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Mary May — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Mary May across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
Female
Spouse
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Township / Ward | New York |
| Est. Birth Year | ~1891 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marjorie May | Daughter | — | 14 | ~1926 |
| Morris May | Head | — | 59 | ~1881 |
| Richard May | Son | — | 17 | ~1923 |
| Mary May | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Richmond, New …
Spouse, age 29
Richmond, New York · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Richmond, New …
Spouse, age 38
Richmond, New York · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1920 |
| Age at First Marriage | 20 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
New-York-County, New …
Spouse, age 49
New-York-County, New York · implied b. ~1891 — 4 household members
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | Naturalized |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 May across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary May
Spouse · 1940 · age 49 · b. ~1891 · New York
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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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02669-01016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morris May | 59 | Head | Salesman | Russia |
| 2 | Mary May THIS PERSON | 49 | Wife | — | Poland |
| 3 | Richard H. May | 17 | Son | Clerical | New York |
| 4 | Marjorie E. May | 14 | Daughter | — | New York |
| 5 | Walter Dorn | 57 | Head | Superintendent | New York |
| 6 | Mabel Dorn | 33 | Wife | Dressmaker | Penn |
| 7 | Charles Dorn | 14 | Son | — | New York |
| 8 | Walter Dorn | 15 | Son | — | New Jersey |
| 9 | Merrell Davis | 30 | Head | Fireman | Mass |
| 10 | John E. Wenger | 54 | Head | Salesman | Hungary |
| 11 | Bella Cohen | 34 | Cousin | Operator | Hungary |
| 12 | Lazarus Goldberg | 65 | Head | Salesman | Russia |
| 13 | Jennie D. Singer | 55 | Head | — | Rumania |
| 14 | Herbert D. Dickson | 51 | Head | Inspector | Florida |
| 15 | Helen Dickson | 40 | Wife | Reg. Nurse | Penn |
| 16 | Sarah D. Markowitz | 45 | Head | Teacher | Rumania |
| 17 | Katherine Kristianson | 70 | Head | — | Norway |
| 18 | Raymond P. Cummings | 52 | Head | Author | New York |
| 19 | Gabrielle Cummings | 45 | Wife | — | New York |
| 20 | Elizabeth Cummings | 14 | Daughter | — | Florida |
| 21 | Hyman D. Steinberg | 48 | Head | — | New York |
| 22 | Dora Berman | 23 | Sister | Clerk | New York |
| 23 | Joseph D. Freshgold | 56 | Head | Salesman | Russia |
| 24 | Vellena Freshgold | 19 | Daughter | Buyer | New York |
| 25 | Isidor D. Lind | 73 | Head | Salesman | Austria |
| 26 | Sarah Lind | 72 | Wife | — | Austria |
| 27 | Louis D. Sterling | 60 | Head | — | Poland |
| 28 | Irene D. Peterson | 43 | Head | Switchboard Operator | Vermont |
| 29 | Robert D. Silverman | 36 | Head | Salesman | New York |
| 30 | Ida D. Mershen | 55 | Head | — | Penn |
| 31 | Aaron Mershen | 22 | Son | — | New York |
| 32 | Sidney Mershen | 24 | Son | Clerk | New York |
| 33 | Max D. Bass | 58 | Head | Bartender | Poland |
| 34 | Clara Bass | 45 | Wife | — | New York |
| 35 | Sadie D. Berger | 62 | Head | — | Austria |
| 36 | Michael D. Delaney | 29 | Head | Cashier | Canada |
| 37 | Albert D. Pratt | 44 | Lodger | Salesman | Mass |
| 38 | Louis Babin | 34 | Lodger | Cook | Canada |
| 39 | Samuel D. Lehman | 27 | Head | Clerical | New York |
| 40 | Ruth Lehman | 20 | Wife | Clerical | 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)