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Mary May — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Mary May across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harvey & Gertrude — first a daughter (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Outlet |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Outlet |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lilly May | Daughter | — | 6 | ~1934 |
| Goldie May | Daughter | — | 2 | ~1938 |
| Mary May | Daughter | — | 21 | ~1919 |
| Lava May | Daughter | — | 12 | ~1928 |
| Iris May | Daughter | — | 8 | ~1932 |
| Shirley May | Daughter | — | 4 | ~1936 |
| Ethel May | Daughter | — | 10 | ~1930 |
| Harvey May | Head | — | 52 | ~1888 |
| George May | Son | — | 16 | ~1924 |
| Gertrude May | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Luzerne, Pennsylvania
Daughter, age 1
Luzerne, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Other, age 11
Luzerne, Pennsylvania · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary A |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Daughter, age 21
Luzerne-County, Pennsylvania · implied b. ~1919 — 10 household members
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Outlet |
| 1935 Residence (County) | Luzerne |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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. Identified parents: father Harvey May (~0.92 confidence) and mother Gertrude May (~0.92 confidence) and mother Gertrude May (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harvey May
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Gertrude May
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Gertrude May
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary May
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Goldie May
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel May
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley May
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Iris May
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilly May
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George May
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lava May
Sibling · 1940 · age 12
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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03555-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jacob Hummel | 31 | Head | Laborer | Pennsylvania |
| 42 | Gertie B. Hummel | 30 | Wife | — | Pennsylvania |
| 43 | Leland Hummel | 9 | Son | — | Pennsylvania |
| 44 | Harvey Hummel | 2 | Son | — | Pennsylvania |
| 45 | Clarence Hebron | 56 | Head | Advertising Agent | New York |
| 46 | Lillian Hebron | 20 | Daughter | — | Pennsylvania |
| 47 | Henry Sr. Fisher | 50 | Head | Laborer | Pennsylvania |
| 48 | Estella Fisher | 47 | Wife | — | Pennsylvania |
| 49 | William Fisher | 16 | Son | — | Pennsylvania |
| 50 | Clarence Jr. Hebron | 22 | Head | New Worker | Pennsylvania |
| 51 | George Hummel | 38 | Head | Laborer | Pennsylvania |
| 52 | Martha Hummel | 38 | Wife | — | Pennsylvania |
| 53 | Ida Grey | 48 | Head | Farmer | Pennsylvania |
| 54 | Charles Bush | 50 | Boarder | Farmer | Pennsylvania |
| 55 | Benjamin Winters | 61 | Head | — | Pennsylvania |
| 56 | Clarence Grey | 50 | Head | Automobile Mechanic | Pennsylvania |
| 57 | Margaret Grey | 32 | Wife | Poultry | Pennsylvania |
| 58 | Robert Grey | 7 | Son | — | Pennsylvania |
| 59 | Doris Grey | 5 | Daughter | — | Pennsylvania |
| 60 | Harvey May | 52 | Head | Automobile Mechanic | Pennsylvania |
| 61 | Gertrude May | 41 | Wife | — | Pennsylvania |
| 62 | Mary May THIS PERSON | 21 | Daughter | — | Pennsylvania |
| 63 | George May | 16 | Son | — | Pennsylvania |
| 64 | Lava May | 12 | Daughter | — | Pennsylvania |
| 65 | Ethel May | 10 | Daughter | — | Pennsylvania |
| 66 | Iris May | 8 | Daughter | — | Pennsylvania |
| 67 | Lilly May | 6 | Daughter | — | Pennsylvania |
| 68 | Shirley May | 4 | Daughter | — | Pennsylvania |
| 69 | Goldie May | 2 | Daughter | — | Pennsylvania |
| 70 | Charles Anderson | 62 | Head | Laborer | Pennsylvania |
| 71 | Gertrude Anderson | 49 | Wife | — | Pennsylvania |
| 72 | Marion Mcneil | 17 | Heir | — | Pennsylvania |
| 73 | Ruth Mcneil | 14 | Heir | — | Pennsylvania |
| 74 | Bruce Crispell | 49 | Head | Bus Driver | Pennsylvania |
| 75 | Gertrude Crispell | 49 | Wife | — | Pennsylvania |
| 76 | Hillard Crispell | 24 | Son | Laborer | Pennsylvania |
| 77 | Arlene Crispell | 15 | Daughter | — | Pennsylvania |
| 78 | Erma Crispell | 7 | Daughter | — | Pennsylvania |
| 79 | Sydney Fredericks | 56 | Head | Laborer | Pennsylvania |
| 80 | Beatrice Fredericks | 46 | Wife | — | Pennsylvania |
Pedigree Summary
Mary + 7 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)