WM
William May — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William May across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Anna — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | May |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Undertaker |
| Industry | Funeral Parlors |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 1648 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Undertaker |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Joseph May | Head | — | 47 | ~1893 |
| William May | Son | — | 25 | ~1915 |
| Mildred May | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 7
Philadelphia, Pennsylvania · implied b. ~1913 — 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 | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 17
Philadelphia, Pennsylvania · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Apprentice |
| Industry | Printing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 25
Philadelphia-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | May |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Undertaker |
| Industry | Funeral Parlors |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 1648 |
| Highest Grade | H 4 |
| 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 William May across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William May (~0.92 confidence) and mother Anna May (~0.92 confidence) and father Joseph May (~0.92 confidence) and mother Mildred May (~0.92 confidence) and father William May (~0.92 confidence) and mother Anna May (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William May
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Anna May
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
Joseph May
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Mildred May
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
William May
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Anna May
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William May
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03755-00234)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isadore Cohen | 31 | Head | Investigator | Pennsylvania |
| 2 | Ethel Cohen | 26 | Wife | — | Pennsylvania |
| 3 | Barbara Cohen | 2 | Daughter | — | Pennsylvania |
| 4 | Is. Miller | 24 | Lodger | Truck Driver | Pennsylvania |
| 5 | Miller | None | — | — | — |
| 6 | Emma Monaghan | 71 | Head | — | Maryland |
| 7 | Dorothy Monaghan | 38 | Daughter | Stenographer | Pennsylvania |
| 8 | Adelaide Magee | 52 | Daughter | Stenographer | Pennsylvania |
| 9 | Margaret Connor | 60 | Sister | Server | Ohio |
| 10 | Stallard Henderson | 39 | Head | Postal Clerk | Delaware |
| 11 | Katherine Henderson | 36 | Wife | School Teacher | Pennsylvania |
| 12 | Harrison B. Amy | 59 | Head | Teacher | Pennsylvania |
| 13 | Adda Amy | 62 | Wife | — | Pennsylvania |
| 14 | Joseph A. May | 47 | Head | Salesman | Pennsylvania |
| 15 | Mildred B. May | 46 | Wife | — | Pennsylvania |
| 16 | William R. May THIS PERSON | 25 | Son | Undertaker | Pennsylvania |
| 17 | Wm. Gerstnecker | 46 | Head | Salesman | Pennsylvania |
| 18 | Ellen Gerstnecker | 46 | Wife | — | New Jersey |
| 19 | Helen Gerstnecker | 24 | Daughter | Stenographer | Pennsylvania |
| 20 | Maurice Reinstein | 23 | Son | Optician'S Doctor | Pennsylvania |
| 21 | Sylvia Reinstein | 26 | Daughter | Stenographer | New York |
| 22 | Sydney Dabrow | 46 | Head | Salesman | Pennsylvania |
| 23 | Rae Dabrow | 39 | Wife | — | Pennsylvania |
| 24 | David B. Dabrow | 10 | Son | — | Pennsylvania |
| 25 | Kenneth H. Dabrow | 8 | Son | — | Pennsylvania |
| 26 | Mayfield Newcomer | 51 | Mother | — | Pennsylvania |
| 27 | Leon Gorsley | 36 | Head | Shipper | Russia |
| 28 | Sylvia Gorsley | 26 | Wife | — | Chicago, Ill. |
| 29 | Marlene Gorsley | 1 | Daughter | — | Pennsylvania |
| 30 | Rosemary Goldberg | 4 | Daughter | — | Pennsylvania |
| 31 | Vincent Hartman | 41 | Head | Superintendent | Pennsylvania |
| 32 | Mary Hartman | 39 | Wife | — | Pennsylvania |
| 33 | Jeanne M. Hartman | 17 | Daughter | — | Pennsylvania |
| 34 | Richard S. Hartman | 12 | Son | — | Pennsylvania |
| 35 | Gertrude Sheridan | 29 | Sister | Secretary | Pennsylvania |
| 36 | Samuel Jacobs | 39 | Head | Agent | Pennsylvania |
| 37 | Esther Jacobs | 33 | Wife | — | Pennsylvania |
| 38 | Norman Jacobs | 7 | Son | — | Pennsylvania |
| 39 | Ivan H. Jacobs | 2 | Son | — | Pennsylvania |
| 40 | Eleanor Tucker | 22 | Servant | Servant | Virginia |
Pedigree Summary
William
Gen 1 · 6 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)