JF
John Flynn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Flynn across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 5-person household.
Age 59
b. ~1881
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Flynn |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Laborer |
| Industry | Highway Dept. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1288 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Malden City |
| Est. Birth Year | ~1881 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anna Flynn | Daughter | — | 21 | ~1919 |
| Helen Donovan | Daughter | — | 27 | ~1913 |
| John Flynn | Head | — | 59 | ~1881 |
| James Donovan | Other | — | 28 | ~1912 |
| Catherine Flynn | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 41
Middlesex, Massachusetts · implied b. ~1879 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1903 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mason |
| Industry | Local |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1910 |
| Birthplace (normalized) | ireland |
1930
Middlesex, Massachusetts
Head, age 49
Middlesex, Massachusetts · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 33 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Operator |
| Industry | Street Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4300 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Middlesex-County, Massachusetts
Head, age 59
Middlesex-County, Massachusetts · implied b. ~1881 — 5 household members
| Surname | Flynn |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | Highway Dept. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1288 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Flynn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Flynn
Head · 1940 · age 59 · b. ~1881 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01609-00630)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph H. Lancaster | 56 | Head | Engine Man | Massachusetts |
| 42 | Esther L. Lancaster | 44 | Wife | — | Massachusetts |
| 43 | Stewart H. Lancaster | 17 | Son | — | Massachusetts |
| 44 | Annie E. Lancaster | 82 | Mother | — | Massachusetts |
| 45 | Arthur J. Rossi | 29 | Head | Machinist | Pennsylvania |
| 46 | Eleanor R. Rossi | 21 | Wife | — | Massachusetts |
| 47 | Joseph C. Boyes | 27 | Head | Cutter | Massachusetts |
| 48 | Mary J. Boyes | 22 | Wife | — | Massachusetts |
| 49 | Mary J. Boyes | 3 | Daughter | — | Massachusetts |
| 50 | Joseph C. Boyes | 0 | Son | — | Massachusetts |
| 51 | John P. Flynn THIS PERSON | 59 | Head | Laborer | Ireland |
| 52 | Catherine Flynn | 60 | Wife | — | Ireland |
| 53 | Anna Flynn | 21 | Daughter | — | Massachusetts |
| 54 | James J. Donovan | 28 | Son-in-law | Chauffeur | Massachusetts |
| 55 | Helen C. Donovan | 27 | Daughter | — | Massachusetts |
| 56 | Joseph E. Stodder | 43 | Head | Laborer | Massachusetts |
| 57 | Mary E. Stodder | 36 | Wife | — | Massachusetts |
| 58 | Louis S. Yessin | 40 | Head | Salesman | Massachusetts |
| 59 | Bessie Yessin | 40 | Wife | — | Massachusetts |
| 60 | Bernard M. Yessin | 21 | Son | — | Massachusetts |
| 61 | Erwin Yessin | 15 | Son | — | Massachusetts |
| 62 | Ruth S. Yessin | 3 | Daughter | — | Massachusetts |
| 63 | Louis Sher | 60 | Boarder | Chauffeur | Russia |
| 64 | Harry Pearlman | 35 | Boarder | — | Russia |
| 65 | Samuel Mover | 43 | Head | Mattress Maker | Russia |
| 66 | Mary Mover | 42 | Wife | — | Russia |
| 67 | Irving Mover | 17 | Son | — | Rhode Island |
| 68 | Julius Mover | 15 | Son | — | Massachusetts |
| 69 | Lester Mover | 10 | Son | — | Massachusetts |
| 70 | Maurice Berman | 50 | Head | Plasterer | Russia |
| 71 | Annie Berman | 46 | Wife | — | Massachusetts |
| 72 | Gladys Berman | 20 | Daughter | Typist | Massachusetts |
| 73 | Theodore Berman | 14 | Son | — | Massachusetts |
| 74 | Phyllis Berman | 11 | Daughter | — | Massachusetts |
| 75 | Isaac Baker | 47 | Head | Shoe Repairer | Russia |
| 76 | Bella Baker | 42 | Wife | — | Russia |
| 77 | Ethel Baker | 17 | Daughter | — | Massachusetts |
| 78 | Doris Baker | 14 | Daughter | — | Massachusetts |
| 79 | Harry Sarfaty | 39 | Head | Steam Fitter | Massachusetts |
| 80 | Bessie Sarfaty | 41 | Wife | — | Russia |
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)