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John Mann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Mann across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Mann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Carol Mann | Daughter | — | 2 | ~1938 |
| George Mann | Head | — | 43 | ~1897 |
| George Mann | Son | — | 4 | ~1936 |
| Elizabeth Mann | Spouse | — | 36 | ~1904 |
| John Mann | Son | — | 13 | ~1927 |
| Robert Mann | Son | — | 9 | ~1931 |
| Aileen Mann | Daughter | — | 6 | ~1934 |
| Paul Mann | Son | — | 6 | ~1934 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mawn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 13
Suffolk-County, Massachusetts · implied b. ~1927 — 8 household members
| Surname | Mann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | No 8 |
| 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 John Mann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mann
Son · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
George Mann
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Mann
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mann
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aileen Mann
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mann
Sibling · 1940 · age 6
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
35 people indexed on this census page (nara:1940:m-t0627-01666-00628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bridget Mc Glynn | 79 | Mother-in-law | — | Northern Ireland |
| 2 | Vincent Perry | 21 | Head | Laborer | Massachusetts |
| 3 | Violet Perry | 19 | Wife | — | Canada-English |
| 4 | Paul Perry | 0 | Son | — | Massachusetts |
| 5 | Henry L. Hurley | 34 | Head | Bartender | Massachusetts |
| 6 | Isabell Hurley | 32 | Wife | — | Massachusetts |
| 7 | Leo F. Hurley | 12 | Son | — | Massachusetts |
| 8 | Paul D. Hurley | 9 | Son | — | Massachusetts |
| 9 | Barbara M. Hurley | 7 | Daughter | — | Massachusetts |
| 10 | Theodore Winter | 59 | Head | Sheet Metal | Massachusetts |
| 11 | Rose Winter | 59 | Wife | — | Massachusetts |
| 13 | Mabel Archibald | 55 | Head | — | Canada-English |
| 14 | Raymond Mosher | 18 | Nephew | — | Massachusetts |
| 17 | Julia Weldon | 75 | Head | — | New Hampshire |
| 18 | George Mann | 43 | Head | Pipe Fitter | Massachusetts |
| 19 | Elizabeth Mann | 36 | Wife | — | Massachusetts |
| 20 | John Mann THIS PERSON | 13 | Son | — | Massachusetts |
| 21 | Robert Mann | 9 | Son | — | Massachusetts |
| 22 | Paul Mann | 6 | Son | — | Massachusetts |
| 23 | Aileen Mann | 6 | Daughter | — | Massachusetts |
| 24 | George Mann | 4 | Son | — | Massachusetts |
| 25 | Carol Mann | 2 | Daughter | — | Massachusetts |
| 26 | Anne Davis | 69 | Head | Seamstress | Massachusetts |
| 27 | Thomas Durham | 45 | Head | — | Massachusetts |
| 28 | Mary Durham | 45 | Wife | — | Massachusetts |
| 29 | Fred Peters | 48 | Head | Painter | Iowa |
| 30 | Bessie Peters | 34 | Wife | — | Iowa |
| 31 | Fred Peters | 8 | Son | — | Massachusetts |
| 32 | Edwin Peters | 7 | Son | — | Massachusetts |
| 33 | Patricia Peters | 3 | Daughter | — | Massachusetts |
| 36 | Joseph Albert | 34 | Head | Clerk | New York |
| 37 | Evelyn Albert | 28 | Wife | — | Massachusetts |
| 38 | Loraine Albert | 10 | Daughter | — | Massachusetts |
| 39 | Evelyn Albert | 9 | Daughter | — | Massachusetts |
| 40 | Joseph Barker | 69 | Head | — | England |
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)