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James May — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Webster-County, Iowa
Our Model Tree links this James May across the 1920, 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Webster-County, Iowa |
| Surname | May |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Webster |
| Additional Details | |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farmer |
| Township / Ward | Johnson |
| Est. Birth Year | ~1884 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary May | Daughter | — | 10 | ~1930 |
| James May | Head | — | 56 | ~1884 |
| Joseph Lockey | Other | — | 25 | ~1915 |
| Theresa May | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Webster, Iowa
Head, age 37
Webster, Iowa · implied b. ~1883 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Webster, Iowa
Head, age 47
Webster, Iowa · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | James C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 25 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Webster-County, Iowa
Head, age 56
Webster-County, Iowa · implied b. ~1884 — 4 household members
| Surname | May |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Webster |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 James 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
James May
Head · 1940 · age 56 · b. ~1884 · Iowa
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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 — Webster-County, Iowa
Open full size
1940 US Federal Census — Webster-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01212-00373)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Mc Loughlin | 41 | Wife | — | Iowa |
| 2 | Leo Mc Loughlin | 21 | Son | — | Iowa |
| 3 | Vincent Mc Loughlin | 19 | Son | — | Iowa |
| 4 | Marcella Mc Loughlin | 17 | Daughter | — | Iowa |
| 5 | Donald Mc Loughlin | 16 | Son | — | Iowa |
| 6 | Betty Mc Loughlin | 14 | Daughter | — | Iowa |
| 7 | Joseph Mc Loughlin | 11 | Son | — | Iowa |
| 8 | Raymond Mc Loughlin | 9 | Son | — | Iowa |
| 9 | Barbara Ann Mc Loughlin | 4 | Daughter | — | Iowa |
| 10 | John Bartholomew | 58 | Head | — | Illinois |
| 11 | Elizabeth Bartholomew | 50 | Wife | — | Illinois |
| 12 | Madeline Bartholomew | 19 | Daughter | — | Iowa |
| 13 | Melvin Bartholomew | 17 | Son | — | Iowa |
| 14 | James May THIS PERSON | 56 | Head | Farmer | Indiana |
| 15 | Theresa May | 52 | Wife | — | Indiana |
| 16 | Mary May | 10 | Daughter | — | Iowa |
| 17 | Joseph Lockey | 25 | Lodger | Farm Labor | Minnesota |
| 18 | Stanley Wagloski | Waglosky | 46 | Head | Farmer | Poland |
| 19 | John Ecker | 29 | Head | Farm Labor | Missouri |
| 20 | Marjorie Ecker | 24 | Wife | — | Iowa |
| 21 | Elizabeth Mclaughlin | 70 | Head | — | Iowa |
| 22 | William Mclaughlin | 41 | Son | Farmer | Iowa |
| 23 | James Mclaughlin | 49 | Son | Farmer | Iowa |
| 24 | Robert Wesley | 37 | Head | Farmer | Iowa |
| 25 | Mildred Wesley | 37 | Wife | — | Iowa |
| 26 | Jean Wesley | 11 | Daughter | — | Iowa |
| 27 | Mary Lou Wesley | 10 | Daughter | — | Iowa |
| 28 | Joyce Wesley | 4 | Daughter | — | Iowa |
| 29 | Dennis Wesley | 1 | Son | — | Iowa |
| 30 | William Gerth | 71 | Head | Farmer | Illinois |
| 31 | Anna Gerth | 62 | Wife | — | Illinois |
| 32 | Chester Gerth | 32 | Son | Farmer | Iowa |
| 33 | Elizabeth Burnett | 60 | Head | — | Iowa |
| 34 | Paul Burnett | 35 | Son | Farmer | Iowa |
| 35 | Edmond Condon | 35 | Head | Farmer | Iowa |
| 36 | Margaret Condon | 31 | Wife | — | Iowa |
| 37 | Kathleen Condon | 7 | Daughter | — | Iowa |
| 38 | William Condon | 6 | Son | — | Iowa |
| 39 | John Provitt | 20 | Head | Farm Labor | Missouri |
| 40 | Floy Provitt | 22 | Wife | — | Iowa |
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)