MG
Mary Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tuscaloosa-County, Alabama
Our Model Tree links this Mary Griffin across the 1930 and 1940 US Censuses in Tuscaloosa-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 13-person household.
Age 13
b. ~1927
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tuscaloosa-County, Alabama |
| Surname | Griffin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Tuscaloosa |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 13 |
| Est. Birth Year | ~1927 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Griffin | Daughter | — | 13 | ~1927 |
| Mittie Griffin | Daughter | — | 2 | ~1938 |
| Ethel Griffin | Daughter | — | ~1940 | |
| Louise Griffin | Daughter | — | 7 | ~1933 |
| Edna Griffin | Daughter | — | 9 | ~1931 |
| Clara Griffin | Daughter | — | 5 | ~1935 |
| Pearie Griffin | Head | — | 41 | ~1899 |
| Annie Griffin | Other | — | 66 | ~1874 |
| Rossian Griffin | Son | — | 8 | ~1932 |
| Frank Griffin | Son | — | 15 | ~1925 |
| Willie Griffin | Son | — | 12 | ~1928 |
| Robert Griffin | Son | — | 17 | ~1923 |
| Rosa Griffin | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Tuscaloosa, Alabama
Daughter, age 4
Tuscaloosa, Alabama · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Tuscaloosa-County, Alabama
Daughter, age 13
Tuscaloosa-County, Alabama · implied b. ~1927 — 13 household members
| Surname | Griffin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Tuscaloosa |
| Highest Grade | H 2 |
| 1935 Residence | Alabama |
| 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 Griffin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Griffin
Daughter · 1940 · age 13 · b. ~1927 · Alabama
★ You are viewing this record
Sibling
Edna Griffin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Griffin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Griffin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Griffin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rossian Griffin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Griffin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mittie Griffin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Griffin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Griffin
Sibling · 1940 · age
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-t0627-00084-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Idall Ray | 39 | Wife | — | Alabama |
| 42 | Franklin Ray | 6 | Son | — | Alabama |
| 43 | Carson L. Cooley | 29 | Head | Miner | Alabama |
| 44 | Berta Cooley | 22 | Wife | — | Alabama |
| 45 | Lorine Cooley | 15 | Son | — | Alabama |
| 46 | Lorine Cooley | 5 | Daughter | — | Alabama |
| 47 | Elna Cooley | 3 | Daughter | — | Alabama |
| 48 | Simpson Boyd | 65 | Head | Trucking | Alabama |
| 49 | Lorene Boyd | 66 | Wife | — | Alabama |
| 50 | Perry Jerigham | 26 | Head | Farmer | Alabama |
| 51 | Dell Jerigham | 19 | Wife | — | Alabama |
| 52 | Mary Jenkins | 60 | Mother-in-law | — | Alabama |
| 53 | Eddie Williams | 35 | Friend | — | Alabama |
| 54 | Pearie Griffin | 41 | Head | Laborer | Alabama |
| 55 | Rosa Griffin | 33 | Wife | — | Alabama |
| 56 | Robert Griffin | 17 | Son | Laborer Truck | Alabama |
| 57 | Frank Griffin | 15 | Son | Laborer | Alabama |
| 58 | Mary Griffin THIS PERSON | 13 | Daughter | — | Alabama |
| 59 | Willie Griffin | 12 | Son | — | Alabama |
| 60 | Edna Griffin | 9 | Daughter | — | Alabama |
| 61 | Rossian Griffin | 8 | Son | — | Alabama |
| 62 | Louise Griffin | 7 | Daughter | — | Alabama |
| 63 | Clara Griffin | 5 | Daughter | — | Alabama |
| 64 | Mittie Griffin | 2 | Daughter | — | Alabama |
| 65 | Ethel Griffin | 0 | Daughter | — | Alabama |
| 66 | Annie Griffin | 66 | Mother | — | Alabama |
| 67 | Festus Weaver | 49 | Head | Miner | Alabama |
| 68 | Lola Weaver | 31 | Wife | — | Alabama |
| 69 | Erline Weaver | 14 | Daughter | — | Alabama |
| 70 | Festus Weaver | 10 | Son | — | Alabama |
| 71 | Mollie Weaver | 8 | Daughter | — | Alabama |
| 72 | Jack Weaver | 7 | Son | — | Alabama |
| 73 | Amer Weaver | 5 | Son | — | Alabama |
| 74 | Janette Weaver | 2 | Daughter | — | Alabama |
| 75 | John W. Kyzer | 62 | Head | Farmer | Alabama |
| 76 | Gerrylee Kyzer | 58 | Wife | — | Alabama |
| 77 | Lassid Kyzer | 24 | Head | Laborer | Alabama |
| 78 | Joais Kyzer | 19 | Wife | — | Alabama |
| 79 | Will G. Kyzer | 33 | Head | Laborer | Alabama |
| 80 | Annie Kyzer | 31 | Wife | — | Alabama |
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)