JL
John Lake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Lake across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Lake |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Asst. Foreman |
| Industry | Paint Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Asst. Foreman |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1904 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Lake | Head | — | 36 | ~1904 |
| James Lake | Son | — | 5 | ~1935 |
| Martha Lake | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Wayne, Michigan
Head, age 25
Wayne, Michigan · implied b. ~1905 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Like |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 24 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Operator |
| Industry | Beauty Culture |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Head, age 36
Wayne-County, Michigan · implied b. ~1904 — 3 household members
| Surname | Lake |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Asst. Foreman |
| Industry | Paint Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Lake across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lake
Head · 1940 · age 36 · b. ~1904 · 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-t0627-01870-00500)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Wells | 20 | Daughter | Comptometer | Michigan |
| 2 | Dorothy Wells | 15 | Daughter | — | Michigan |
| 3 | George M. Farabaugh | 39 | Head | Dock Foreman | Pennsylvania |
| 4 | Selina Farabaugh | 40 | Wife | — | Pennsylvania |
| 5 | Rosemarry Farabaugh | 12 | Daughter | — | Michigan |
| 6 | Joan Farabaugh | 5 | Daughter | — | Michigan |
| 7 | Susan Bull | 62 | Mother-in-law | — | Pennsylvania |
| 8 | Robert A. Herzog | 37 | Head | Assembler | Michigan |
| 9 | Esther Herzog | 35 | Wife | — | Michigan |
| 10 | Eileen Herzog | 13 | Daughter | — | Michigan |
| 11 | Robert Jr. Herzog | 10 | Son | — | Michigan |
| 12 | Gustave H. Luona | 34 | Head | Traffic Organization | Michigan |
| 13 | B. Pauline Luona | 30 | Wife | — | Michigan |
| 14 | Coral Ann Luona | 7 | Daughter | — | Michigan |
| 15 | Norman Luona | 1 | Son | — | Michigan |
| 16 | Marie Luona | 59 | Mother | — | Finland |
| 17 | Ernest B. Hittle | 35 | Head | Manager | Ohio |
| 18 | Hazel Hittle | 33 | Wife | — | N. Dakota |
| 19 | Vera Marie Hittle | 10 | Daughter | — | Michigan |
| 20 | Adrian Hittle | 6 | Son | — | Michigan |
| 21 | Russell C. Richmond | 34 | Head | Manager | West Virginia |
| 22 | Mary Richmond | 27 | Wife | Manager | Tennessee |
| 23 | Raymond S. Butler | 41 | Head | Mechanic | Montana |
| 24 | Freda Butler | 28 | Wife | — | Michigan |
| 25 | Raymond Jr. Butler | 14 | Son | — | Michigan |
| 26 | Adelbert L. Kramer | 36 | Head | Switchman | Ohio |
| 27 | Stella M. Kramer | 42 | Wife | — | Ohio |
| 28 | Helen Kramer | 13 | Daughter | — | Ohio |
| 29 | Merchedies Kramer | 2 | Daughter | — | Michigan |
| 30 | John A. Yost | 71 | Boarder | Switchman | Germany |
| 31 | John J. Lake THIS PERSON | 36 | Head | Asst. Foreman | Michigan |
| 32 | Martha Lake | 33 | Wife | — | Michigan |
| 33 | James J. Lake | 5 | Son | — | Michigan |
| 34 | Wyman H. Adams | 33 | Head | Welder | Michigan |
| 35 | Geraldine Adams | 31 | Wife | — | New York |
| 36 | Robert Adams | 10 | Son | — | Michigan |
| 37 | Peter Adams | 4 | Son | — | Michigan |
| 38 | Paul H. Fast | 35 | Head | Contractor | Pennsylvania |
| 39 | Harriet Fast | 28 | Wife | — | Canada English |
| 40 | Shirley Fast | 5 | Daughter | — | Michigan |
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)