JL
James Lawrence — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this James Lawrence across the 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Male
Son
Born: Arizona
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Lawrence |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | C.S.D. #2 Section 12 |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 88 |
| Highest Grade | H 3 |
| 1935 Residence | Same home |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Laborer |
| Township / Ward | Csd 2 Section 12 |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Eleonora Lawrence | Daughter | — | 5 | ~1935 |
| Pearl Lawrence | Daughter | — | 6 | ~1934 |
| Myrtle Lawrence | Daughter | — | 8 | ~1932 |
| Anna Lawrence | Daughter | — | 16 | ~1924 |
| Walter Lawrence | Head | — | 52 | ~1888 |
| Martin Lawrence | Son | — | ~1940 | |
| Roy Lawrence | Son | — | 2 | ~1938 |
| James Lawrence | Son | — | 18 | ~1922 |
| Fred Lawrence | Son | — | 9 | ~1931 |
| William Lawrence | Son | — | 14 | ~1926 |
| Mamie Lawrence | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Maricopa, Arizona
Son, age 7
Maricopa, Arizona · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Texas |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Son, age 18
Maricopa-County, Arizona · implied b. ~1922 — 11 household members
| Surname | Lawrence |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | C.S.D. #2 Section 12 |
| 1935 Residence (County) | Maricopa |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 88 |
| Highest Grade | H 3 |
| 1935 Residence | Same home |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Lawrence
Son · 1940 · age 18 · b. ~1922 · Arizona
★ You are viewing this record
Sibling
Pearl Lawrence
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Lawrence
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Lawrence
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Lawrence
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lawrence
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Lawrence
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Lawrence
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleonora Lawrence
Sibling · 1940 · age 5
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 — Maricopa-County, Arizona
Open full size
1940 US Federal Census — Maricopa-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00107-00600)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Lopez | 40 | Head | Laborer | Mexico |
| 2 | Maria D Lopez | 33 | Wife | — | Mexico |
| 3 | Maria H Lopez | 14 | Daughter | — | Arizona |
| 4 | Jesus Jr. Lopez | 10 | Son | — | Arizona |
| 5 | Genoveva Lopez | 7 | Daughter | — | Arizona |
| 6 | Olga Lopez | 4 | Daughter | — | Arizona |
| 7 | Arnulfo Lopez | 1 | Son | — | Arizona |
| 8 | Walter J Lawrence | 52 | Head | Farmer | Illinois |
| 9 | Mamie Belle Lawrence | 42 | Wife | — | Texas |
| 10 | James W Lawrence THIS PERSON | 18 | Son | Laborer | Arizona |
| 11 | Anna M Lawrence | 16 | Daughter | — | Arizona |
| 12 | William H Lawrence | 14 | Son | — | Arizona |
| 13 | Fred E Lawrence | 9 | Son | — | Arizona |
| 14 | Myrtle P. Lawrence | 8 | Daughter | — | Arizona |
| 15 | Pearl B. Lawrence | 6 | Daughter | — | Arizona |
| 16 | Eleonora L. Lawrence | 5 | Daughter | — | Arizona |
| 17 | Roy Lawrence | 2 | Son | — | Arizona |
| 18 | Martin P. Lawrence | 0 | Son | — | Arizona |
| 19 | Lee J. Alewine | 58 | Head | Farming | Arkansas |
| 20 | Ella Alewine | 59 | Wife | — | Arkansas |
| 21 | Thomas W Sloan | 38 | Head | Dairy Farming | Tennessee |
| 22 | Eleta Sloan | 30 | Wife | Cosmetician | Oklahoma |
| 23 | Doris Sloan | 12 | Daughter | — | Arizona |
| 24 | Vivian Sloan | 10 | Daughter | — | Arizona |
| 25 | Virginia Sloan | 5 | Daughter | — | Arizona |
| 26 | Walter D. Spear | 59 | Head | Carpenter | Georgia |
| 27 | Viola Zell Spear | 50 | Wife | — | Missouri |
| 28 | Alice E. D. Spear | 15 | Daughter | — | Arizona |
| 29 | Lucy Spear | 12 | Daughter | — | Arizona |
| 30 | Nelson J Spillins | 67 | Head | — | Texas |
| 31 | Mattie S Spillins | 63 | Wife | — | Texas |
| 32 | Trueman Spillins | 35 | Son | Mining | New Mexico |
| 33 | Robby Spillins | 26 | Son | Miner | New Mexico |
| 34 | Pearl Spillins | 21 | Daughter | — | New Mexico |
| 35 | Ralph Spillins | 28 | Son | Ranch Hand | New Mexico |
| 36 | Nathan Riley Pruitt | 29 | Head | Milker | Oklahoma |
| 37 | Rosie Pruitt | 27 | Wife | — | Oklahoma |
| 38 | Burl Pruitt | 7 | Son | — | Oklahoma |
| 39 | Calene Pruitt | 5 | Daughter | — | Oklahoma |
| 40 | Bedford Pruitt | 3 | Son | — | Oklahoma |
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)