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Mary Lawrence — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tuscaloosa-County, Alabama
Our Model Tree links this Mary Lawrence across the 1920, 1930 and 1940 US Censuses in Tuscaloosa-County, Alabama (XGBoost, ~Confirmed), with identified parents Coleman & Johnnie — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tuscaloosa-County, Alabama |
| Surname | Lawrence |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Prec. 23, Mitchells |
| 1935 Residence (County) | Tuscaloosa |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Prec 23 Mitchells |
| Est. Birth Year | ~1919 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Viola Lawrence | Daughter | — | 19 | ~1921 |
| Mary Lawrence | Daughter | — | 21 | ~1919 |
| Solomon Lawrence | Head | — | 61 | ~1879 |
| Victor Shirley | Other | — | 28 | ~1912 |
| Devie Lawrence | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Tuscaloosa, Alabama
Daughter, age
Tuscaloosa, Alabama · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Tuscaloosa, Alabama
Daughter, age 10
Tuscaloosa, Alabama · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Tuscaloosa-County, Alabama
Daughter, age 21
Tuscaloosa-County, Alabama · implied b. ~1919 — 5 household members
| Surname | Lawrence |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Prec. 23, Mitchells |
| 1935 Residence (County) | Tuscaloosa |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Mary Lawrence across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Coleman Lawrence (~0.92 confidence) and father Johnnie Lawrence (~0.92 confidence) and father Solomon Lawrence (~0.92 confidence) and mother Devie Lawrence (~0.92 confidence) and mother Lonie Lawrence (~0.92 confidence) and mother Viola Lawrence (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Coleman Lawrence
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Johnnie Lawrence
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Solomon Lawrence
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Devie Lawrence
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Lonie Lawrence
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Viola Lawrence
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lawrence
Daughter · 1940 · age 21 · b. ~1919 · Alabama
★ You are viewing this record
Sibling
Viola Lawrence
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 — Tuscaloosa-County, Alabama
Open full size
1940 US Federal Census — Tuscaloosa-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00085-00853)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jinnie S Taylor | 12 | Son | — | Alabama |
| 2 | Lola Jones | 62 | Head | — | Alabama |
| 3 | Lawton Jones | 33 | Son | Farmer | Alabama |
| 4 | Rush Jones | 23 | Son | Farmer | Alabama |
| 5 | Obe Turner | 25 | Head | Truck Driver | Alabama |
| 6 | Lorene Turner | 23 | Wife | — | Alabama |
| 7 | Bobbie Dean Turner | 1 | Daughter | — | Alabama |
| 8 | George Tierce | 40 | Head | Truck Driver | Alabama |
| 9 | Myrtis Tierce | 28 | Wife | Sawyer | Alabama |
| 10 | Howard R Townsend | 51 | Head | Block Setter | Alabama |
| 11 | Sara M Townsend | 41 | Wife | Block Setter | Alabama |
| 12 | Lester M Townsend | 21 | Son | Laborer | Alabama |
| 13 | Inez M Townsend | 17 | Daughter | — | Alabama |
| 14 | Hester J Townsend | 15 | Son | — | Alabama |
| 15 | Victor L Townsend | 13 | Son | — | Alabama |
| 16 | Delbert D Townsend | 11 | Son | — | Alabama |
| 17 | James E Townsend | 7 | Son | — | Alabama |
| 18 | J T Townsend | 5 | Son | — | Alabama |
| 19 | Pattie B Townsend | 5 | Son | — | Alabama |
| 20 | Frances R Townsend | 2 | Daughter | — | Alabama |
| 21 | Wesley Kizziah | 42 | Boarder | Trip Stake | Alabama |
| 22 | Willard R Tierce | 39 | Head | Farmer | Alabama |
| 23 | Flora Tierce | 38 | Wife | — | Alabama |
| 24 | Margaret Tierce | 12 | Daughter | — | Alabama |
| 25 | Soleman L Tierce | 10 | Son | — | Alabama |
| 26 | Roger M Tierce | 2 | Son | — | Alabama |
| 27 | Newbern L Snider | 48 | Lodger | — | Alabama |
| 28 | Solomon L Lawrence | 61 | Head | Farmer | Alabama |
| 29 | Devie V Lawrence | 58 | Wife | — | Alabama |
| 30 | Mary L Lawrence THIS PERSON | 21 | Daughter | — | Alabama |
| 31 | Viola Lawrence | 19 | Daughter | — | Alabama |
| 32 | Victor E Shirley | 28 | Boarder | — | Alabama |
| 33 | James P Watkins | 58 | Head | Farmer | Alabama |
| 34 | Ola Watkins | 58 | Wife | — | Alabama |
| 35 | Hezek Christian | 43 | Head | Farmer | Alabama |
| 36 | Katie R Christian | 32 | Wife | — | Alabama |
| 37 | Juanita Christian | 14 | Daughter | — | Alabama |
| 38 | William Christian | 12 | Son | — | Alabama |
| 39 | Sadie L Lewis | 43 | Head | — | Alabama |
| 40 | Leroy G Lewis | 17 | Son | Laborer C.C.C. | Alabama |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 6 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)