JM
John Mccormick — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ingham-County, Michigan
Our Model Tree links this John Mccormick across the 1920, 1930 and 1940 US Censuses in Ingham-County, Michigan (XGBoost, ~Confirmed), with identified parents Grant & Edith — first a head (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ingham-County, Michigan |
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Lansing |
| 1935 Residence (County) | Ingham |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Const. Proj. |
| Class of Worker | GW |
| Hours Worked | 11 |
| Income (1939) | 348 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Lansing Twshp |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joan Mccormick | Daughter | — | 6 | ~1934 |
| Margaret Mccormick | Daughter | — | 11 | ~1929 |
| Delvia Mccormick | Daughter | — | 9 | ~1931 |
| John Mccormick | Head | — | 32 | ~1908 |
| Earl Mccormick | Son | — | 13 | ~1927 |
| Larry Mccormick | Son | — | 5 | ~1935 |
| Faye Mccormick | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Ingham, Michigan
Son, age 12
Ingham, Michigan · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Ingham, Michigan
Son, age 22
Ingham, Michigan · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| Age at First Marriage | 19 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Carpenter |
| Industry | Building Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ingham-County, Michigan
Head, age 32
Ingham-County, Michigan · implied b. ~1908 — 7 household members
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Lansing |
| 1935 Residence (County) | Ingham |
| Occupation | Laborer |
| Industry | Road Const. Proj. |
| Class of Worker | GW |
| Hours Worked | 11 |
| Income (1939) | 348 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Mccormick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Grant Mccormick (~0.92 confidence) and mother Edith Mccormick (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Grant Mccormick
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Edith Mccormick
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mccormick
Head · 1940 · age 32 · b. ~1908 · Michigan
★ 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 — Ingham-County, Michigan
Open full size
1940 US Federal Census — Ingham-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01763-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Jolliff | 1 | Son | — | Michigan |
| 42 | Roy Paul | 34 | Head | Laborer | Missouri |
| 43 | Bertha Paul | 20 | Wife | — | Michigan |
| 44 | Cecil O. Thompson | 31 | Head | Tool Grinder | Ohio |
| 45 | Myrtle Thompson | 31 | Wife | — | Michigan |
| 46 | Joyce Thompson | 10 | Daughter | — | Michigan |
| 47 | Shirley Thompson | 8 | Daughter | — | Michigan |
| 48 | Allen Thompson | 6 | Son | — | Michigan |
| 49 | Geraldine Thompson | 4 | Daughter | — | Michigan |
| 50 | Elizabeth Zimmerman | 67 | Mother-in-law | — | Michigan |
| 51 | Orville Zimmerman | 38 | Head | Truck Driver | Michigan |
| 52 | Bertha Zimmerman | 37 | Wife | — | Michigan |
| 53 | Arlene Zimmerman | 14 | Daughter | — | Michigan |
| 54 | Lyle Zimmerman | 11 | Son | — | Michigan |
| 55 | Marvel Zimmerman | 8 | Son | — | Michigan |
| 56 | Roy Zimmerman | 4 | Son | — | Michigan |
| 57 | Charles Metz | 64 | Head | Laborer | W. Virginia |
| 58 | Cora Metz | 62 | Wife | — | Ohio |
| 59 | Emmet Davis | 64 | Head | Laborer | Michigan |
| 60 | Lela Davis | 48 | Wife | — | Michigan |
| 61 | Erwin Davis | 19 | Son | — | Michigan |
| 62 | Bernadine Davis | 13 | Daughter | — | Michigan |
| 63 | Dale Parsons | 32 | Head | Crater Shipper | Michigan |
| 64 | Josephine Parsons | 28 | Wife | — | Michigan |
| 65 | Joann Parsons | 3 | Daughter | — | Michigan |
| 66 | Gary Parsons | 1 | Son | — | Michigan |
| 67 | Barbara Parsons | 0 | Daughter | — | Michigan |
| 68 | John Mccormick THIS PERSON | 32 | Head | Laborer | Michigan |
| 69 | Faye Mccormick | 33 | Wife | — | Michigan |
| 70 | Earl Mccormick | 13 | Son | — | Michigan |
| 71 | Margaret Mccormick | 11 | Daughter | — | Michigan |
| 72 | Delvia Mccormick | 9 | Daughter | — | Michigan |
| 73 | Joan Mccormick | 6 | Daughter | — | Michigan |
| 74 | Larry Mccormick | 5 | Son | — | Michigan |
| 75 | Alvin Parsons | 31 | Head | Sheet Metal Worker | Michigan |
| 76 | Anna Parsons | 28 | Wife | — | Michigan |
| 77 | Roberta Parsons | 10 | Daughter | — | Michigan |
| 78 | Donna Parsons | 8 | Daughter | — | Michigan |
| 79 | John H. Casey | 36 | Head | Welder | Michigan |
| 80 | Lillian M. Casey | 34 | Wife | — | Michigan |
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)