MS
Mary Snow — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Mary Snow across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Henry & Emma — first a daughter (b.~1897), then head of a 12-person household.
Age 43
b. ~1897
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Snow |
| Given Name | Mary Kathryn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Norwood City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 1349 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Teacher |
| Township / Ward | Norwood City |
| Est. Birth Year | ~1897 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edith Bartlett | Other | — | 20 | ~1920 |
| Mary Alexander | Daughter | — | 16 | ~1924 |
| Beulah Rex | Daughter | — | 32 | ~1908 |
| Hugh Alexander | Son | — | 19 | ~1921 |
| John Alexander | Son | — | 18 | ~1922 |
| Mary Snow | Daughter | — | 43 | ~1897 |
| William Gale | Son | — | 17 | ~1923 |
| Betty Hose | Daughter | — | 15 | ~1925 |
| Frances Rex | Head | — | 61 | ~1879 |
| Howard Sonnycalb | Son | — | 17 | ~1923 |
| Margaret Creech | Other | — | 33 | ~1907 |
| Larry Gale | Son | — | 19 | ~1921 |
Census Appearances
1920
Hamilton, Ohio
Daughter, age 23
Hamilton, Ohio · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snow |
| Given Name | Mary K |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Daughter, age 33
Hamilton, Ohio · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snow |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Daughter, age 43
Hamilton-County, Ohio · implied b. ~1897 — 12 household members
| Surname | Snow |
| Given Name | Mary Kathryn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Norwood City |
| 1935 Residence (County) | Hamilton |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 1349 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Snow (~0.92 confidence) and mother Emma Snow (~0.92 confidence) and mother Frances Rex (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Snow
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Emma Snow
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Frances Rex
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Snow
Daughter · 1940 · age 43 · b. ~1897 · Ohio
★ You are viewing this record
Sibling
Larry Gale
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beulah Rex
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Alexander
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Alexander
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Alexander
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Sonnycalb
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gale
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Hose
Sibling · 1940 · age 15
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-03078-00684)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Miller | 82 | lodger | 0 | Ohio |
| 2 | Mollie Newman | 84 | lodger | 0 | Ohio |
| 3 | Nella Mae Shaffer | 60 | housekeeper | Housekeeper | Ohio |
| 4 | Robert Ludwig | 19 | son | Waiter | Ohio |
| 5 | Marian Ludwig | 16 | daughter | 0 | Ohio |
| 6 | Joan Smith | 12 | daughter | 0 | Ohio |
| 7 | Gertrude Givin | 29 | daughter | Teacher | Ohio |
| 8 | Arthur Tharr | 56 | head | General Agent | Massachusetts |
| 9 | Amelia Bryant | 35 | housekeeper | Housekeeper | Massachusetts |
| 10 | Bernard Oldegering | 58 | head | Salesman | Ohio |
| 11 | Katherine Oldegering | 53 | wife | 0 | Ohio |
| 12 | Catherine Oldegering | 31 | daughter | Bookkeeper | Ohio |
| 13 | John Laur | 55 | lodger | Stationary Eng. | Ohio |
| 14 | Edward Montgomery | 40 | head | Truck Driver | Kentucky |
| 15 | Shirley Montgomery | 29 | wife | 0 | West Virginia |
| 16 | Nellie Vance | 17 | wife | 0 | Ohio |
| 17 | Victor Mcclelland | 25 | head | Trucker | Ohio |
| 18 | Virginia Mcclelland | 24 | wife | 0 | Michigan |
| 19 | Henry Howard | 8 | son | 0 | Kentucky |
| 20 | Dana Howard | 3 | son | 0 | Kentucky |
| 21 | Virginia Walker | 14 | daughter | 0 | Ohio |
| 22 | Frances Rex | 61 | head | Teacher | Missouri |
| 23 | Beulah Rex | 32 | daughter | 0 | Utah |
| 24 | Mary Kathryn Snow THIS PERSON | 43 | daughter | Teacher | Ohio |
| 25 | Margaret Creech | 33 | lodger | Stenographer | Ohio |
| 26 | Howard Sonnycalb | 17 | son | 0 | Ohio |
| 27 | Hugh Alexander | 19 | son | 0 | Kentucky |
| 28 | John Alexander | 18 | son | 0 | Kentucky |
| 29 | Mary Alexander | 16 | daughter | 0 | Kentucky |
| 30 | Betty Hose | 15 | daughter | 0 | Michigan |
| 31 | Larry Gale | 19 | son | 0 | Ohio |
| 32 | William Gale | 17 | son | 0 | Ohio |
| 33 | Edith Bartlett | 20 | lodger | Demonstrator | Massachusetts |
Pedigree Summary
Mary + 8 siblings
Gen 1 · 3 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)