JC
John Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morgan-County, Colorado
Our Model Tree links this John Chapman across the 1920, 1930 and 1940 US Censuses in Morgan-County, Colorado (XGBoost, ~Confirmed), with identified parents William & Ellen — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Morgan-County, Colorado |
| Surname | Chapman |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Hoyt town |
| 1935 Residence (County) | Morgan |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farmer |
| Township / Ward | Hoyt Town |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Chapman | Head | — | 32 | ~1908 |
| Ellen Chapman | Other | — | 64 | ~1876 |
| Bryant Chapman | Other | — | 36 | ~1904 |
| James Chapman | Son | — | 2 | ~1938 |
| Mona Chapman | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Morgan, Colorado
Son, age 12
Morgan, Colorado · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Morgan, Colorado
Son, age 21
Morgan, Colorado · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Morgan-County, Colorado
Head, age 32
Morgan-County, Colorado · implied b. ~1908 — 5 household members
| Surname | Chapman |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Hoyt town |
| 1935 Residence (County) | Morgan |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 John Chapman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Chapman (~0.92 confidence) and mother Ellen Chapman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Chapman
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Ellen Chapman
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Chapman
Head · 1940 · age 32 · b. ~1908 · Colorado
★ 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 — Morgan-County, Colorado
Open full size
1940 US Federal Census — Morgan-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00472-01013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John R. Rawlings | 59 | Brother | — | Illinois |
| 2 | Schaefer, Wilbur C. Hargen | 51 | Head | Farmer | Colorado |
| 3 | Alice M. Hargen | 51 | Wife | — | Kansas |
| 4 | C. Manning Hargen | 18 | Son | — | Colorado |
| 5 | Shirley M. Hargen | 16 | Daughter | — | Colorado |
| 6 | Lee Murray Hargen | 9 | Son | — | Colorado |
| 7 | Chaplin, John D. Cashler | 29 | Head | Farm Laborer | Missouri |
| 8 | Viola L. Cashler | 23 | Wife | — | Colorado |
| 9 | Herald Le Roy Cashler | 5 | Son | — | Colorado |
| 10 | John H. Hinton | 57 | Head | Farmer | Kansas |
| 11 | Sadie J. M. Hinton | 36 | Wife | — | Kansas |
| 12 | Bert O. Hinton | 60 | Brother | Farmer | Kansas |
| 13 | Jas. E. Hogan | 70 | Head | — | Colorado |
| 14 | Anna B. Hogan | 50 | Wife | — | Nebraska |
| 15 | Donald K. Hogan | 19 | Son | Farm Laborer | Colorado |
| 16 | Robert E. Hogan | 16 | Son | — | Colorado |
| 17 | George W. Hogan | 13 | Son | — | Colorado |
| 18 | Virginia E. Hogan | 11 | Daughter | — | Colorado |
| 19 | Bernard A. Helget | 32 | Head | Farmer | Nebraska |
| 20 | Elizabeth R. Helget | 28 | Wife | — | Kansas |
| 21 | Estelle Jo. Helget | 1 | Daughter | — | Colorado |
| 22 | Keller, Elaine Helget | 19 | Sister-in-law | — | Kansas |
| 23 | Sharon E. Helget | 1 | Niece | — | Colorado |
| 24 | James D. Hegarty | 52 | Head | Farmer | Ireland |
| 25 | Berg, Christina Hegarty | 60 | Boarder | — | Norway |
| 26 | Neville, Lester Hegarty | 31 | Hired hand | Farm Laborer | Kansas |
| 27 | Mendenhall, Virgil Hegarty | 31 | Hired hand | Farm Laborer | Nebraska |
| 28 | Thos. M. Powell | 71 | Head | Rancher | Colorado |
| 29 | Anna E. Powell | 63 | Wife | — | Pennsylvania |
| 30 | John W. Chapman THIS PERSON | 32 | Head | Farmer | Colorado |
| 31 | Mona E. Chapman | 30 | Wife | — | Kansas |
| 32 | James Wm. Chapman | 2 | Son | — | Colorado |
| 33 | Ellen R. Chapman | 64 | Mother | — | Kansas |
| 34 | Bryant, Herschel Chapman | 36 | Brother-in-law | Farm Laborer | Kansas |
| 35 | Jake Baumgartner | 27 | Head | Farmer | Colorado |
| 36 | Esther Baumgartner | 22 | Wife | — | Colorado |
| 37 | Larry D. Baumgartner | 1 | Son | — | Colorado |
| 38 | Dale D. Baumgartner | 32 | Brother | Farmer | Colorado |
| 39 | Pauline Baumgartner | 28 | Wife | — | Russia |
| 40 | Donald Baumgartner | 10 | Son | — | Colorado |
Pedigree Summary
John
Gen 1 · 2 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)