MS
Mary Snow — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Mary Snow across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 8-person household.
Age 36
b. ~1904
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Snow |
| Given Name | Mary P. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Unincorporated place Mc Calla |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Unincorporated Place Mc Calla |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Snow | Son | — | 9 | ~1931 |
| Mary Snow | Daughter | — | 13 | ~1927 |
| Hattie Snow | Daughter | — | 17 | ~1923 |
| Herbert Snow | Son | — | 14 | ~1926 |
| Daniel Snow | Head | — | 44 | ~1896 |
| Mary Snow | Spouse | — | 36 | ~1904 |
| Clara Snow | Daughter | — | 15 | ~1925 |
| H Driskell | Other | — | 70 | ~1870 |
Census Appearances
1930
Jefferson, Alabama
Other, age 25
Jefferson, Alabama · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snow |
| Given Name | Mary B. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 19 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Spouse, age 36
Jefferson-County, Alabama · implied b. ~1904 — 8 household members
| Surname | Snow |
| Given Name | Mary P. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Unincorporated place Mc Calla |
| 1935 Residence (County) | Jefferson |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Snow across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Snow
Spouse · 1940 · age 36 · b. ~1904 · Alabama
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00042-00042)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mason R. Russell | 27 | Son | Miner | Alabama |
| 42 | Ada P. Russell | 21 | Daughter | — | Alabama |
| 43 | A. Velpeau Russell | 16 | Son | Laborer | Alabama |
| 44 | Daniel L. Snow | 47 | Head | Tester | Alabama |
| 45 | Indie N. Snow | 42 | Wife | — | Alabama |
| 46 | J. Earl Snow | 18 | Son | Farmer | Alabama |
| 47 | Velma N. Snow | 16 | Daughter | — | Alabama |
| 48 | Cleon N. Snow | 14 | Son | — | Alabama |
| 49 | W. Hugh Snow | 8 | Son | — | Alabama |
| 50 | Jimmie W. Snow | 5 | Son | — | Alabama |
| 51 | Daniel Paul Snow | 44 | Head | Miner | Alabama |
| 52 | Mary P. Snow THIS PERSON | 36 | Wife | — | Alabama |
| 53 | Hattie B. Snow | 17 | Daughter | — | Alabama |
| 54 | Clara J. Snow | 15 | Daughter | — | Alabama |
| 55 | Herbert Snow | 14 | Son | — | Alabama |
| 56 | Mary Frances Snow | 13 | Daughter | — | Alabama |
| 57 | Charles A. Snow | 9 | Son | — | Alabama |
| 58 | H. Neely Driskell | 70 | Brother-in-law | — | Alabama |
| 59 | D. Columbus Russell | 43 | Head | Moulder | Alabama |
| 60 | Myrtle I. Russell | 35 | Wife | — | Alabama |
| 61 | Hiram P. Russell | 15 | Son | Laborer | Alabama |
| 62 | Eugene N. Russell | 11 | Son | — | Alabama |
| 63 | Edith F. Russell | 8 | Daughter | — | Alabama |
| 64 | Sarah M. Wood | 56 | Head | — | Alabama |
| 65 | Mamie C. Reese | 62 | Sister | — | Alabama |
| 66 | John O. Yearwood | 66 | Head | Farmer | Alabama |
| 67 | Ida B. Yearwood | 45 | Wife | — | Alabama |
| 68 | R. Fred Yearwood | 33 | Son | — | Alabama |
| 69 | Raymond D. Yearwood | 21 | Son | Timber Boy | Alabama |
| 70 | Freda S. Yearwood | 17 | Daughter | — | Alabama |
| 71 | Cora S. Vining | 56 | Wife | — | Alabama |
| 72 | John P. Vining | 63 | Head | 7 | Alabama |
| 73 | Harvey Brasher | 26 | Head | Haulage | Alabama |
| 74 | Cassie F. Brasher | 26 | Wife | — | Alabama |
| 75 | Billy J. Brasher | 5 | Son | — | Alabama |
| 76 | Johnnie E. Brasher | 1 | Son | — | Alabama |
| 77 | John H. Yearwood | 60 | Head | Farmer | Alabama |
| 78 | Ruby G. Yearwood | 57 | Wife | — | Alabama |
| 79 | Palmer H. Yearwood | 20 | Son | — | Alabama |
| 80 | Sara Yearwood | 15 | Daughter | — | Alabama |
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)