JM
James Mccormick — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this James Mccormick across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | McCormick |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Manager |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1825 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Manager |
| Township / Ward | Denver City |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Betty Mccormick | Daughter | — | 6 | ~1934 |
| James Mccormick | Head | — | 28 | ~1912 |
| Dorothy Mccormick | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Denver, Colorado
Son, age 8
Denver, Colorado · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | James L. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Denver, Colorado
Son, age 18
Denver, Colorado · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | James E. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Clerk |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Denver-County, Colorado
Head, age 28
Denver-County, Colorado · implied b. ~1912 — 3 household members
| Surname | McCormick |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Occupation | Manager |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1825 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Mccormick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Mccormick (~0.92 confidence) and father James Mccormick (~0.92 confidence) and mother Lucy Mccormick (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mccormick
b. ~1883
Source father
● Household
· direct · ~0.92
Father
James Mccormick
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Lucy Mccormick
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Mccormick
Head · 1940 · age 28 · b. ~1912 · 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00488-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna @ Hair | 49 | Wife | — | Pennsylvania |
| 2 | Jeane Hair | 25 | Daughter | — | Colorado |
| 3 | James B. Lippitt | 68 | Head | Manager Vault | N. Carolina |
| 4 | Emma H. Lippitt | 47 | Wife | Stenographer | Nebraska |
| 5 | Mina Heiser | 57 | Sister-in-law | — | Nebraska |
| 6 | Peter Noeren | 61 | Head | Cabinet Maker | Denmark |
| 7 | Jennie Noeren | 57 | Wife | — | Denmark |
| 8 | Paul E. Noeren | 27 | Son | Photographer | Colorado |
| 9 | Gertrude B. Woodruff | 55 | Head | Sales Clerk | Kansas |
| 10 | Joseph Arthur | 55 | Lodger | Architect | Canada-Eng |
| 11 | Wm. Augustine | 55 | Head | — | Missouri |
| 12 | Olga Augustine | 52 | Wife | — | Missouri |
| 13 | Paul Bruening | 62 | Head | — | Iowa |
| 14 | Elizabeth Bruening | 62 | Wife | — | Iowa |
| 15 | Anna K. Hall | 45 | Head | — | Missouri |
| 16 | Edward H. Hall | 16 | Son | — | Wyoming |
| 17 | Earl W. Hall | 13 | Nephew | — | Missouri |
| 18 | Anna L. Grinn | 59 | Head | — | Ohio |
| 19 | Edith C. Grinn | 41 | Daughter | Cashier | Colorado |
| 20 | Esther M. Grinn | 41 | Daughter | Secretary | Colorado |
| 21 | Jack F. Blair | 55 | Head | Accountant | Nebraska |
| 22 | Sophia L. Blair | 54 | Wife | Secretary | Missouri |
| 23 | Annie Brothan | 77 | Mother-in-law | — | Missouri |
| 24 | John W. Halliday | 80 | Head | — | Ohio |
| 25 | Ethel Halliday | 40 | Daughter | Discounts | Nebraska |
| 26 | William B. Devine | 53 | Head | Office Worker | New York |
| 27 | Mary M. Devine | 53 | Wife | — | Colorado |
| 28 | William J. Devine | 19 | Son | — | Colorado |
| 29 | Stephen T. Devine | 18 | Son | — | Colorado |
| 30 | Mary T. Devine | 14 | Daughter | — | Colorado |
| 31 | Catherine Devine | 12 | Daughter | — | Colorado |
| 32 | Archie G. Longaker | 55 | Head | Special Police | Kansas |
| 33 | Emma L. Longaker | 49 | Wife | — | Illinois |
| 34 | Ray F. Riviere | 29 | Head | Salesman | Colorado |
| 35 | Clara Riviere | 28 | Wife | — | Tennessee |
| 36 | Charles Riviere | 3 | Son | — | Colorado |
| 37 | James Mccormick THIS PERSON | 28 | Head | Manager | Missouri |
| 38 | Dorothy Mccormick | 29 | Wife | — | Colorado |
| 39 | Betty Lou Mccormick | 6 | Daughter | — | Colorado |
| 40 | Dorothy Sellers | 70 | Head | — | Virginia |
Pedigree Summary
James
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)