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James Mccoy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Iowa
Our Model Tree links this James Mccoy across the 1930 and 1940 US Censuses in Union-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 8-person household.
Age 45
b. ~1895
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Iowa |
| Surname | McCoy |
| Given Name | James M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Creston City |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Postmaster |
| Industry | G.W. |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 2800 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Postmaster |
| Township / Ward | Creston City |
| Est. Birth Year | ~1895 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Mccoy | Daughter | — | 2 | ~1938 |
| Nancy Mccoy | Daughter | — | 7 | ~1933 |
| Martha Mccoy | Daughter | — | 12 | ~1928 |
| Margaret Mccoy | Daughter | — | 5 | ~1935 |
| Mary Mccoy | Daughter | — | 18 | ~1922 |
| James Mccoy | Head | — | 45 | ~1895 |
| James Mccoy | Son | — | 10 | ~1930 |
| Mabel Mccoy | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Union, Iowa
Head, age 35
Union, Iowa · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | James M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Proprietor |
| Industry | Clothing store |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | WW |
| Home Value / Rent | R |
| Radio Set | 45 |
| Veteran | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Union-County, Iowa
Head, age 45
Union-County, Iowa · implied b. ~1895 — 8 household members
| Surname | McCoy |
| Given Name | James M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Creston City |
| 1935 Residence (County) | Union |
| Occupation | Postmaster |
| Industry | G.W. |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 2800 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mccoy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Mccoy
Head · 1940 · age 45 · b. ~1895 · 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 — Union-County, Iowa
Open full size
1940 US Federal Census — Union-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01208-00202)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marjorie Wendel | 20 | Daughter | Saleslady | Iowa |
| 2 | Frank W. Stream | 70 | Head | — | Iowa |
| 3 | Matilda Stream | 67 | Wife | — | Iowa |
| 4 | John P. Stream | 16 | Grandson | — | Illinois |
| 5 | James M. Mccoy THIS PERSON | 45 | Head | Postmaster | Iowa |
| 6 | Mabel Mccoy | 43 | Wife | — | Iowa |
| 7 | Mary L. Mccoy | 18 | Daughter | — | Iowa |
| 8 | Martha M. Mccoy | 12 | Daughter | — | Iowa |
| 9 | James Jr. Mccoy | 10 | Son | — | Iowa |
| 10 | Nancy Mccoy | 7 | Daughter | — | Iowa |
| 11 | Margaret L. Mccoy | 5 | Daughter | — | Iowa |
| 12 | Kathleen Mccoy | 2 | Daughter | — | Iowa |
| 13 | Fred Beatty | 45 | Head | Survey | Iowa |
| 14 | Frances Beatty | 42 | Wife | — | Iowa |
| 15 | James R. Beatty | 17 | Son | — | Iowa |
| 16 | Helen L. Beatty | 15 | Daughter | — | Iowa |
| 17 | Margaret A. Beatty | 9 | Daughter | — | Iowa |
| 18 | Walter Bullock | 43 | Head | Truck Driver | Iowa |
| 19 | Eva Bullock | 38 | Wife | — | Iowa |
| 20 | Ada F. Bullock | 16 | Daughter | — | Iowa |
| 21 | Walter M. Bullock | 14 | Son | — | Iowa |
| 22 | John Bengston | 57 | Head | Contractor | Sweden |
| 23 | Blanche Bengston | 51 | Wife | — | Illinois |
| 24 | Floyd Bengston | 30 | Son | Janitor | Illinois |
| 25 | Harry Bengston | 29 | Son | — | Illinois |
| 26 | Elton M. Johnston | 31 | Head | Attorney | Iowa |
| 27 | Beatrice Johnston | 29 | Wife | Teacher | Iowa |
| 28 | Lela Lunt | 55 | Head | — | Iowa |
| 29 | Lymon Thompson | 38 | Head | Proprietor | Iowa |
| 30 | Frances Thompson | 38 | Wife | Proprietor | Iowa |
| 31 | Evelyn Nady | 36 | Head | Operator | Iowa |
| 32 | Mary Mcleod | 52 | Head | Operator | Scotland |
| 33 | Harry Bass | 51 | Head | Proprietor | Iowa |
| 34 | Bernice Bass | 31 | Wife | — | Iowa |
| 35 | Carlyon Bass | 11 | Daughter | — | Iowa |
| 36 | Alfred E. Hamilton | 45 | Head | Paper Hanger | Iowa |
| 37 | Laura Hamilton | 45 | Wife | — | Iowa |
| 38 | Thomas Hamilton | 22 | Son | — | Iowa |
| 39 | Richard Hamilton | 20 | Son | Car Help | Iowa |
| 40 | John Mulford | 25 | Lodger | Fireman | Nebraska |
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)