WM
William May — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this William May across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents Arthur & Susan — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | May |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Occupation | Salesman |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 298 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Salesman |
| Township / Ward | New York |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lucille May | Daughter | — | 9 | ~1931 |
| William May | Head | — | 30 | ~1910 |
| Mary May | Spouse | — | 29 | ~1911 |
Census Appearances
1920
New York, …
Son, age 9
New York, New York · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| 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
New York, …
Son, age 20
New York, New York · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Helper |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Head, age 30
Bronx-County, New York · implied b. ~1910 — 3 household members
| Surname | May |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Occupation | Salesman |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 298 |
| Highest Grade | Hs 4 |
| 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 William May across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur May (~0.92 confidence) and mother Susan May (~0.92 confidence) and father Arthur May (~0.92 confidence) and mother Margaret May (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur May
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Susan May
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Arthur May
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Margaret May
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William May
Head · 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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02483-00976)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul Zelman | 42 | Head | Painter | New York |
| 2 | Martha Zelman | 40 | Wife | Machinist | New York |
| 3 | John J Mcauliffe | 45 | Head | Ambulance Driver | New York |
| 4 | Mary Mcauliffe | 44 | Wife | — | New York |
| 5 | Mary Mcauliffe | 15 | Daughter | — | New York |
| 6 | Robert Mcauliffe | 11 | Son | — | New York |
| 7 | Peter Brennan | 28 | Head | Carpenter | New York |
| 8 | Jane Brennan | 29 | Wife | — | New York |
| 9 | Peter Jr Brennan | 3 | Son | — | New York |
| 10 | Mary Brennan | 1 | Daughter | — | New York |
| 11 | Ernest Smith | 41 | Head | Accountant | New York |
| 12 | Mildred Smith | 44 | Wife | — | New York |
| 13 | Irene Smith | 15 | Daughter | — | New York |
| 14 | Edward Smith | 9 | Son | — | New York |
| 15 | Maurice Adrianen | 33 | Head | Garman Collector | New York |
| 16 | Lillian Adrianen | 34 | Wife | — | New York |
| 17 | James Adrianen | 10 | Son | — | New York |
| 18 | Lillian Adrianen | 4 | Daughter | — | New York |
| 19 | William May THIS PERSON | 30 | Head | Salesman | New York |
| 20 | Mary May | 29 | Wife | — | New York |
| 21 | Lucille May | 9 | Daughter | — | New York |
| 22 | Alex Ostman | 42 | Head | Carpenter | New York |
| 23 | Mildred Ostman | 37 | Wife | — | Sweden |
| 24 | Jean Ostman | 5 | Daughter | — | New York |
| 25 | John Negro | 35 | Head | Truck Driver | New York |
| 26 | Rose Negro | 32 | Wife | — | New York |
| 27 | Mary Negro | 10 | Daughter | — | New York |
| 28 | William H Miller | 58 | Head | Clerk | New York |
| 29 | Maybelle Miller | 53 | Wife | — | New York |
| 30 | Harry Miller | 25 | Son | Clerk | New York |
| 31 | Harold Tumo | 30 | Head | Laborer | New York |
| 32 | Helen Tumo | 25 | Wife | — | New York |
| 33 | Joan Tumo | 10 | Daughter | — | New York |
| 34 | Walter Harper | 45 | Head | Plumber | New York |
| 35 | Walter Jr Harper | 14 | Son | — | New York |
| 36 | Joseph Lally | 53 | Head | Elev-Operator | Eire |
| 37 | Agnes Lally | 40 | Wife | — | Eire |
| 38 | Joseph Lally | 17 | Son | — | New York |
| 39 | Richard Lally | 15 | Son | — | New York |
| 40 | Margaret Lally | 11 | Daughter | — | New York |
Pedigree Summary
William
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)