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 Anna — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Day |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Sound Engineer |
| Industry | Radio Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 5300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Sound Engineer |
| Township / Ward | Detroit City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Norma Day | Daughter | — | 10 | ~1930 |
| James Day | Head | — | 32 | ~1908 |
| Dennis Day | Son | — | 8 | ~1932 |
| Richard Day | Son | — | 9 | ~1931 |
| Laura Day | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Wayne, Michigan
Son, age 11
Wayne, Michigan · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Wayne, Michigan
Head, age 21
Wayne, Michigan · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Occupation | Operator |
| Industry | Motion Pictures |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 52.50 |
| Radio Set | No |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Wayne-County, Michigan
Head, age 32
Wayne-County, Michigan · implied b. ~1908 — 5 household members
| Surname | Day |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Sound Engineer |
| Industry | Radio Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 5300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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: mother Anna Day (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Day
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Day
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 — 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-t0627-01870-00608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Warner Doherty | 9 | son | — | Michigan |
| 2 | John (X) Muldoon | 55 | head | Salesman | Canada |
| 3 | Evangeline Muldoon | 58 | wife | — | Canada |
| 4 | Ralph Muldoon | 24 | son | — | Minnesota |
| 5 | Malcolm Dennis | 62 | head | Clerical Work | Canada |
| 6 | Mary (X) Dennis | 66 | wife | — | Pennsylvania |
| 7 | John Mccaffery | 36 | son | Refrigeration | Ireland |
| 8 | Marcelline Mccaffery | 31 | daughter | — | Pennsylvania |
| 9 | John Mccaffery | 13 | son | — | Michigan |
| 10 | Thomas Mccaffery | 9 | son | — | Michigan |
| 11 | Dibble Foote | 26 | head | Clerk | Michigan |
| 12 | Dorothy Foote | 22 | wife | — | No. Carolina |
| 13 | Philip Foote | 2 | son | — | Michigan |
| 14 | Cecil Porter | 57 | head | Carpenter | Ohio |
| 15 | Anna Porter | 56 | wife | — | Michigan |
| 16 | Melvin Porter | 30 | son | Loader Shipping Dept | Michigan |
| 17 | Peter Carradine | 39 | head | Salesman | Michigan |
| 18 | Marie Carradine | 37 | wife | — | Michigan |
| 19 | John Carradine | 2 | son | — | Michigan |
| 20 | R. E. Mahan | 54 | head | Storekeeper | Michigan |
| 21 | Florence Mahan | 43 | wife | Storekeeper | Michigan |
| 22 | Betty Mahan | 8 | daughter | — | Michigan |
| 23 | Ida Winthrop | 50 | mother-in-law | Housekeeper | Michigan |
| 24 | Clarence Wenderly | 46 | head | Inspector | Ohio |
| 25 | Violet (X) Wenderly | 39 | wife | — | Michigan |
| 26 | Noreen Wenderly | 12 | daughter | — | Michigan |
| 27 | Donald Wenderly | 11 | son | — | Michigan |
| 28 | Glenn Huff | 47 | head | Industrial Engr. | Illinois |
| 29 | Edith Huff | 55 | wife | — | Michigan |
| 30 | Leo (X) Bosnak | 39 | head | Truck Driver | Yugo-Slavia |
| 31 | Mary Bosnak | 40 | wife | — | Nebraska |
| 32 | Dorothy Bosnak | 16 | daughter | — | Nebraska |
| 33 | Harold Bosnak | 8 | son | — | Michigan |
| 34 | James Day THIS PERSON | 32 | head | Sound Engineer | Indiana |
| 35 | Laura Day | 28 | wife | — | Kentucky |
| 36 | Norma Day | 10 | daughter | — | Michigan |
| 37 | Richard Day | 9 | son | — | Michigan |
| 38 | Dennis Day | 8 | son | — | Michigan |
| 39 | Adas (X) Roder | 48 | head | — | Canada |
| 40 | Jack Sherman | 28 | son | Grinder | Michigan |
Pedigree Summary
James
Gen 1 · 1 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)