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John Maguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this John Maguire across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 7-person household.
Age 50
b. ~1890
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Maguire |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Oil Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2400 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Superintendent |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| James Maguire | Son | — | 11 | ~1929 |
| John Maguire | Head | — | 50 | ~1890 |
| Paul Maguire | Son | — | 14 | ~1926 |
| Rose Maguire | Daughter | — | 6 | ~1934 |
| Patrick Maguire | Son | — | 16 | ~1924 |
| Rita Maguire | Daughter | — | 17 | ~1923 |
| Mary Maguire | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Jefferson, Kentucky
Head, age 40
Jefferson, Kentucky · implied b. ~1890 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 13000 |
| Radio Set | no |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Head, age 50
Jefferson-County, Kentucky · implied b. ~1890 — 7 household members
| Surname | Maguire |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Superintendent |
| Industry | Oil Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2400 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Maguire across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Maguire
Head · 1940 · age 50 · b. ~1890 · Kentucky
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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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01372-00781)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter P. Heech | 36 | Head | Body Assembler | Kentucky |
| 42 | Lela Heech | 25 | Wife | Bottler | Kentucky |
| 43 | Margaret Heech | 17 | Daughter | — | Kentucky |
| 44 | Margaret Holten | 61 | Mother-in-law | — | Kentucky |
| 45 | James C. Baugh | 25 | Head | Electrician | Kentucky |
| 46 | Maurita Baugh | 26 | Wife | Bookkeeper | Indiana |
| 47 | Gilmore B. Anderson | 43 | Head | Inspector | Kentucky |
| 48 | Violet E. Anderson | 40 | Wife | Typist | Kentucky |
| 49 | Lee R. Horn | 73 | Father-in-law | Day Watchman | Kentucky |
| 50 | Mamie Horn | 62 | Mother-in-law | — | Kentucky |
| 51 | Howard M. Hofmann | 41 | Head | Crane Operator | Kentucky |
| 52 | Gertrude Hofmann | 38 | Wife | — | Kentucky |
| 53 | Jean Hofmann | 9 | Daughter | — | Kentucky |
| 54 | Fred W. Perdue | 50 | Head | Fireman | Kentucky |
| 55 | Loretta C. Perdue | 50 | Wife | Packer | Kentucky |
| 56 | Erven Perdue | 15 | Son | — | Kentucky |
| 57 | Ella F. Thomas | 60 | Head | — | Missouri |
| 58 | Omer W. Foster | 62 | Brother | — | Missouri |
| 59 | Willur Hale | 44 | Head | Clerk | Kentucky |
| 60 | Lottie Hale | 40 | Wife | — | Kentucky |
| 61 | John G. Hale | 15 | Son | — | Kentucky |
| 62 | Kitty L. Hale | 12 | Daughter | — | Kentucky |
| 63 | William E. Harrison | 51 | Head | Telephone Installer | Kentucky |
| 64 | Ruth Harrison | 44 | Wife | — | Kentucky |
| 65 | John A. Maguire THIS PERSON | 50 | Head | Superintendent | Kentucky |
| 66 | Mary M. Maguire | 49 | Wife | — | Kentucky |
| 67 | Rita Maguire | 17 | Daughter | — | Kentucky |
| 68 | Patrick Maguire | 16 | Son | — | Kentucky |
| 69 | Paul Maguire | 14 | Son | — | Kentucky |
| 70 | James Maguire | 11 | Son | — | Kentucky |
| 71 | Rose M. Maguire | 6 | Daughter | — | Kentucky |
| 72 | Edward H. Seiller | 42 | Head | State Supervisor | Kentucky |
| 73 | Ruth Seiller | 43 | Wife | — | Kentucky |
| 74 | Joe A. Seiller | 19 | Son | — | Tennessee |
| 75 | Edwina J. Seiller | 14 | Daughter | — | Kentucky |
| 76 | Ruth J. Seiller | 12 | Daughter | — | Kentucky |
| 77 | Billie Seiller | 8 | Son | — | Kentucky |
| 78 | Archie J. Rich | 63 | Head | Grocer | Kentucky |
| 79 | Annabell Rich | 61 | Wife | — | Kentucky |
| 80 | Lorenzo C. Hale | 47 | Head | Clerk | Kentucky |
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)