JD
James Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this James Day across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1914), then head of a 7-person household.
Age 26
b. ~1914
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Day |
| Given Name | James F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Secretary |
| Industry | Public Utility |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1664 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Secretary |
| Township / Ward | Detroit |
| Est. Birth Year | ~1914 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Mary Day | Daughter | — | 22 | ~1918 |
| James Day | Head | — | 54 | ~1886 |
| James Day | Son | — | 26 | ~1914 |
| Robert Day | Son | — | 19 | ~1921 |
| Joseph Day | Son | — | 24 | ~1916 |
| Frederick Day | Son | — | 15 | ~1925 |
| Bessie Day | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Wayne, Michigan
Son, age 5
Wayne, Michigan · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Can Read | No |
| Can Write | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 16
Wayne, Michigan · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 26
Wayne-County, Michigan · implied b. ~1914 — 7 household members
| Surname | Day |
| Given Name | James F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Occupation | Secretary |
| Industry | Public Utility |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1664 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| 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 James Day across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Day (~0.92 confidence) and father James Day (~0.92 confidence) and mother Elizabeth Day (~0.92 confidence) and mother Bessie Day (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Day
b. ~1884
Source father
● Household
· direct · ~0.92
Father
James Day
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Day
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Bessie Day
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Day
Son · 1940 · age 26 · b. ~1914 · Michigan
★ You are viewing this record
Sibling
Robert Day
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Day
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Day
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Day
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01881-00546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Hoadley | 11 | Daughter | — | Michigan |
| 42 | Carl Dimpfl | 61 | Head | Experimental | Germany |
| 43 | Pauline Dimpfl | 59 | Wife | — | Hungary |
| 44 | Emelia Dimpfl | 29 | Daughter | Comptometer | Pennsylvania |
| 45 | Dimpfl | None | — | — | — |
| 46 | Dimpfl | None | — | — | — |
| 47 | Dimpfl | None | — | — | — |
| 48 | Dimpfl | None | — | — | — |
| 49 | Dimpfl | None | — | — | — |
| 50 | Dimpfl | None | — | — | — |
| 51 | Dimpfl | None | — | — | — |
| 52 | William A. Crakes | 45 | Head | Machine Operator | Michigan |
| 53 | Amalia O. Crakes | 46 | Wife | — | Michigan |
| 54 | Thomas Carlsen | 63 | Lodger | Yardman | Michigan |
| 55 | Roy Emerick | 45 | Head | Laborer | Ohio |
| 56 | Nina Emerick | 44 | Wife | — | Ohio |
| 57 | Kenneth R. Emerick | 16 | Son | — | Michigan |
| 58 | James L. Day | 54 | Head | Electrician | Ohio |
| 59 | Bessie Day | 51 | Wife | — | Michigan |
| 60 | James F. Day THIS PERSON | 26 | Son | Secretary | Michigan |
| 61 | Joseph L. Day | 24 | Son | Electrician | Michigan |
| 62 | Mary V. Day | 22 | Daughter | Secretary | Michigan |
| 63 | Robert L. Day | 19 | Son | — | Michigan |
| 64 | Frederick C. Day | 15 | Son | — | Michigan |
| 65 | Mary Batchik | 60 | Head | — | Czechoslovakia |
| 66 | Nicholas Batchik | 31 | Son | Body Trimmer | Pennsylvania |
| 67 | George Batchik | 28 | Son | Truck Driver | Pennsylvania |
| 68 | Joseph Batchik | 26 | Son | Molder | Pennsylvania |
| 69 | Andrew Batchik | 24 | Son | Laborer | Pennsylvania |
| 70 | Anna Batchik | 20 | Daughter | — | Pennsylvania |
| 71 | Steven Batchik | 18 | Son | — | Pennsylvania |
| 72 | Albert Batchik | 14 | Son | — | Pennsylvania |
| 73 | Michael Waters | 48 | Head | Policeman | Michigan |
| 74 | Helen Waters | 41 | Wife | — | Ohio |
| 75 | James Waters | 20 | Son | Dishwasher | Ohio |
| 76 | Robert Waters | 19 | Son | — | Ohio |
| 77 | Anna Rita Waters | 15 | Daughter | — | Ohio |
| 78 | Betty Jane Waters | 13 | Daughter | — | Michigan |
| 79 | Patricia Waters | 11 | Daughter | — | Michigan |
| 80 | Michael Jr. Waters | 9 | Son | — | Michigan |
Pedigree Summary
James + 4 siblings
Gen 1 · 4 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)