JL
John Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Lucas across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Lucas |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Carlton |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Dearborn Township |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Irene Lucas | Daughter | — | 20 | ~1920 |
| Eleanor Lucas | Daughter | — | 12 | ~1928 |
| Elizabeth Lucas | Daughter | — | 13 | ~1927 |
| Catherine Lucas | Head | — | 57 | ~1883 |
| Joseph Lucas | Son | — | 22 | ~1918 |
| Theodore Lucas | Son | — | 21 | ~1919 |
| John Lucas | Son | — | 10 | ~1930 |
| Edward Lucas | Son | — | 29 | ~1911 |
| Anthony Lucas | Son | — | 26 | ~1914 |
Census Appearances
1930
Wayne, Michigan
Son, age
Wayne, Michigan · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Luck |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada-Eng |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 10
Wayne-County, Michigan · implied b. ~1930 — 9 household members
| Surname | Lucas |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Carlton |
| 1935 Residence (County) | Monroe |
| Highest Grade | No 4 |
| 1935 Residence | Michigan |
| 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 Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lucas
Son · 1940 · age 10 · b. ~1930 · Michigan
★ You are viewing this record
Sibling
Irene Lucas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Lucas
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Lucas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Lucas
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Lucas
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Lucas
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Lucas
Sibling · 1940 · age 12
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-t0627-01827-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Schauweker | 40 | Wife | — | Michigan |
| 2 | Bernard Schauweker | 15 | Son | — | Michigan |
| 3 | Eugene Schauweker | 12 | Son | — | Michigan |
| 4 | John Schauweker | 11 | Son | — | Michigan |
| 5 | Paul Schauweker | 10 | Son | — | Michigan |
| 6 | Robert Schauweker | 8 | Son | — | Michigan |
| 7 | James Schauweker | 4 | Son | — | Michigan |
| 8 | Donald Schauweker | 1 | Son | — | Michigan |
| 9 | Thomas Sterling | 35 | Head | Assistant Foreman | Michigan |
| 10 | Douglas Sterling | 32 | Wife | — | Ohio |
| 11 | Richard Sterling | 13 | Son | — | Michigan |
| 12 | Thomas Sterling | 11 | Son | — | Michigan |
| 13 | Audrey Sterling | 9 | Daughter | — | Michigan |
| 14 | Frank Rawson | 54 | Head | Yardmaster | Pennsylvania |
| 15 | Lillian Rawson | 53 | Wife | — | New York |
| 16 | Beverly Rawson | 15 | Daughter | — | Michigan |
| 17 | Shirley Rawson | 13 | Daughter | — | Michigan |
| 18 | John Makowski | 30 | Head | Weigher | Michigan |
| 19 | Viola Makowski | 27 | Wife | — | Michigan |
| 20 | Rita Makowski | 3 | Daughter | — | Michigan |
| 21 | Robert Rawson | 31 | Head | Switchman | New York |
| 22 | Ruth Rawson | 25 | Wife | — | Michigan |
| 23 | Barbara Rawson | 5 | Daughter | — | Michigan |
| 24 | Robert Rawson | 3 | Son | — | Michigan |
| 25 | Janet Rawson | 2 | Daughter | — | Michigan |
| 26 | Rose Greenhalgh | 74 | Mother-in-law | — | Michigan |
| 27 | John Clark | 24 | Head | Toolmaker | Michigan |
| 28 | Eleanor Clark | 24 | Wife | — | Michigan |
| 29 | John Clark | 7 | Son | — | Michigan |
| 30 | Sharon Clark | 3 | Daughter | — | Michigan |
| 31 | Lloyd Clark | 1 | Son | — | Michigan |
| 32 | Catherine Lucas | 57 | Head | — | Poland |
| 33 | Edward Lucas | 29 | Son | Punch Press Operator | Massachusetts |
| 34 | Theodore Lucas | 21 | Son | Punch Press Operator | Michigan |
| 35 | Joseph Lucas | 22 | Son | Delivery Man | Michigan |
| 36 | Irene Lucas | 20 | Daughter | — | Michigan |
| 37 | Elizabeth Lucas | 13 | Daughter | — | Michigan |
| 38 | Eleanor Lucas | 12 | Daughter | — | Michigan |
| 39 | John Lucas THIS PERSON | 10 | Son | — | Michigan |
| 40 | Anthony Lucas | 26 | Son | Inspector | 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)