CP
Charles Pratt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Charles Pratt across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Lizzie & Thomas — first a head (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Pratt |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Plaster Laborer |
| Industry | Construction Company |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 600 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Plaster Laborer |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Willard Pratt | Son | — | 7 | ~1933 |
| Charles Pratt | Head | — | 31 | ~1909 |
| Thomas Pratt | Son | — | 2 | ~1938 |
| Walter Chivers | Other | — | 58 | ~1882 |
| Jack Pratt | Son | — | ~1940 | |
| Vera Pratt | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Polk, Iowa
Son, age 11
Polk, Iowa · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pratt |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 21
Polk, Iowa · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pratt |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 31
Polk-County, Iowa · implied b. ~1909 — 6 household members
| Surname | Pratt |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Plaster Laborer |
| Industry | Construction Company |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 600 |
| Highest Grade | Hs 1 |
| 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 Charles Pratt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Lizzie Pratt (~0.92 confidence) and father Thomas Pratt (~0.92 confidence) and mother Edna Pratt (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lizzie Pratt
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Thomas Pratt
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Edna Pratt
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Pratt
Head · 1940 · age 31 · b. ~1909 · 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
40 people indexed on this census page (nara:1940:m-t0627-01197-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John H. Plummer | 26 | Head | Printer | Iowa |
| 42 | Gwendolyn M. Plummer | 26 | Wife | — | Iowa |
| 43 | John S. Plummer | 0 | Son | — | Iowa |
| 44 | Caus Sample | 33 | Head | Butcher | Missouri |
| 45 | Bertha Sample | 30 | Wife | Looper | Iowa |
| 46 | Mary A. Sample | 10 | Daughter | — | Indiana |
| 47 | Billy J. Sample | 6 | Son | — | Iowa |
| 48 | Molly Lewis | 24 | Lodger | — | Iowa |
| 49 | Charles Pratt THIS PERSON | 31 | Head | Plaster Laborer | Iowa |
| 50 | Vera L. Pratt | 26 | Wife | — | Colorado |
| 51 | Willard Pratt | 7 | Son | — | Iowa |
| 52 | Thomas W. Pratt | 2 | Son | — | Iowa |
| 53 | Jack R. Pratt | 0 | Son | — | Iowa |
| 54 | Walter W. Chivers | 58 | Father in law | Plasterer | England |
| 55 | William R. Myers | 33 | Head | Truck Driver | Iowa |
| 56 | Aletha Myers | 33 | Wife | Clerk | Iowa |
| 57 | Velma M. Myers | 15 | Daughter | — | Iowa |
| 58 | Roland E. Nicholls | 30 | Head | Policeman | Iowa |
| 59 | Dorothy L. Nicholls | 28 | Wife | — | Iowa |
| 60 | Gary E. Nicholls | 5 | Son | — | Iowa |
| 61 | Joan S. Nicholls | 3 | Daughter | — | Iowa |
| 62 | Archie W. Halterman | 34 | Head | Foreman | Iowa |
| 63 | Lorriene L. Halterman | 32 | Wife | Assembly | Iowa |
| 64 | Bonnie M. Halterman | 11 | Daughter | — | Iowa |
| 65 | Mary G. Canoe | 68 | Head | — | Canada |
| 66 | Taylor W. Hossman | 41 | Son | Vender | Michigan |
| 67 | Ernest F. Mason | 51 | Lodger | — | Iowa |
| 68 | Rodney C. Gabriel | 69 | Head | Carpenter | Wisconsin |
| 69 | Ilee E. Gabriel | 68 | Wife | — | Iowa |
| 70 | Joseph P. Gabriel | 26 | Son | Salesman | Iowa |
| 71 | Lewis H. Tullis | 60 | Head | Maintenance Man | Iowa |
| 72 | Minnie Tullis | 52 | Wife | — | Illinois |
| 73 | George Frey | 42 | Head | Freight-Passgr Agent | Iowa |
| 74 | Jane M. Frey | 46 | Wife | Inspector | W. Dakota |
| 75 | Milton G. Frey | 23 | Son | — | Iowa |
| 76 | Ralph B. Mccullough | 44 | Head | Trolley Bus Operator | Iowa |
| 77 | Alice M. Mccullough | 42 | Wife | — | Illinois |
| 78 | Harold W. Mccullough | 20 | Son | Secretary | Iowa |
| 79 | Doris I. Mccullough | 17 | Daughter | — | Iowa |
| 80 | Phylander F. Van Drew | 36 | Head | Drafts Man | Iowa |
Pedigree Summary
Charles
Gen 1 · 3 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)