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John Mcdonnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dallas-County, Texas
Our Model Tree links this John Mcdonnell across the 1930 and 1940 US Censuses in Dallas-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Texas |
| Surname | McDonnell |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Dallas City |
| 1935 Residence (County) | Dallas |
| Additional Details | |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Dallas City |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdonnell | Head | — | 58 | ~1882 |
| John Mcdonnell | Son | — | 22 | ~1918 |
| Edward Abramson | Other | — | 26 | ~1914 |
| Ruth Mcdonnell | Other | — | 19 | ~1921 |
| Leo Mcdonnell | Son | — | 33 | ~1907 |
| Patrick Frank | Other | — | 1 | ~1939 |
| E Mcdonnell | Son | — | 25 | ~1915 |
| Rosemary Mcdonnell | Other | — | 2 | ~1938 |
| Muriel Mcdonnell | Daughter | — | 23 | ~1917 |
Census Appearances
1930
Dallas, Texas
Other, age 13
Dallas, Texas · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonnell |
| Given Name | Johnie L. |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Dallas-County, Texas
Son, age 22
Dallas-County, Texas · implied b. ~1918 — 9 household members
| Surname | McDonnell |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Dallas City |
| 1935 Residence (County) | Dallas |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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.
Show:
This person
Anchor record
John Mcdonnell
Son · 1940 · age 22 · b. ~1918 · Texas
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Sibling
Muriel Mcdonnell
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Mcdonnell
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
E Mcdonnell
Sibling · 1940 · age 25
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 — Dallas-County, Texas
Open full size
1940 US Federal Census — Dallas-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04172-00862)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Hogg | 23 | Daughter | Stenographer | Georgia |
| 2 | Earle Jackson | 34 | Lodger | Auditor | Texas |
| 3 | Virginia Jackson | 32 | Lodger | Stenographer | Texas |
| 4 | Lucretia Walker | 40 | Head | Cook | Texas |
| 5 | N. D. Guy | 48 | Head | Advertising Agt. | Missouri |
| 6 | Josephine Guy | 88 | Mother | — | New York |
| 7 | Mabel Cade | 56 | Cousin | — | Kansas |
| 8 | Almus Dean | 39 | Head | Office Clerk | Missouri |
| 9 | Louisa Dean | 39 | Wife | — | Missouri |
| 10 | Mary L. Dean | 16 | Daughter | — | Missouri |
| 11 | Anna M. Dean | 14 | Daughter | — | Missouri |
| 12 | Frances Dean | 13 | Son | — | Missouri |
| 13 | Alfred Dean | 11 | Son | — | Missouri |
| 14 | Robert Dean | 6 | Son | — | Missouri |
| 15 | Ruth E. Dean | 4 | Daughter | — | Texas |
| 16 | William R. Dean | 1 | Daughter | — | Texas |
| 17 | Russell Hayes | 46 | Head | Salesman | Tennessee |
| 18 | Margaret Hayes | 42 | Wife | — | Texas |
| 19 | Russell Jr. Hayes | 19 | Son | — | Texas |
| 20 | Gertrude Van Delsen | 60 | Head | — | Tennessee |
| 21 | J. R. Banford | 61 | Head | Paint Contractor | Tennessee |
| 22 | Rosamay Banford | 56 | Wife | — | Tennessee |
| 23 | George Bourke | 36 | Lodger | Accountant | Russia |
| 24 | B. A. Hughes | 33 | Head | Pharmacist | Missouri |
| 25 | Mary N. Hughes | 30 | Wife | Junior File Clerk | Texas |
| 26 | Dorothy Mae Smith | 30 | Lodger | Teacher | New Mexico |
| 27 | Mary G. Mcdonnell | 58 | Head | Business Manager | Mississippi |
| 28 | Leo Mcdonnell | 33 | Son | Collector | Washington |
| 29 | Muriel Mcdonnell | 23 | Daughter | Photographer | Washington |
| 30 | E. L. Mcdonnell | 25 | Son | Parts Man | Washington |
| 31 | Ruth Mcdonnell | 19 | Daughter-in-law | — | Texas |
| 32 | Rosemary Mcdonnell | 2 | Grand daughter | — | Texas |
| 33 | John D. Mcdonnell THIS PERSON | 22 | Son | — | Washington |
| 34 | Patrick A. Frank | 1 | Grandson | — | Texas |
| 35 | Edward Abramson | 26 | Lodger | — | California |
| 36 | Lassie Rain | 53 | Head | — | Texas |
| 37 | Joan Dawson | 23 | Lodger | Stenographer | Minnesota |
| 38 | J. R. Lott | 33 | Lodger | Office Manager | Mississippi |
| 39 | Dale Dawson | 1 | Lodger | — | Arizona |
| 40 | Thomas A. Lee | 69 | Head | — | Texas |
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)