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John Mcdonnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this John Mcdonnell across the 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | McDonnell |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Laborer |
| Industry | State Fair Grounds |
| Class of Worker | GW |
| Hours Worked | 51 |
| Income (1939) | 550 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | St Paul |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Mcdonnell | Son | — | 3 | ~1937 |
| John Mcdonnell | Head | — | 31 | ~1909 |
| John Mcdonnell | Son | — | 5 | ~1935 |
| Clara Mcdonnell | Spouse | — | 29 | ~1911 |
| Catherine Heider | Other | — | 19 | ~1921 |
| Mozella Heider | Other | — | 21 | ~1919 |
Census Appearances
1930
Ramsey, Minnesota
Son, age 20
Ramsey, Minnesota · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Laborer |
| Industry | Box Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Head, age 31
Ramsey-County, Minnesota · implied b. ~1909 — 6 household members
| Surname | McDonnell |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul |
| 1935 Residence (County) | Ramsey |
| Occupation | Laborer |
| Industry | State Fair Grounds |
| Class of Worker | GW |
| Hours Worked | 51 |
| Income (1939) | 550 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Mcdonnell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mcdonnell
Head · 1940 · age 31 · b. ~1909 · Minnesota
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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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02004-00247)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Minnie A. Rose | 56 | Wife | — | Minnesota |
| 42 | Paula R. Rose | 18 | Daughter | — | Minnesota |
| 43 | George R. Schaffhausen | 27 | Head | Salesman | Minnesota |
| 44 | Marian M. Schaffhausen | 28 | Wife | Store Clerk | Minnesota |
| 45 | George R. Jr. Schaffhausen | 4 | Son | 0 | Minnesota |
| 46 | Charles G. Schaffhausen | 2 | Son | 0 | Minnesota |
| 47 | Louis C. Hossler | 64 | Head | — | Minnesota |
| 48 | Muriel G. Hossler | 35 | Daughter | Office Clerk | Minnesota |
| 49 | John A. Karley | 46 | Head | Truck Driver | Minnesota |
| 50 | Marie A. Karley | 39 | Wife | — | Minnesota |
| 51 | Marie J. Karley | 17 | Daughter | — | Minnesota |
| 52 | John R. Karley | 11 | Son | — | Minnesota |
| 53 | Joan R. Karley | 3 | Daughter | 0 | Minnesota |
| 54 | Frank J. Shimon | 50 | Head | Washer Stripper | Minnesota |
| 55 | Ida M. Shimon | 45 | Wife | — | Iowa |
| 56 | Frank J. Shimon | 26 | Son | Bartender | Minnesota |
| 57 | George R. Shimon | 25 | Son | Meter-Reader | Minnesota |
| 58 | Dorothy M. Shimon | 16 | Daughter | — | Minnesota |
| 59 | George M. Fuller | 78 | Father-in-law | — | Illinois |
| 60 | Edward C. Hiber | 29 | Head | Machinist | Minnesota |
| 61 | Agnes C. Hiber | 22 | Wife | — | Minnesota |
| 62 | Martin Amon | 49 | Head | Laborer | Austria |
| 63 | Magdalin Amon | 46 | Wife | — | Austria |
| 64 | Herbert J. Klapperich | 31 | Head | Printer | Wisconsin |
| 65 | Margaret C. Klapperich | 27 | Wife | — | Minnesota |
| 66 | Thomas H. Klapperich | 2 | Son | 0 | Minnesota |
| 67 | Edward J. Klapperich | 0 | Son | 0 | Minnesota |
| 68 | Henry R. Worden | 64 | Head | — | Wisconsin |
| 69 | Katherine I. Worden | 62 | Wife | — | Minnesota |
| 70 | James M. Barlow | 36 | Head | Yard Man | Minnesota |
| 71 | Helen L. Barlow | 27 | Wife | — | Minnesota |
| 72 | James M. Barlow | 4 | Son | 0 | Minnesota |
| 73 | Eugene F. Barlow | 1 | Son | 0 | Minnesota |
| 74 | Michael B. Murphy | 38 | Brother-in-law | Laborer | Wisconsin |
| 75 | John E. Mcdonnell THIS PERSON | 31 | Head | Laborer | Minnesota |
| 76 | Clara G. Mcdonnell | 29 | Wife | — | Minnesota |
| 77 | John D. Mcdonnell | 5 | Son | 0 | Minnesota |
| 78 | Kenneth N. Mcdonnell | 3 | Son | 0 | Minnesota |
| 79 | Mozella M. Heider | 21 | Sister-in-law | Waitress | Minnesota |
| 80 | Catherine M. Heider | 19 | Sister-in-law | Laborer | Minnesota |
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)