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James Mccann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Iowa
Our Model Tree links this James Mccann across the 1930 and 1940 US Censuses in Union-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Iowa |
| Surname | McCann |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Creston City |
| 1935 Residence (County) | Union County |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Creston City |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Josephine Mccann | Daughter | — | 10 | ~1930 |
| Thelma Mccann | Spouse | — | 32 | ~1908 |
| Alice Mccann | Daughter | — | 6 | ~1934 |
| Bernice Mccann | Daughter | — | 2 | ~1938 |
| James Mccann | Head | — | 50 | ~1890 |
| John Mccann | Son | — | 4 | ~1936 |
| Margaret Mccann | Daughter | — | 8 | ~1932 |
| James Mccann | Son | — | 12 | ~1928 |
| Mallee Mccann | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Union, Iowa
Son, age 3
Union, Iowa · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Cann |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Union-County, Iowa
Son, age 12
Union-County, Iowa · implied b. ~1928 — 9 household members
| Surname | McCann |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Creston City |
| 1935 Residence (County) | Union County |
| Highest Grade | No 6 |
| 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 Mccann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mccann
Son · 1940 · age 12 · b. ~1928 · Iowa
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Sibling
Alice Mccann
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mallee Mccann
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Mccann
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccann
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Mccann
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccann
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01208-00165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Hodge | 44 | Head | Manager | Iowa |
| 2 | Mabel Hodge | 43 | Wife | — | Iowa |
| 3 | Charles Hanks | 58 | Head | Laborer | Iowa |
| 4 | Lavillia Hanks | 55 | Wife | — | Iowa |
| 5 | Gerald Webb | 39 | Head | — | Iowa |
| 6 | Laura Webb | 38 | Wife | — | Iowa |
| 7 | Donald Webb | 17 | Son | — | Iowa |
| 8 | Lee Donahue | 35 | Head | Farmer | Iowa |
| 9 | Marie Donahue | 30 | Wife | — | Iowa |
| 10 | Frank Donahue | 7 | Son | — | Iowa |
| 11 | Jerry Donahue | 4 | Son | — | Iowa |
| 12 | Thomas Dumphy | 24 | Head | Farmer | Iowa |
| 13 | Naomi Dumphy | 21 | Wife | — | Iowa |
| 14 | James Mccann | 50 | Head | — | Iowa |
| 15 | Thelma Mccann | 32 | Wife | — | Iowa |
| 16 | Mallee Mccann | 14 | Daughter | — | Iowa |
| 17 | James Jr Mccann THIS PERSON | 12 | Son | — | Iowa |
| 18 | Josephine Mccann | 10 | Daughter | — | Iowa |
| 19 | Margaret Mccann | 8 | Daughter | — | Iowa |
| 20 | Alice Mccann | 6 | Daughter | — | Iowa |
| 21 | John Mccann | 4 | Son | — | Iowa |
| 22 | Bernice Mccann | 2 | Daughter | — | Iowa |
| 23 | Perk Hurley | 50 | Head | Helper | Iowa |
| 24 | Oscar Johnson | 47 | Head | Teamster | Iowa |
| 25 | Mary Johnson | 33 | Wife | — | Iowa |
| 26 | Leland Johnson | 2 | Son | — | Iowa |
| 27 | Ralph Bell | 42 | Head | Manager | Iowa |
| 28 | Olive Bell | 43 | Wife | — | Iowa |
| 29 | Robert Bell | 18 | Son | New Worker | Iowa |
| 30 | Richard Bell | 16 | Son | New Worker | Iowa |
| 31 | Lulu Thurlow | 55 | Sister-in-Law | — | Iowa |
| 32 | Earl Lloyd | 37 | Head | Laborer | Missouri |
| 33 | Goldie Lloyd | 37 | Wife | — | Missouri |
| 34 | Robert Lloyd | 14 | Son | — | Iowa |
| 35 | Adelaine Lloyd | 5 | Daughter | — | Iowa |
| 36 | George Timble | 68 | Head | — | Iowa |
| 37 | Minnie Timble | 63 | Wife | — | Iowa |
| 38 | George R Timble | 39 | Son | Laborer | Iowa |
| 39 | Muriel Timble | 24 | Son | Laborer | Iowa |
| 40 | Jessie Hipes | 60 | Head | — | Iowa |
Related Census Records
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)