MC
Mary Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oneida-County, New York
Our Model Tree links this Mary Clark across the 1920, 1930 and 1940 US Censuses in Oneida-County, New York (XGBoost, ~Confirmed), with identified parents Frank & Francis — first a daughter (b.~1910), then head of a 2-person household.
Age 30
b. ~1910
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oneida-County, New York |
| Surname | Clark |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Utica City |
| 1935 Residence (County) | Oneida |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Utica City |
| Est. Birth Year | ~1910 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Clark | Daughter | — | 30 | ~1910 |
| Mary Clark | Head | — | 67 | ~1873 |
Census Appearances
1920
Oneida, New …
Daughter, age 10
Oneida, New York · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mary K. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Oneida, New …
Daughter, age 20
Oneida, New York · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Oneida-County, New …
Daughter, age 30
Oneida-County, New York · implied b. ~1910 — 2 household members
| Surname | Clark |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Utica City |
| 1935 Residence (County) | Oneida |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Clark (~0.92 confidence) and father Francis Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Clark
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Francis Clark
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Clark
Daughter · 1940 · age 30 · b. ~1910 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Oneida-County, New York
Open full size
1940 US Federal Census — Oneida-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02861-00883)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mildred Potocki | 33 | daughter | — | New York |
| 42 | Alfonso Potocki | 32 | son | Plumber | New York |
| 43 | Jeanette Potocki | 30 | daughter | Operator | New York |
| 44 | Harriet Potocki | 28 | daughter | Stenographer | New York |
| 45 | Leona Potocki | 23 | daughter | Operator | New York |
| 46 | Florence Potocki | 19 | daughter | — | New York |
| 47 | Sigmund Potocki | 16 | son | — | New York |
| 48 | Joseph Potocki | 35 | son | Weaver | New York |
| 49 | Eda Lyman | 50 | Head | — | New York |
| 50 | Leo Soule | 47 | Head | Owner | Connecticut |
| 51 | Hazel Soule | 35 | wife | — | New York |
| 52 | Mary Clark | 67 | Head | Owner | New York |
| 53 | Mary C. Clark THIS PERSON | 30 | Daughter | — | New York |
| 54 | Elliott Evans | 23 | Head | Designer | New York |
| 55 | Clara Evans | 22 | wife | — | New York |
| 56 | Elliott Evans | 2 | Son | — | New York |
| 57 | Francis Plett | 25 | Head | Assembler | New York |
| 58 | Dorothy Plett | 24 | wife | — | New York |
| 59 | Infant Francis Plett | 0 | Son | — | New York |
| 60 | Chester Palenick | 22 | Head | Moulder | New York |
| 61 | Alma Palenick | 23 | wife | — | New York |
| 62 | Daniel Marino | 29 | Head | Welder | New York |
| 63 | June Marino | 22 | wife | Nurse | New York |
| 64 | Frank Knowles | 55 | Head | Sales Manager | New York |
| 65 | Mary Knowles | 56 | wife | — | New York |
| 66 | Arthur Scholich | 63 | Head | Foreman | California |
| 67 | Matilda Scholich | 57 | wife | — | New York |
| 68 | Anna Arnold | 82 | wife's mother | — | New York |
| 69 | Lawrence Beer | 36 | Head | Gas Stat Att | New York |
| 70 | Mary Beer | 33 | wife | Operator | New York |
| 71 | Charles Maher | 55 | Uncle | House Man | New York |
| 72 | Frank Coyne | 58 | Head | Mechanic | New York |
| 73 | Lettie Coyne | 57 | wife | — | New York |
| 74 | Francis Coyne | 28 | Son | Laborer | New York |
| 75 | Raymond Coyne | 22 | Son | Chauffeur | New York |
| 76 | Richard Broedel | 43 | Head | Repairman | Germany |
| 77 | Dora Broedel | 43 | wife | — | England |
| 78 | Clara May Broedel | 13 | Daughter | — | New York |
| 79 | Mabel Shaughnessy | 62 | Head | — | New York |
| 80 | Theresa Maxwell | 83 | Mother | — | New York |
Pedigree Summary
Mary
Gen 1 · 4 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)