JL
John Lindsay — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this John Lindsay across the 1920, 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Lindsay |
| Given Name | John R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ferndale |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Occupation | mechanical draftsman |
| Industry | grad school |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1240 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Mechanical Draftsman |
| Township / Ward | Ferndale |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| H Lindsay | Son | — | 11 | ~1929 |
| John Lindsay | Son | — | 24 | ~1916 |
| William Lindsay | Head | — | 54 | ~1886 |
| William Lindsay | Son | — | 22 | ~1918 |
| Christine Lindsay | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Oakland, Michigan
Son, age 4
Oakland, Michigan · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsey |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Indiana |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
Son, age 14
Oakland, Michigan · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsey |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| Age at First Marriage | S |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Son, age 24
Oakland-County, Michigan · implied b. ~1916 — 5 household members
| Surname | Lindsay |
| Given Name | John R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ferndale |
| 1935 Residence (County) | Oakland |
| Occupation | mechanical draftsman |
| Industry | grad school |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1240 |
| Highest Grade | C 4 |
| 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 John Lindsay across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lindsay (~0.92 confidence) and father William Lindsey (~0.92 confidence) and mother Christine Lindsay (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lindsay
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Lindsey
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Christine Lindsay
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lindsay
Son · 1940 · age 24 · b. ~1916 · Michigan
★ You are viewing this record
Sibling
H Lindsay
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lindsay
Sibling · 1940 · age 22
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 — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01799-00717)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruby Anderson | 33 | daughter | Conveyor | Ohio |
| 2 | Darla-Lewis | 28 | son | Machinist | Illinois |
| 3 | Carl Anderson | 51 | Head | Electrician | Sweden |
| 4 | Nancy Anderson | 46 | wife | — | Michigan |
| 5 | Kenneth Anderson | 17 | son | — | Michigan |
| 6 | Bernice Anderson | 14 | daughter | — | Michigan |
| 7 | Clifford Anderson | 12 | son | — | Michigan |
| 8 | Delores Anderson | 8 | daughter | — | Michigan |
| 9 | Charles F. Reilich | 37 | Head | Die Maker | Michigan |
| 10 | Nettie Reilich | 37 | wife | — | Michigan |
| 11 | Duane Reilich | 10 | son | — | Michigan |
| 12 | Kenneth Reilich | 6 | son | — | Michigan |
| 13 | Gary Reilich | 1 | son | — | Michigan |
| 14 | Mario Bongero | 32 | Head | Drug Clerk | Italy |
| 15 | Ina Bongero | 26 | wife | — | Michigan |
| 16 | Christina Bongero | 3 | daughter | — | Michigan |
| 17 | James Archibald | 24 | lodger | Mechanic | Michigan |
| 18 | Iva Archibald | 23 | lodger | — | Pennsylvania |
| 19 | Paul Lakti | 28 | Head | Maintenance | Michigan |
| 20 | Esther Lakti | 27 | wife | — | Michigan |
| 21 | Gerald Lakti | 2 | son | — | Michigan |
| 22 | William E. Lindsay | 54 | Head | Home Clerk | Canada |
| 23 | Christine Lindsay | 49 | wife | — | Indiana |
| 24 | John R. Lindsay THIS PERSON | 24 | son | Mechanical Draftsman | Michigan |
| 25 | William W. Lindsay | 22 | son | Tool Apprentice | Michigan |
| 26 | H. Lyell Lindsay | 11 | son | — | Michigan |
| 27 | Harold Carter | 28 | Head | Tool Crib Man | Michigan |
| 28 | Myrtle Carter | 24 | wife | — | Michigan |
| 29 | Sharon Louise Carter | 3 | daughter | — | Michigan |
| 30 | Shirley Carter | 1 | daughter | — | Michigan |
| 31 | John W. Mcallister | 48 | Head | Switchman | Canada Eng |
| 32 | Elizabeth Mcallister | 51 | wife | — | Canada Eng |
| 33 | Charles Murray | 3 | brother | — | Canada Eng |
| 34 | Floyd E. Cartier | 43 | Head | Carpenter | N. Dakota |
| 35 | Jane Cartier | 40 | wife | — | Ireland |
| 36 | Duane Cartier | 14 | son | — | Michigan |
| 37 | A. Margaret Heel | 13 | daughter | — | Michigan |
| 38 | Shirley Mae Heel | 11 | daughter | — | Michigan |
| 39 | Dorothy Joan Heel | 8 | daughter | — | Michigan |
| 40 | Ralph Nelson | 35 | Head | Salesman | Massachusetts |
Related Census Records
Pedigree Summary
John + 2 siblings
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)