WM
William May — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Peoria-County, Illinois
Our Model Tree links this William May across the 1920, 1930 and 1940 US Censuses in Peoria-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Peoria-County, Illinois |
| Surname | May |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Unincorporated place, suburbs of Bartonville |
| 1935 Residence (County) | Peoria |
| Additional Details | |
| Occupation | Steam Fitter |
| Industry | State Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Steam Fitter |
| Township / Ward | Unincorporated Place Suburbs Of Bartonville |
| Est. Birth Year | ~1899 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Fernalda May | Daughter | — | 16 | ~1924 |
| Shirlee May | Daughter | — | 5 | ~1935 |
| William May | Head | — | 41 | ~1899 |
| William May | Son | — | 1 | ~1939 |
| Jessie May | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Peoria, Illinois
Other, age 21
Peoria, Illinois · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | William |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Section Hand |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Peoria, Illinois
Head, age 31
Peoria, Illinois · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Attendant |
| Industry | State Hospital |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Peoria-County, Illinois
Head, age 41
Peoria-County, Illinois · implied b. ~1899 — 5 household members
| Surname | May |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Unincorporated place, suburbs of Bartonville |
| 1935 Residence (County) | Peoria |
| Occupation | Steam Fitter |
| Industry | State Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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.
Show:
This person
Anchor record
William May
Head · 1940 · age 41 · b. ~1899 · Illinois
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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 — Peoria-County, Illinois
Open full size
1940 US Federal Census — Peoria-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00864-00576)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norma Jean Wright | 14 | Daughter | — | Illinois |
| 42 | Dorothy Jane Wright | 11 | Daughter | — | Illinois |
| 43 | James Gale Wasson | 34 | Head | Fireman | Illinois |
| 44 | Mamie Wasson | 31 | Wife | — | Illinois |
| 45 | Elizabeth Ann Wasson | 11 | Daughter | — | Illinois |
| 46 | James Gale Jr. Wasson | 9 | Son | — | Illinois |
| 47 | William Williams | 57 | Lodger | Pattern Maker | Illinois |
| 48 | Viola Williams | 55 | Lodger | — | Illinois |
| 49 | Joseph Castellani | 48 | Head | Miner | Italy |
| 50 | Julia Castellani | 47 | Wife | — | Italy |
| 51 | Gildo Castellani | 17 | Son | — | Illinois |
| 52 | Albert Miller | 33 | Head | Attendant | Illinois |
| 53 | Anna May Miller | 27 | Wife | — | Illinois |
| 54 | William Miller | 6 | Son | — | Illinois |
| 55 | Bula May Miller | 4 | Daughter | — | Illinois |
| 56 | Robert Bradley | 73 | Head | — | Illinois |
| 57 | Ella Bradley | 66 | Wife | — | Illinois |
| 58 | Jack Bradley | 43 | Son | Miner | Illinois |
| 59 | Robert Jr. Bradley | 35 | Son | Machine Operator | Illinois |
| 60 | William May THIS PERSON | 41 | Head | Steam Fitter | Illinois |
| 61 | Jessie May | 41 | Wife | — | Illinois |
| 62 | Fernalda June May | 16 | Daughter | — | Illinois |
| 63 | Shirlee Jean May | 5 | Daughter | — | Illinois |
| 64 | William Stewart May | 1 | Son | — | Illinois |
| 65 | Edgar Guppy | 33 | Head | Truck Driver | Illinois |
| 66 | Maida H. Guppy | 25 | Wife | — | Illinois |
| 67 | Edgar Jr. Guppy | 4 | Son | — | Illinois |
| 68 | Robert Lee Guppy | 1 | Son | — | Illinois |
| 69 | Carl Braden | 32 | Head | Crane Operator | Illinois |
| 70 | Ethel Braden | 30 | Wife | — | Illinois |
| 71 | Eileen Braden | 15 | Daughter | — | Illinois |
| 72 | Betty Braden | 5 | Daughter | — | Illinois |
| 73 | Larry Braden | 2 | Son | — | Illinois |
| 74 | Noah Chamberlain | 18 | Servant | Housework | Illinois |
| 75 | Andrew Harken | 23 | Head | Bundler | Illinois |
| 76 | Anna Harken | 22 | Wife | — | Illinois |
| 77 | Marie Camper | 25 | Sister | Seamstress | Illinois |
| 78 | Robert Harken | 3 | Son | — | Illinois |
| 79 | Klaus Kruse | 46 | Head | Brick Mason | Illinois |
| 80 | Emma Kruse | 44 | Wife | — | Illinois |
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)