MC
Mary Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Mary Cooper across the 1920, 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 3-person household.
Age 78
b. ~1862
Female
Head
Born: New York
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Cooper |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Rochester |
| Est. Birth Year | ~1862 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Victoria Wickle | Daughter | — | 56 | ~1884 |
| Mary Cooper | Head | — | 78 | ~1862 |
| Charles Wickle | Other | — | 57 | ~1883 |
Census Appearances
1920
Monroe, New …
Spouse, age 58
Monroe, New York · implied b. ~1862 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Monroe, New …
Other, age 68
Monroe, New York · implied b. ~1862 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Mary E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 28 |
| 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
Monroe-County, New …
Head, age 78
Monroe-County, New York · implied b. ~1862 — 3 household members
| Surname | Cooper |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cooper
Head · 1940 · age 78 · b. ~1862 · 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 — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02849-00638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mildred Sielaff | 23 | Daughter | Factory | New York |
| 2 | John G. Persun | 55 | Head | Transportation | Pennsylvania |
| 3 | Clara Persun | 52 | Wife | — | Pennsylvania |
| 4 | Walter J. Parker | 64 | Head | Operator | New York |
| 5 | Fanny M. Parker | 64 | Wife | — | New York |
| 6 | Edward M. Bankerwell | 45 | Head | Operator | England |
| 7 | Sausser Bankerwell | 40 | Wife | — | New York |
| 8 | Nellie Foster | 40 | Head | Teacher | New York |
| 9 | Leland Foster | 39 | Husband | Teacher | New York |
| 10 | Myra Russell | 24 | Sister | House | New York |
| 11 | Irene Russell | 14 | Niece | — | New York |
| 12 | Leo Carmody | 32 | Head | Mechanic | New York |
| 13 | Rita Carmody | 31 | Wife | — | New York |
| 14 | John Carmody | 2 | Son | — | New York |
| 15 | Mary Joan Carmody | 1 | Daughter | — | New York |
| 16 | David Bishops | 31 | Head | Engineer | New York |
| 17 | Grace Bishops | 31 | Wife | — | New York |
| 18 | Robert Eugene Bishops | 5 | Son | — | New York |
| 19 | James Timmons | 31 | Head | Engineer | New York |
| 20 | Marrell Timmons | 32 | Wife | — | New York |
| 21 | Samuel Mcclaren | 45 | Head | Electric Engnr | Pennsylvania |
| 22 | Margarette Mcclaren | 43 | Wife | — | Pennsylvania |
| 23 | May Cryger | 44 | Head | — | New York |
| 24 | Aline Cryger | 24 | Daughter | Dental | New York |
| 25 | Loyd Durant | 36 | Lodger | Brakeman | Minnesota |
| 26 | Roland Melhan | 25 | Lodger | Laborer | New York |
| 27 | Duane Melhan | 22 | Lodger | Messenger | New York |
| 28 | Mark Hickock | 25 | Lodger | — | New York |
| 29 | Paul Cummings | 38 | Head | Laborer | Pennsylvania |
| 30 | Annie Cummings | 32 | Wife | — | Scotland |
| 31 | Jane D. Cummings | 8 | Son | — | New York |
| 32 | John T. Cummings | 4 | Son | — | New York |
| 33 | Mary Cooper THIS PERSON | 78 | Head | — | New York |
| 34 | Victoria Wickle | 56 | Daughter | — | New York |
| 35 | Charles M. Wickle | 57 | Son in law | — | Vermont |
| 36 | Thomas Harding | 77 | Head | — | England |
| 37 | Gertrude Harding | 75 | Wife | — | New York |
| 38 | Eva B. Harding | 53 | Daughter | Clerk | New York |
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)