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James Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this James Mccarthy across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | McCarthy |
| Given Name | James H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver, City and County |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Safety Inspector |
| Industry | Steam Railroad |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 4000 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Safety Inspector |
| Township / Ward | Denver City And County |
| Est. Birth Year | ~1898 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Mccarthy | Head | — | 42 | ~1898 |
| Robert Mccarthy | Son | — | 16 | ~1924 |
| J Mccarthy | Son | — | 12 | ~1928 |
| Mildred Mccarthy | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Denver, Colorado
Other, age 22
Denver, Colorado · implied b. ~1898 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarty |
| Given Name | James H |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New York |
| Mother's Birthplace | Colorado |
| Occupation | Locomotive Engineer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
Head, age 33
Denver, Colorado · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarty |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 19 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Missouri |
| Occupation | Driver |
| Industry | Truck Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 42
Denver-County, Colorado · implied b. ~1898 — 4 household members
| Surname | McCarthy |
| Given Name | James H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver, City and County |
| 1935 Residence (County) | Denver |
| Occupation | Safety Inspector |
| Industry | Steam Railroad |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 4000 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| 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 James Mccarthy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Mccarthy
Head · 1940 · age 42 · b. ~1898 · 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00493-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma Bradley | 33 | Wife | — | Wisconsin |
| 2 | Gary Bradley | 1 | Son | — | Colorado |
| 3 | Thur Thenn | 25 | Brother in law | Attendant | Wisconsin |
| 4 | George W Reddington | 53 | Head | Bookkeeper | Colorado |
| 5 | Mae E Reddington | 53 | Wife | — | Illinois |
| 6 | Maude Gunson | 50 | Head | Saleslady | Colorado |
| 7 | James H Mccarthy THIS PERSON | 42 | Head | Safety Inspector | Colorado |
| 8 | Mildred Mccarthy | 42 | Wife | — | Illinois |
| 9 | Robert D Mccarthy | 16 | Son | — | Colorado |
| 10 | J. Gerald Mccarthy | 12 | Son | — | Colorado |
| 11 | Charles T Mackenzie | 69 | Head | Manager | New York |
| 12 | Clara E Mackenzie | 67 | Wife | — | Wisconsin |
| 13 | Carol Clair Mackenzie | 24 | Daughter | Stenographer | Wisconsin |
| 14 | Paul D Nolte | 44 | Head | Operator | Kansas |
| 15 | Margaret Nolte | 35 | Wife | — | Kansas |
| 16 | Paul D Jr. Nolte | 2 | Son | — | Colorado |
| 17 | Maria Obialero | 59 | Mother in law | — | Italy |
| 18 | Ann Obialero | 32 | Sister in law | Saleslady | New Mexico |
| 19 | Nora Obialero | 29 | Sister in law | Stenographer | Oklahoma |
| 21 | Albert Saferstein | 46 | Head | Manager | Poland |
| 22 | Ethel Saferstein | 41 | Wife | — | Missouri |
| 23 | Maurice Saferstein | 22 | Son | Salesman | Colorado |
| 24 | Geraldine Saferstein | 19 | Daughter | — | Colorado |
| 25 | Robert Saferstein | 14 | Son | — | Colorado |
| 26 | George W Andres | 39 | Head | Electrician | Colorado |
| 27 | Augusta Andres | 39 | Wife | — | Austria |
| 28 | Josephine Andres | 1 | Daughter | — | Colorado |
| 29 | Ulys Clark | 36 | Head | Salesman | Colorado |
| 30 | Ethel Clark | 37 | Wife | — | Colorado |
| 31 | Cherline Clark | 13 | Daughter | — | Colorado |
| 32 | Russell Clark | 10 | Son | — | California |
| 33 | Lena Grinstun | 62 | Head | — | Russia |
| 34 | Sidney Grinstun | 32 | Son | Manager | Colorado |
| 35 | Sadie Grinstun | 27 | Daughter | Stenographer | Colorado |
| 36 | Alex Grinstun | 25 | Son | Salesman | Colorado |
| 37 | Claus Stromwall | 71 | Head | — | Sweden |
| 38 | Hilda Stromwall | 70 | Wife | — | Sweden |
| 39 | Edwin B. Clements | 61 | Head | — | Kentucky |
| 40 | Myrtle W Clements | 56 | Wife | — | Nebraska |
Related Census Records
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)