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William Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Nassau-County, Florida
Our Model Tree links this William Lucas across the 1930 and 1940 US Censuses in Nassau-County, Florida (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 9-person household.
Age 29
b. ~1911
Male
Son
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, Florida |
| Surname | Lucas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Fernandina |
| 1935 Residence (County) | Nassau |
| Additional Details | |
| Occupation | Fisherman |
| Industry | Fishing |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 400 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Fisherman |
| Township / Ward | Fernandina |
| Est. Birth Year | ~1911 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Maggie Lucas | Daughter | — | 28 | ~1912 |
| Melzie Lucas | Daughter | — | 25 | ~1915 |
| Berta Lucas | Daughter | — | 26 | ~1914 |
| Lillian Lucas | Daughter | — | 19 | ~1921 |
| Mary Lucas | Daughter | — | 11 | ~1929 |
| Bertie Lucas | Head | — | 52 | ~1888 |
| George Lucas | Son | — | 17 | ~1923 |
| William Lucas | Son | — | 29 | ~1911 |
| Harold Lucas | Son | — | 14 | ~1926 |
Census Appearances
1930
Nassau, Florida
Son, age 19
Nassau, Florida · implied b. ~1911 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Ret Merchant |
| Industry | Fertilizer Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Nassau-County, Florida
Son, age 29
Nassau-County, Florida · implied b. ~1911 — 9 household members
| Surname | Lucas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Fernandina |
| 1935 Residence (County) | Nassau |
| Occupation | Fisherman |
| Industry | Fishing |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 400 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 William Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Lucas
Son · 1940 · age 29 · b. ~1911 · Florida
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Sibling
Maggie Lucas
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berta Lucas
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Lucas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Lucas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melzie Lucas
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lucas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Lucas
Sibling · 1940 · age 19
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 — Nassau-County, Florida
Open full size
1940 US Federal Census — Nassau-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00601-00767)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary G. Mayrent | 90 | Head | — | South Carolina |
| 2 | Jamie M. Longe | 49 | Daughter | — | South Carolina |
| 3 | Mary E. Longe | 18 | Daughter | Stenographer | Florida |
| 4 | Joe Roach | 25 | Lodger | — | Florida |
| 5 | Bertie Lucas | 52 | Head | — | Florida |
| 6 | William Lucas THIS PERSON | 29 | Son | Fisherman | Florida |
| 7 | Maggie Lucas | 28 | Daughter | — | Florida |
| 8 | Melzie Lucas | 25 | Daughter | — | Florida |
| 9 | Berta M. Lucas | 26 | Daughter | — | Florida |
| 10 | Lillian Lucas | 19 | Daughter | — | Florida |
| 11 | George Lucas | 17 | Son | — | Florida |
| 12 | Harold Lucas | 14 | Son | — | Florida |
| 13 | Mary Lucas | 11 | Daughter | — | Florida |
| 14 | Alex Foster | 70 | Head | — | Florida |
| 15 | Lucy Foster | 60 | Wife | — | Florida |
| 16 | James Foster | 29 | Son | Fisherman | Florida |
| 17 | Reggie Foster | 30 | Son | Truck Driver | Florida |
| 18 | Elvema Foster | 40 | Son | Laborer | Florida |
| 19 | Charles Hargenbush | 30 | Head | — | Georgia |
| 20 | Threkel Hargenbush | 27 | Brother | Clerk | Georgia |
| 21 | Mary L. Hargenbush | 20 | Sister | — | Florida |
| 22 | Levelle Horne | 37 | Head | Laborer | Florida |
| 23 | Anna Horne | 37 | Wife | — | Florida |
| 24 | Willie Jr. Horne | 6 | Son | — | Florida |
| 25 | Bessie L. Horne | 4 | Daughter | — | Florida |
| 26 | Bernice Horne | 1 | Daughter | — | Florida |
| 27 | Oscar Teidie | 51 | Head | — | Florida |
| 28 | John C. Johnson | 46 | Lodger | Carpenter | Georgia |
| 29 | Albert Shawn | 35 | Head | Fisherman | Montana |
| 30 | Thomas G. Ennis | 70 | Head | Fisherman | Florida |
| 31 | James W. Ennis | 73 | Brother | Fisherman | Florida |
| 32 | Hermina Ennis | 76 | Sister-in-law | — | Penn. |
| 33 | Orman Ennis | 2 | Nephew | — | Florida |
| 34 | Charles Mcdonell | 52 | Head | Fisherman | Florida |
| 35 | Bernice Mcdonell | 42 | Wife | — | Florida |
| 36 | Henry W. Moore | 70 | Head | Laborer | Florida |
| 37 | Gladys Moore | 26 | Wife | — | Florida |
| 38 | Irene Moore | 8 | Daughter | — | Florida |
| 39 | Louis L. Sharper | 55 | Head | Superintendent | Florida |
| 40 | Gertrude M. Sharper | 43 | Wife | — | Georgia |
Related Census Records
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)