JH
John Hamilton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fremont-County, Colorado
Our Model Tree links this John Hamilton across the 1910, 1920, 1930 and 1940 US Censuses in Fremont-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 2-person household.
Age 82
b. ~1858
Male
Head
Born: Iowa
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Fremont-County, Colorado |
| Surname | Hamilton |
| Given Name | John O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Canon City |
| 1935 Residence (County) | Fremont |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Canon City |
| Est. Birth Year | ~1858 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Edith Hamilton | Daughter | — | 51 | ~1889 |
| John Hamilton | Head | — | 82 | ~1858 |
Census Appearances
1910
Fremont, Colorado
Head, age 51
Fremont, Colorado · implied b. ~1859 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 26 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | merchant clothing |
| Industry | R. |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Fremont, Colorado
Head, age 61
Fremont, Colorado · implied b. ~1859 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Ohio |
| Occupation | Merchant |
| Industry | Clothing Store |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Fremont, Colorado
Head, age 72
Fremont, Colorado · implied b. ~1858 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | Ohio |
| Occupation | Merchant |
| Industry | Clothing Store |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8000 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Fremont-County, Colorado
Head, age 82
Fremont-County, Colorado · implied b. ~1858 — 2 household members
| Surname | Hamilton |
| Given Name | John O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Canon City |
| 1935 Residence (County) | Fremont |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 John Hamilton across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hamilton
Head · 1940 · age 82 · b. ~1858 · Colorado
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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 — Fremont-County, Colorado
Open full size
1940 US Federal Census — Fremont-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00463-00092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Claire Moreland | 9 | daughter | — | Colorado |
| 2 | Horace B. Moreland | 67 | Head | Night Captain | Kentucky |
| 3 | Katherine Moreland | 64 | wife | — | Missouri |
| 4 | Leo A. Moreland | 34 | Head | Quarry Worker | Colorado |
| 5 | Blanche B. Moreland | 30 | wife | — | Utah |
| 6 | Thomas J. Moreland | 10 | son | — | Colorado |
| 7 | Darlene Moreland | 6 | daughter | — | Colorado |
| 8 | John O. Hamilton THIS PERSON | 82 | Head | — | Iowa |
| 9 | Edith Hamilton | 51 | daughter | Teacher | Kansas |
| 10 | Alice Mcmillan | 79 | Head | — | Illinois |
| 11 | Sadie Mcmillan | 73 | sister | — | Illinois |
| 12 | Pearl Romig | 40 | Head | Music Teacher | Kansas |
| 13 | Florence H. Foster | 51 | Head | Seamstress | Missouri |
| 14 | Robert E. Foster | 17 | son | — | Colorado |
| 15 | Ida M. Middlemiss | 72 | Head | — | New York |
| 16 | Ben P. Melormick|Mccormick | 59 | Head | — | Kentucky |
| 17 | Anna Melormick|Mccormick | 57 | wife | — | Wisconsin |
| 18 | Ella Dale Fong | 81 | Head | — | Vermont |
| 19 | Sarah Lalgure|Lalguire | 78 | Head | — | Illinois |
| 20 | Otis M. Bailey | 86 | Head | — | Iowa |
| 21 | Elizabeth Fenbrecke|Tenbrecke | 90 | Head | — | New Jersey |
| 22 | Mary M. Young | 76 | Head | — | Illinois |
| 23 | Elizabeth Kimbler | 36 | Head | — | Oklahoma |
| 24 | Louise Kimbler | 12 | daughter | — | Kansas |
| 25 | Max Ray Kimbler | 1 | son | — | Colorado |
| 26 | Margaret Mcclain | 22 | Head | — | Arkansas |
| 27 | Hugo J. Pokorny | 42 | Head | Carpenter'S Helper | Kansas |
| 28 | Doris Pokorny | 37 | wife | — | England |
| 29 | Mary Ann Pokorny | 18 | daughter | — | Colorado |
| 30 | Magdalena Meyer | 87 | Head | — | Germany |
| 31 | Joseph Meyer | 65 | son | Miner | Michigan |
| 32 | Delphi M. Maschinet | 39 | Head | — | New Mexico |
| 33 | Marie E. Maschinet | 11 | daughter | — | New Mexico |
| 34 | Barbara Maschinet | 10 | daughter | — | Colorado |
| 35 | Gertrude Maschinet | 9 | daughter | — | Colorado |
| 36 | Mary K. Maschinet | 7 | daughter | — | Colorado |
| 37 | Joan Maschinet | 7 | daughter | — | Colorado |
| 38 | Joseph Maschinet | 6 | son | — | Colorado |
| 39 | Paul Maschinet | 4 | son | — | Colorado |
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)