JF
Joseph Flynn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Joseph Flynn across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Flynn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Heater |
| Industry | Electrical Equip Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Heater |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Errol Flynn | Son | — | 3 | ~1937 |
| Loretta Flynn | Spouse | — | 38 | ~1902 |
| Philip Flynn | Son | — | 14 | ~1926 |
| Lorraine Flynn | Daughter | — | 9 | ~1931 |
| Helen Flynn | Daughter | — | 17 | ~1923 |
| James Flynn | Head | — | 41 | ~1899 |
| Pauline Flynn | Daughter | — | 7 | ~1933 |
| Joseph Flynn | Son | — | 18 | ~1922 |
| Albert Flynn | Son | — | 11 | ~1929 |
Census Appearances
1930
Essex, Massachusetts
Son, age 9
Essex, Massachusetts · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Canada-English |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 18
Essex-County, Massachusetts · implied b. ~1922 — 9 household members
| Surname | Flynn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Occupation | Heater |
| Industry | Electrical Equip Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Joseph Flynn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Flynn
Son · 1940 · age 18 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
Errol Flynn
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Flynn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Flynn
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Flynn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Flynn
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Flynn
Sibling · 1940 · age 7
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01697-00389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Lombara | 3 | Son | — | Massachusetts |
| 42 | Henrietta Froberger | 67 | Head | — | Germany |
| 43 | Louise Froberger | 33 | Daughter | Stenographer | Massachusetts |
| 44 | Josephine Froberger | 28 | Daughter | Stenographer | Massachusetts |
| 45 | Laura Froberger | 22 | Daughter | Office Clerk | Massachusetts |
| 46 | Walter Feenan | 34 | Head | Grinder | England |
| 47 | Janina Feenan | 30 | Wife | — | Canada |
| 48 | Walter Feenan | 12 | Son | — | Massachusetts |
| 49 | Virginia Feenan | 10 | Daughter | — | Massachusetts |
| 50 | Eileen Feenan | 9 | Daughter | — | Massachusetts |
| 51 | Thomas Prendergast | 58 | Head | Electrician | Free State |
| 52 | Laura Prendergast | 51 | Wife | — | Massachusetts |
| 53 | Laura Marron | 40 | Head | — | Free State |
| 54 | Leonard Marron | 12 | Son | — | Massachusetts |
| 55 | Leonard Marron | 10 | Son | — | Massachusetts |
| 56 | Frederick Devarennes | 45 | Head | Transformer Worker | England |
| 57 | Isabella Devarennes | 45 | Wife | — | Canada |
| 58 | Doretta Devarennes | 14 | Daughter | — | Massachusetts |
| 59 | Donald Devarennes | 12 | Son | — | Massachusetts |
| 60 | Raymond Devarennes | 9 | Son | — | Massachusetts |
| 61 | Joyce Devarennes | 5 | Daughter | — | Massachusetts |
| 62 | Joseph Haggerty | 48 | Head | Janitor | Massachusetts |
| 63 | Harriet Haggerty | 45 | Wife | — | Massachusetts |
| 64 | Joseph C. Haggerty | 21 | Son | Stock Room Clerk | Massachusetts |
| 65 | Philip G. Haggerty | 17 | Son | — | Massachusetts |
| 66 | Robert Haggerty | 12 | Son | — | Massachusetts |
| 67 | Joseph Shafarow | 33 | Head | Machinist Welder | Poland |
| 68 | Stella Shafarow | 28 | Wife | — | Massachusetts |
| 69 | Thomas Shafarow | 5 | Son | — | Massachusetts |
| 70 | Edmund Shafarow | 2 | Son | — | Massachusetts |
| 71 | James P. Flynn | 41 | Head | Polisher | Canada |
| 72 | Loretta Flynn | 38 | Wife | — | Canada |
| 73 | Joseph Flynn THIS PERSON | 18 | Son | Heater | Massachusetts |
| 74 | Helen Flynn | 17 | Daughter | — | Massachusetts |
| 75 | Philip Flynn | 14 | Son | — | Massachusetts |
| 76 | Albert Flynn | 11 | Son | — | Massachusetts |
| 77 | Lorraine Flynn | 9 | Daughter | — | Massachusetts |
| 78 | Pauline Flynn | 7 | Daughter | — | Massachusetts |
| 79 | Errol Flynn | 3 | Son | — | Massachusetts |
| 80 | Ernest Miller | 51 | Head | Machinist | Canada |
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)