JC
John Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this John Caldwell across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Caldwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 1650 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Carpenter |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1889 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Caldwell | Daughter | — | 16 | ~1924 |
| John Caldwell | Head | — | 51 | ~1889 |
| David Caldwell | Son | — | 23 | ~1917 |
| Katherine Caldwell | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Cuyahoga, Ohio
Head, age 32
Cuyahoga, Ohio · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1912 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Carpenter |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Cuyahoga, Ohio
Head, age 41
Cuyahoga, Ohio · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1914 |
| Age at First Marriage | 25 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Cuyahoga-County, Ohio
Head, age 51
Cuyahoga-County, Ohio · implied b. ~1889 — 4 household members
| Surname | Caldwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Naturalization Status | Naturalized |
| Occupation | Carpenter |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 1650 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Caldwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Caldwell
Head · 1940 · age 51 · b. ~1889 · Ohio
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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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03227-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Dittrick | 69 | Head | Statistician | New York |
| 2 | Agnes D Dittrick | 64 | Wife | Florist | New York |
| 3 | Florence Dittrick | 41 | Daughter | Medical Inspector | Ohio |
| 4 | Howard G. Reid | 35 | Head | Teacher | Maine |
| 5 | Nancy B. Reid | 35 | Wife | — | Ohio |
| 6 | Cynthia Ann Reid | 2 | Daughter | — | Ohio |
| 7 | Joseph Harlow | 63 | Head | Blacksmith | Hungary |
| 8 | Emily O Harlow | 51 | Wife | — | Ohio |
| 9 | Alice Harlow | 18 | Daughter | — | Ohio |
| 10 | Joseph Harlow | 16 | Son | — | Ohio |
| 11 | Mathilda B. Buckner | 65 | Head | — | Germany |
| 12 | Thomas F. Buckner | 36 | Son | Machinist | Ohio |
| 13 | Benjamin Buckner | 34 | Son | Paper Hanger | Ohio |
| 14 | Joseph Buckner | 33 | Son | Office Boy | Ohio |
| 15 | John H. Buckner | 24 | Son | Inspector | Ohio |
| 16 | John Caldwell THIS PERSON | 51 | Head | Carpenter | Scotland |
| 17 | Katherine Caldwell | 49 | Wife | — | Scotland |
| 18 | David Caldwell | 23 | Son | Apprentice Carpenter | Ohio |
| 19 | Kathleen Caldwell | 16 | Daughter | — | Ohio |
| 20 | Arthur W. Kearney | 61 | Head | Steam Fitter | Canada English |
| 21 | Mary A. G. Kearney | 65 | Wife | — | Canada English |
| 22 | Joseph Ramanouskas | 60 | Head | Carpenter | Lithuania |
| 23 | Anna D Ramanouskas | 48 | Wife | — | Lithuania |
| 24 | Josephine Ramanouskas | 25 | Daughter | Seamstress | Ohio |
| 25 | Joseph Ramanouskas | 23 | Son | Truck Driver | Ohio |
| 26 | Anthony Ramanouskas | 20 | Son | Pipe Maker | Ohio |
| 27 | Lillian Ramanouskas | 13 | Daughter | — | Ohio |
| 28 | Pius Maryauskas | 46 | Head | Machinist | Lithuania |
| 29 | Eva Maryauskas | 45 | Wife | — | Lithuania |
| 30 | Albert B Maryauskas | 21 | Son | Drill Press Operator | New Jersey |
| 31 | Alexandra Maryauskas | 12 | Daughter | — | Ohio |
| 32 | Isabel Maryauskas | 7 | Daughter | — | Ohio |
| 33 | Magdalena Maryauskas | 50 | Sister | Drill Press Operator | Lithuania |
| 34 | George Reilly | 50 | Head | Sign Painter | Ohio |
| 35 | Estella Reilly | 50 | Wife | — | Ohio |
| 36 | Adela J. Reilly | 21 | Daughter | Stenographer | Ohio |
| 37 | George Jr. Reilly | 17 | Son | Delivering Papers | Ohio |
| 38 | John D Moffat | 50 | Head | Hammerman | Ohio |
| 39 | Lillian B Moffat | 47 | Wife | — | Ohio |
| 40 | Harvey J Lightfoot | 53 | Head | Garage Superintendent | Pennsylvania |
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)