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John Mcnally — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this John Mcnally across the 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | McNally |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Sioux City |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mcnally | Head | — | 43 | ~1897 |
| James Mcnally | Son | — | 5 | ~1935 |
| Mary Mcnally | Spouse | — | 41 | ~1899 |
| Jean Mcnally | Daughter | — | 9 | ~1931 |
| John Mcnally | Son | — | 13 | ~1927 |
| Mary Mcnally | Daughter | — | 16 | ~1924 |
| Jeanette Mcnally | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Woodbury, Iowa
Son, age 3
Woodbury, Iowa · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNally |
| Given Name | John J. |
| 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
Woodbury-County, Iowa
Son, age 13
Woodbury-County, Iowa · implied b. ~1927 — 7 household members
| Surname | McNally |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| 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 John Mcnally across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcnally
Son · 1940 · age 13 · b. ~1927 · Iowa
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Sibling
Jean Mcnally
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Mcnally
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcnally
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcnally
Sibling · 1940 · age 16
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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01214-00584)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Everett Kellogg | 22 | Son | Trucker | Nebraska |
| 2 | Donald Kellogg | 19 | Son | — | Nebraska |
| 3 | Agatha Kellogg | 18 | Daughter | — | Nebraska |
| 4 | Lale Kellogg | 16 | Son | — | Nebraska |
| 5 | Viola Kellogg | 15 | Daughter | — | Iowa |
| 6 | Robert Kellogg | 13 | Son | — | Iowa |
| 7 | Nadine Kellogg | 10 | Daughter | — | Nebraska |
| 8 | Margaret Ann Kellogg | 8 | Daughter | — | Nebraska |
| 9 | Richard Kellogg | 3 | Son | — | Nebraska |
| 10 | Ernest Hansen | 32 | Head | Farmer | Iowa |
| 11 | Esther D. Hansen | 44 | Wife | — | Iowa |
| 12 | Carl Hansen | 40 | Brother | Farmer | Iowa |
| 13 | David Hansen | 34 | Brother | Farmer | Iowa |
| 16 | Ferdinand Tachnit | 38 | Head | Beef Poler | South Dakota |
| 17 | Lora P. Tachnit | 32 | Wife | — | South Dakota |
| 18 | Gordon Tachnit | 11 | Son | — | South Dakota |
| 19 | Leo W. Kissinger | 30 | Head | Bookkeeper | Illinois |
| 20 | Vivian Kissinger | 26 | Wife | — | Minnesota |
| 21 | Earlane Kissinger | 5 | Daughter | — | Iowa |
| 22 | Leona May Kissinger | 4 | Daughter | — | Iowa |
| 23 | Alta Kissinger | 2 | Daughter | — | Iowa |
| 24 | John E. Mcnally | 43 | Head | Fireman | Iowa |
| 25 | Mary P. Mcnally | 41 | Wife | — | Iowa |
| 26 | Mary Ellen Mcnally | 16 | Daughter | — | Iowa |
| 27 | John Mcnally THIS PERSON | 13 | Son | — | Iowa |
| 28 | Jean Mcnally | 9 | Daughter | — | Iowa |
| 29 | Jeanette Mcnally | 8 | Daughter | — | Iowa |
| 30 | James Mcnally | 5 | Son | — | Iowa |
| 31 | Bessie P. Mcnally | 73 | Head | — | Irish Free State |
| 32 | William D. R. No Name | 77 | Head | — | Wisconsin |
| 33 | Laura No Name | 80 | Wife | — | Missouri |
| 34 | John Burgess | 56 | Head | Sewer Blower | Nebraska |
| 35 | Clara P. Burgess | 56 | Wife | — | South Dakota |
| 36 | John Philip Burgess | 22 | Son | Plumber'S Assist. | Montana |
| 37 | Alton P. Cummings | 33 | Head | Sheet Metal Worker | Minnesota |
| 38 | Lola Cummings | 39 | Wife | — | Iowa |
| 39 | John Cummings | 5 | Son | — | Iowa |
| 40 | Roger Cummings | 3 | Son | — | 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)