JL
James Lamb — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this James Lamb across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Josephine & Fred — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Lamb |
| Given Name | James L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Parking lot |
| Industry | Parking lot |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 28 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Parking Lot |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| James Lamb | Son | — | 23 | ~1917 |
| William Lamb | Son | — | 27 | ~1913 |
| John Curoe | Other | — | 63 | ~1877 |
| Josephine Lamb | Head | — | 60 | ~1880 |
| Thomas Curoe | Other | — | 58 | ~1882 |
Census Appearances
1920
Wayne, Michigan
Son, age 2
Wayne, Michigan · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 12
Wayne, Michigan · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | James A |
| 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/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 23
Wayne-County, Michigan · implied b. ~1917 — 5 household members
| Surname | Lamb |
| Given Name | James L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Parking lot |
| Industry | Parking lot |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 28 |
| Highest Grade | H-4 |
| 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 James Lamb across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Josephine Lamb (~0.92 confidence) and father Fred Lamb (~0.92 confidence) and mother Lulu Lamb (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Josephine Lamb
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Fred Lamb
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Lulu Lamb
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Lamb
Son · 1940 · age 23 · b. ~1917 · Michigan
★ You are viewing this record
Sibling
William Lamb
Sibling · 1940 · age 27
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
24 people indexed on this census page (nara:1940:m-t0627-01848-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Bullock | 18 | Son | Stock Man | Indiana |
| 2 | Ruth Bullock | 13 | Daughter | — | Michigan |
| 3 | Ariel Bullock | 12 | Daughter | — | Michigan |
| 4 | Thomas Bullock | 9 | Son | — | Michigan |
| 5 | John Bullock | 7 | Son | — | Michigan |
| 6 | Amy Bullock | 6 | Daughter | — | Michigan |
| 7 | Mary Bullock | 3 | Daughter | — | Michigan |
| 8 | William Bahr | 58 | Head | Beer Garden | Pennsylvania |
| 9 | Agnes Bahr | 40 | Wife | — | Michigan |
| 11 | Josephine E. Lamb | 60 | Head | — | Michigan |
| 12 | William Lamb | 27 | Son | Repairman | Michigan |
| 13 | James L. Lamb THIS PERSON | 23 | Son | Parking Lot | Michigan |
| 14 | John Curoe | 63 | Lodger | Clerk Shipping | Michigan |
| 15 | Thomas Curoe | 58 | Brother | — | Michigan |
| 16 | Manuel Luengo | 38 | Head | Machine Operator | Mexico |
| 17 | Mary Luengo | 38 | Wife | — | Connecticut |
| 18 | Agnes Mescar | 74 | Mother-in-law | — | Rhode Island |
| 19 | Frank Mccotter | 59 | Head | Bricklayer | Ireland |
| 20 | Frank Mccotter | 10 | Son | — | Michigan |
| 21 | Dennis Mccotter | 8 | Son | — | Michigan |
| 22 | Susie Mccotter | 6 | Daughter | — | Michigan |
| 23 | Dennis Mccotter | 70 | Brother | — | Ireland |
| 24 | John Meisner | 56 | Head | Laborer | New York |
| 25 | Edna Meisner | 57 | Wife | — | Michigan |
Pedigree Summary
James + 1 sibling
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)