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John Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Shannon across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 7-person household.
Age 53
b. ~1887
Male
Head
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Shannon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Stationary fireman |
| Industry | State |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birthplace (normalized) | irish free state |
| Occupation | Stationary Fireman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1887 |
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 |
|---|---|---|---|---|
| Catherine Shannon | Daughter | — | 6 | ~1934 |
| John Shannon | Head | — | 53 | ~1887 |
| Delia Shannon | Spouse | — | 46 | ~1894 |
| Ellen Shannon | Daughter | — | 16 | ~1924 |
| John Shannon | Son | — | 20 | ~1920 |
| Mary Shannon | Daughter | — | 18 | ~1922 |
| Thomas Shannon | Son | — | 10 | ~1930 |
Census Appearances
1930
Essex, Massachusetts
Head, age 43
Essex, Massachusetts · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | First papers filed |
| Year of Immigration | 1910 |
| Age at First Marriage | 30 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Stone Mason |
| Industry | House construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Birthplace (normalized) | irish free state |
1940
Suffolk-County, Massachusetts
Head, age 53
Suffolk-County, Massachusetts · implied b. ~1887 — 7 household members
| Surname | Shannon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Stationary fireman |
| Industry | State |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birthplace (normalized) | irish free state |
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 Shannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Shannon
Head · 1940 · age 53 · b. ~1887 · Massachusetts
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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 — 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-t0627-01672-00438)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Micholowski | 43 | Head | Janitor | Poland |
| 2 | Bertha Micholowski | 38 | Wife | — | Poland |
| 3 | Josephine Micholowski | 19 | Daughter | — | Massachusetts |
| 4 | Paul Micholowski | 17 | Son | — | Massachusetts |
| 5 | Stephen Micholowski | 15 | Son | — | Massachusetts |
| 6 | Dennis Micholowski | 13 | Son | — | Massachusetts |
| 7 | James Micholowski | 9 | Son | — | Massachusetts |
| 8 | Joan Micholowski | 6 | Daughter | — | Massachusetts |
| 9 | Hellen Micholowski | 4 | Daughter | — | Massachusetts |
| 10 | Veronica Micholowski | 2 | Daughter | — | Massachusetts |
| 11 | John S Peterson | 48 | Head | Painter | Massachusetts |
| 12 | Evelyn Peterson | 50 | Wife | — | Massachusetts |
| 13 | Frederick Peterson | 21 | Son | Painter | Massachusetts |
| 14 | Evelyn C Peterson | 9 | Daughter | — | Massachusetts |
| 15 | Irene B Doucette | 25 | Step daughter | Chain Adjuster | Massachusetts |
| 16 | John Shannon THIS PERSON | 53 | Head | Stationary Fireman | Irish Free State |
| 17 | Delia A Shannon | 46 | Wife | — | Irish Free State |
| 18 | John Shannon | 20 | Son | — | Massachusetts |
| 19 | Mary Shannon | 18 | Daughter | — | Massachusetts |
| 20 | Ellen Shannon | 16 | Daughter | — | Massachusetts |
| 21 | Thomas Shannon | 10 | Son | — | Massachusetts |
| 22 | Catherine Shannon | 6 | Daughter | — | Massachusetts |
| 23 | Mary St. James | 55 | Head | — | Massachusetts |
| 24 | Raymond St. James | 24 | Son | — | Massachusetts |
| 25 | Harold St. James | 23 | Son | — | Massachusetts |
| 26 | Paul St. James | 18 | Son | — | Massachusetts |
| 27 | Alfred Nichols | 23 | Son in law | Photographer | Massachusetts |
| 28 | Dorothy Nichols | 20 | Wife | — | Massachusetts |
| 29 | Annie Egan | 80 | Head | — | Canada Eng. |
| 30 | Teresa Egan | 46 | Daughter | Bookkeeper | Massachusetts |
| 31 | Mary C Cordon | 75 | Lodger | — | Canada Eng. |
| 32 | David Burroughs | 48 | Head | Carpenter | Canada Eng. |
| 33 | Mary J Burroughs | 45 | Wife | — | England |
| 34 | Margaret Burroughs | 19 | Daughter | Dressmaker | Massachusetts |
| 35 | Lillian Burroughs | 8 | Daughter | — | Massachusetts |
| 36 | Benjamin Weiner | 39 | Head | Proprietor | England |
| 37 | Catherine Weiner | 38 | Wife | — | New Jersey |
| 38 | Dorothy Weiner | 18 | Daughter | — | Massachusetts |
| 39 | Saul Weiner | 17 | Son | — | Massachusetts |
| 40 | Sidney Weiner | 15 | Son | — | Massachusetts |
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)