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Mary May — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tuscaloosa-County, Alabama
Our Model Tree links this Mary May across the 1920, 1930 and 1940 US Censuses in Tuscaloosa-County, Alabama (XGBoost, ~Confirmed), with identified parents William & Lila — first a daughter (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Female
Daughter
Born: Alabama
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Tuscaloosa-County, Alabama |
| Surname | May |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Separated |
| Birthplace | Alabama |
| 1935 Residence (City) | Holt Town |
| 1935 Residence (County) | Tuscaloosa |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Holt Town |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lois May | Daughter | — | 14 | ~1926 |
| Mary May | Daughter | — | 14 | ~1926 |
| Mary May | Daughter | — | 18 | ~1922 |
| Will May | Head | — | 40 | ~1900 |
| Will May | Son | — | 16 | ~1924 |
| Lila May | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Tuscaloosa, Alabama
Daughter, age
Tuscaloosa, Alabama · implied b. ~1920 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Tuscaloosa, Alabama
Daughter, age 10
Tuscaloosa, Alabama · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Tuscaloosa-County, Alabama
Daughter, age 18
Tuscaloosa-County, Alabama · implied b. ~1922 — 6 household members
| Surname | May |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Separated |
| Birthplace | Alabama |
| 1935 Residence (City) | Holt Town |
| 1935 Residence (County) | Tuscaloosa |
| Industry | 0 |
| Highest Grade | Hs 3 |
| 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 May across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William May (~0.92 confidence) and mother Lila May (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William May
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Lila May
b. ~1908
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary May
Daughter · 1940 · age 18 · b. ~1922 · Alabama
★ You are viewing this record
Sibling
Lois May
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Will May
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary May
Sibling · 1940 · age 14
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-t0627-00084-00645)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Hunter | 35 | Head | Laborer | Alabama |
| 2 | Lucy D Hunter | 30 | Wife | — | Alabama |
| 3 | Bennie Mason | 30 | Head | Laborer | Alabama |
| 4 | Bessie Mason | 31 | Wife | — | Alabama |
| 5 | Bennie Mason | 2 | Daughter | — | Alabama |
| 6 | Charlie Rosa | 42 | Head | Laborer | Alabama |
| 7 | Mary V Rosa | 34 | Wife | Cook | Alabama |
| 8 | Georgia M Rosa | 12 | Daughter | — | Alabama |
| 9 | Christine Rosa | 8 | Daughter | — | Alabama |
| 10 | Willie L Rosa | 5 | Daughter | — | Alabama |
| 11 | Fletcher Mosley | 43 | Head | Core Carrier | Georgia |
| 12 | Rosa L Mosley | 35 | Wife | — | Alabama |
| 13 | Tina Mumbo | 49 | Head | — | Alabama |
| 14 | Willie Brown | 31 | Son | Laborer | Alabama |
| 15 | Polly Ann Steel | 22 | Daughter | Cook | Alabama |
| 16 | Frank Heming | 34 | Head | Shakeout | Alabama |
| 17 | Phoebe Heming | 22 | Wife | — | Alabama |
| 18 | Katherine Heming | 6 | Daughter | — | Alabama |
| 19 | Mary Lee Heming | 5 | Daughter | — | Alabama |
| 20 | Olivia Heming | 1 | Daughter | — | Alabama |
| 21 | Lila Payne | 44 | Head | Laborer | Alabama |
| 22 | John Williams | 16 | Son | — | Alabama |
| 23 | Aquilla Williams | 15 | Son | — | Alabama |
| 24 | Lula Williams | 11 | Daughter | — | Alabama |
| 25 | George May | 54 | Head | Laborer | Alabama |
| 26 | Callie May | 45 | Wife | — | Alabama |
| 27 | E Lon Gregory | 27 | Head | Laborer | Alabama |
| 28 | Julia Gregory | 23 | Wife | — | Alabama |
| 29 | Alna Gregory | 2 | Daughter | — | Alabama |
| 30 | Mary Willis | 40 | Sister | — | Alabama |
| 31 | Jim Washington | 42 | Head | Fireman | Alabama |
| 32 | Carrie Washington | 33 | Wife | — | Alabama |
| 33 | Janie Hubbard | 67 | Mother | — | Alabama |
| 34 | Clarence Hines | 6 | Lodger | — | Alabama |
| 35 | Will May | 40 | Head | Core Maker | Alabama |
| 36 | Lila May | 32 | Wife | — | Alabama |
| 37 | Mary M May THIS PERSON | 18 | Daughter | — | Alabama |
| 38 | Will Jr May | 16 | Son | — | Alabama |
| 39 | Mary Ella May | 14 | Daughter | — | Alabama |
| 40 | Lois Ella May | 14 | Daughter | — | Alabama |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 2 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)