LJ
Leo Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Leo Johnson across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 12-person household.
Age 27
b. ~1913
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Johnson |
| Given Name | Leo V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Newspaper Mailer |
| Industry | Newspaper Bus. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Newspaper Mailer |
| Township / Ward | Boston |
| Est. Birth Year | ~1913 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leo | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 33 | ~1907 |
| Robert Mcdonough | Other | — | 6 | ~1934 |
| Eva Hutney | Spouse | — | 48 | ~1892 |
| Alka Hutney | Head | — | 48 | ~1892 |
| Leo Johnson | Son | — | 27 | ~1913 |
| Alice Mcdonough | Daughter | — | 8 | ~1932 |
| Ethel Mcdonough | Daughter | — | 29 | ~1911 |
| Mary Johnson | Other | — | 61 | ~1879 |
| Nicholas Hutney | Son | — | 20 | ~1920 |
| Ethel Mcdonough | Daughter | — | 4 | ~1936 |
| Anna Hutney | Daughter | — | 27 | ~1913 |
| Joseph Curran | Other | — | 13 | ~1927 |
Census Appearances
Son, age 16
Suffolk, Massachusetts · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Washington D.C. |
| Mother's Birthplace | Canada |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 27
Suffolk-County, Massachusetts · implied b. ~1913 — 12 household members
| Surname | Johnson |
| Given Name | Leo V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Newspaper Mailer |
| Industry | Newspaper Bus. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Leo Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leo Johnson
Son · 1940 · age 27 · b. ~1913 · Massachusetts
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Sibling
Nicholas Hutney
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Hutney
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Mcdonough
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Mcdonough
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mcdonough
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 33
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01677-00514)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alka Hutney | 48 | Head | Machinist | Austria |
| 42 | Eva Hutney | 48 | Wife | Cleaner | Austria |
| 43 | Anna Hutney | 27 | daughter | Typist | Massachusetts |
| 44 | Nicholas Hutney | 20 | Son | Builder | Massachusetts |
| 45 | Mary E. Johnson | 61 | Wife-Head | — | Ireland |
| 46 | Alice E. Johnson | 33 | daughter | Telephone Operator | Massachusetts |
| 47 | Leo V. Johnson THIS PERSON | 27 | Son | Newspaper Mailer | Massachusetts |
| 48 | Ethel V. Mcdonough | 29 | daughter | 0 | Massachusetts |
| 49 | Alice Mcdonough | 8 | daughter | — | Massachusetts |
| 50 | Robert Mcdonough | 6 | grandson | — | Massachusetts |
| 51 | Ethel Mcdonough | 4 | daughter | — | Massachusetts |
| 52 | Joseph V. Curran | 13 | nephew | — | Massachusetts |
| 53 | Samuel C. Bonino | 47 | Head | Radio Work | Italy |
| 54 | Josephine A. Bonino | 41 | Wife | 0 | Massachusetts |
| 55 | Joseph Bonino | 19 | daughter | Shipper | Massachusetts |
| 56 | Elizabeth Bonino | 17 | daughter | 0 | Massachusetts |
| 57 | William Bonino | 14 | Son | 0 | Massachusetts |
| 58 | Frances Bonino | 6 | daughter | 0 | Massachusetts |
| 59 | Jean Bonino | 3 | daughter | 0 | Massachusetts |
| 60 | Joseph Bonino | 75 | Father | 0 | Italy |
| 61 | Eliza D. Wright | 67 | Head | 0 | Canada |
| 62 | Davis Wortman | 45 | Son | Painter & Paper | Canada |
| 63 | Joseph Wortman | 19 | Grandson | Helper | Canada |
| 64 | James F. Mohan | 71 | Head | Retired | Massachusetts |
| 65 | Anna E. Mohan | 67 | Wife | 0 | Massachusetts |
| 66 | Joseph Mohan | 24 | Son | Repairer | Massachusetts |
| 67 | Margaret Mcdonald | 30 | daughter | 0 | Massachusetts |
| 68 | Jerome Mcdonald | 8 | Son | — | Massachusetts |
| 69 | Donald Mcdonald | 4 | Son | — | Massachusetts |
| 70 | Joseph Mcauliffe | 39 | Head | Bridgeman | Massachusetts |
| 71 | Adeline Mcauliffe | 37 | Wife | 0 | Massachusetts |
| 72 | Claire Mcauliffe | 12 | daughter | — | Massachusetts |
| 73 | Evelyn Mcauliffe | 10 | daughter | — | Massachusetts |
| 74 | Robert Mcauliffe | 1 | Son | — | Massachusetts |
| 75 | George Heckesser | 61 | Head | Retired | Germany |
| 76 | Gertrude Heckesser | 60 | Wife | 0 | Germany |
| 77 | Eugene Walters | 53 | Lodger | 0 | Germany |
| 78 | Francis Heckesser | 26 | Head | Mechanic | Massachusetts |
| 79 | Elizabeth Heckesser | 26 | Wife | 0 | Massachusetts |
| 80 | Frank Heckesser | 2 | Son | — | Massachusetts |
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)