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Mary May — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Columbia-County, Pennsylvania
Our Model Tree links this Mary May across the 1920, 1930 and 1940 US Censuses in Columbia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 11-person household.
Age 45
b. ~1895
Female
Spouse
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbia-County, Pennsylvania |
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Centralia |
| 1935 Residence (County) | Columbia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Township / Ward | Centralia |
| Est. Birth Year | ~1895 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Shirley May | Daughter | — | 3 | ~1937 |
| Elizabeth May | Daughter | — | 8 | ~1932 |
| Helen May | Daughter | — | 10 | ~1930 |
| Frank May | Head | — | 50 | ~1890 |
| Edward May | Son | — | 28 | ~1912 |
| Francis May | Son | — | 21 | ~1919 |
| Stanley May | Son | — | 19 | ~1921 |
| Charles May | Son | — | 25 | ~1915 |
| John May | Son | — | 17 | ~1923 |
| Leonard May | Son | — | 23 | ~1917 |
| Mary May | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Columbia, Pennsylvania
Spouse, age 25
Columbia, Pennsylvania · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1912 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | No |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Columbia, Pennsylvania
Spouse, age 36
Columbia, Pennsylvania · implied b. ~1894 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 17 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Veteran | No |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Columbia-County, Pennsylvania
Spouse, age 45
Columbia-County, Pennsylvania · implied b. ~1895 — 11 household members
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Centralia |
| 1935 Residence (County) | Columbia |
| Naturalization Status | Naturalized |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| 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 45 · b. ~1895 · Pennsylvania
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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 — Columbia-County, Pennsylvania
Open full size
1940 US Federal Census — Columbia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03474-00128)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Kane | 34 | Head | Truck Driver | Pennsylvania |
| 2 | Helen Kane | 25 | Wife | — | Pennsylvania |
| 3 | Thomas Kane | 2 | Son | — | Pennsylvania |
| 4 | Raymond Kane | 1 | Son | — | Pennsylvania |
| 5 | Julia Lobster | 50 | Head | — | Lithuania |
| 6 | Peter Peter | 27 | Son | Miner | Pennsylvania |
| 7 | Martha (X) Peter | 26 | Daughter-in-law | Cigar Maker | Pennsylvania |
| 8 | Charles Brick | 29 | Head | Laborer | Pennsylvania |
| 9 | Stella Brick | 21 | Wife | — | Pennsylvania |
| 10 | Louise Brick | 3 | Daughter | — | Pennsylvania |
| 11 | John May | 50 | Head | Miner | Poland |
| 12 | Emma May | 33 | Wife | — | Pennsylvania |
| 13 | John May | 13 | Son | — | Pennsylvania |
| 14 | Edward May | 12 | Son | — | Pennsylvania |
| 15 | Rose Mary May | 9 | Daughter | — | Pennsylvania |
| 16 | Leonard May | 6 | Son | — | Pennsylvania |
| 17 | Joseph May | 5 | Son | — | Pennsylvania |
| 18 | Anna Karlock | 66 | Head | — | Austria |
| 19 | Irene Eva Karlock | 21 | Daughter | — | Pennsylvania |
| 20 | James Dobler | 51 | Boarder | Labor | Austria |
| 21 | Sonya Dobler | 12 | Daughter | — | Pennsylvania |
| 22 | Stanley Kurlock | 36 | Head | Labor | Pennsylvania |
| 23 | Helen Kurlock | 29 | Wife | — | Pennsylvania |
| 24 | Catherine Kurlock | 5 | Daughter | — | Pennsylvania |
| 25 | Marie Kurlock | 2 | Daughter | — | Pennsylvania |
| 26 | Joseph Tighe | 28 | Head | Labor | Pennsylvania |
| 27 | Dorothy Tighe | 24 | Wife | — | Pennsylvania |
| 28 | Margaret Tighe | 1 | Daughter | — | Pennsylvania |
| 29 | Frank May | 50 | Head | Proprietor | Poland |
| 30 | Mary May THIS PERSON | 45 | Wife | — | Poland |
| 31 | Edward May | 28 | Son | Truck Driver | Pennsylvania |
| 32 | Charles May | 25 | Son | Labor | Pennsylvania |
| 33 | Leonard May | 23 | Son | Labor | Pennsylvania |
| 34 | Francis May | 21 | Son | New Worker | Pennsylvania |
| 35 | Stanley May | 19 | Son | — | Pennsylvania |
| 36 | John May | 17 | Son | — | Pennsylvania |
| 37 | Helen May | 10 | Daughter | — | Pennsylvania |
| 38 | Elizabeth May | 8 | Daughter | — | Pennsylvania |
| 39 | Shirley May | 3 | Daughter | — | Pennsylvania |
| 40 | Roy F Lee | 40 | Head | Agent | Pennsylvania |
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)