 | John Dahmsier | Dahmeier | 33 | Head | Pattern Maker | Germany |
| 64 | Ruth Dahmsier | Dahmeier | 29 | Wife | — | Wisconsin |
| 65 | Christian L Van Dyke | 56 | Head | Owner Manager | Iowa |
| 66 | Martha A Van Dyke | 56 | Wife | — | Germany |
| 67 | Nicholas J Pitz | 68 | Head | — | Iowa |
| 68 | Anna Pitz | 61 | Wife | Maid | Iowa |
| 69 | Arthur Pitz | 38 | Son | Truck Driver | Iowa |
| 70 | Louise Pitz | 35 | Daughter | Waitress | Iowa |
| 71 | Elmer Pratt | 45 | Head | Fruit Dealer | Iowa |
| 72 | Virginia Pratt | 42 | Wife | — | Iowa |
| 73 | Jeanette Pratt | 23 | Daughter | Office Work | Iowa |
| 74 | John Pratt | 21 | Son | Salesman | Iowa |
| 75 | Robert Pratt | 19 | Son | Laborer | Iowa |
| 76 | William Pratt | 17 | Son | — | Iowa |
| 77 | Shirley Pratt | 15 | Daughter | — | Iowa |
| 78 | Dolores Pratt | 14 | Daughter | — | Iowa |
| 79 | James Pratt THIS PERSON | 12 | Son | — | Iowa |
| 80 | Barbara Pratt | 10 | Daughter | — | 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)