JL
James Lawrence — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hillsborough-County, Florida
Our Model Tree links this James Lawrence across the 1920, 1930 and 1940 US Censuses in Hillsborough-County, Florida (XGBoost, ~Confirmed), with identified parents Pete & Carlotta — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hillsborough-County, Florida |
| Surname | Lawrence |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 44 |
| 1935 Residence (County) | Hillsborough |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Air Base Project |
| Class of Worker | GW |
| Hours Worked | 36 |
| Income (1939) | 521 |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Truck Driver |
| Township / Ward | Precinct 44 |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Betty Lawrence | Daughter | — | 7 | ~1933 |
| James Lawrence | Head | — | 36 | ~1904 |
| James Lawrence | Son | — | 10 | ~1930 |
| Carrie Lawrence | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Hillsborough, Florida
Son, age 17
Hillsborough, Florida · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Hillsborough, Florida
Head, age 28
Hillsborough, Florida · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 24 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10.00 |
| Veteran | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Hillsborough-County, Florida
Head, age 36
Hillsborough-County, Florida · implied b. ~1904 — 4 household members
| Surname | Lawrence |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 44 |
| 1935 Residence (County) | Hillsborough |
| Occupation | Truck Driver |
| Industry | Air Base Project |
| Class of Worker | GW |
| Hours Worked | 36 |
| Income (1939) | 521 |
| Highest Grade | 4 |
| 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 James Lawrence across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Pete Lawrence (~0.92 confidence) and mother Carlotta Lawrence (~0.60 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Father
Pete Lawrence
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Carlotta Lawrence
b. ~1900
Source mother
● Household
· direct · ~0.6
This person
Anchor record
James Lawrence
Head · 1940 · age 36 · b. ~1904 · Florida
★ 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 — Hillsborough-County, Florida
Open full size
1940 US Federal Census — Hillsborough-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00590-00692)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ure | 40 | Wife | — | Florida |
| 42 | John O. Jr. Ure | 18 | Son | Life Guard | Florida |
| 43 | Curtis C. Ure | 15 | Son | — | Florida |
| 44 | Mary Louise Ure | 9 | Daughter | — | Florida |
| 45 | Hilda Jane Ure | 5 | Daughter | — | Florida |
| 46 | Clifford R. Marsh | 46 | Head | Contractor | Arkansas |
| 47 | Beverly E. Marsh | 24 | Wife | — | Florida |
| 48 | Nellie Mae Marsh | 15 | Daughter | — | Florida |
| 49 | Elsie M. Marsh | 14 | Daughter | — | Florida |
| 50 | Dawson E. Marsh | 13 | Son | — | Florida |
| 51 | Virginia D. Marsh | 11 | Daughter | — | Florida |
| 52 | Dorothy J. Marsh | 9 | Daughter | — | Florida |
| 53 | Verle Mizzell | 36 | Head | Box Maker | Florida |
| 54 | Leona Mizzell | 30 | Wife | Cigar Maker | Illinois |
| 55 | Diana M. Mizzell | 5 | Daughter | — | Florida |
| 56 | Georgia M. Jenkins | 18 | Housekeeper | Housekeeper | Florida |
| 57 | Cecil H. Gattshall | 39 | Head | Sawyer | Ohio |
| 58 | Stella Gattshall | 38 | Wife | Agent Maker | Florida |
| 59 | Harold Gattshall | 18 | Son | — | Florida |
| 60 | Glenn Gattshall | 8 | Son | — | Florida |
| 61 | James A. Lawrence THIS PERSON | 36 | Head | Truck Driver | Florida |
| 62 | Carrie Lawrence | 30 | Wife | — | Florida |
| 63 | James A. Jr. Lawrence | 10 | Son | — | Florida |
| 64 | Betty Jean Lawrence | 7 | Daughter | — | Florida |
| 65 | Bertha Nicholas | 61 | Head | — | New Hampshire |
| 66 | Gus Nicholas | 20 | Son | Electric Welder | Massachusetts |
| 67 | Alvin Stewart | 47 | Head | Caretaker | Florida |
| 68 | Alice Stewart | 42 | Wife | — | Florida |
| 69 | Gerald Stewart | 13 | Son | — | Florida |
| 70 | Billy Stewart | 6 | Son | — | Florida |
| 71 | Elsie Stewart | 2 | Daughter | — | Florida |
| 72 | William P. Webber | 69 | Head | Collector | South Carolina |
| 73 | Riley F. Martin | 49 | Head | Carpenter | Alabama |
| 74 | Esther Martin | 47 | Wife | — | Alabama |
| 75 | Mary Lou Martin | 18 | Daughter | — | Florida |
| 76 | Esther Mae Martin | 13 | Daughter | — | Florida |
| 77 | Dorothy Ellen Martin | 11 | Daughter | — | Florida |
| 78 | Audry Lee Calhoun | 16 | Daughter | — | Florida |
| 79 | Luther D. Calhoun | 28 | Son-in-law | Cowboy | Florida |
| 80 | Riley F. Jr. Martin | 22 | Head | Laborer | Alabama |
Pedigree Summary
James
Gen 1 · 2 parents
~0.76
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)