JF
Joseph Flynn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Joseph Flynn across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Cornelius & Joseph — first a son (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Flynn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | File Clerk |
| Industry | Retail Clothing |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | File Clerk |
| Township / Ward | Boston |
| Est. Birth Year | ~1911 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Martin Flynn | Head | — | 59 | ~1881 |
| Joseph Flynn | Son | — | 29 | ~1911 |
| Mary Flynn | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Norfolk, Massachusetts
Son, age 8
Norfolk, Massachusetts · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Joseph F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 19
Suffolk, Massachusetts · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 29
Suffolk-County, Massachusetts · implied b. ~1911 — 3 household members
| Surname | Flynn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | File Clerk |
| Industry | Retail Clothing |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1300 |
| Highest Grade | H-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 Joseph Flynn across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Cornelius Flynn (~0.92 confidence) and father Joseph Flynn (~0.92 confidence) and father Martin Flynn (~0.92 confidence) and mother Alice Flynn (~0.92 confidence) and mother Mary Flynn (~0.92 confidence) and mother Mary Flynn (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Flynn
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Joseph Flynn
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Martin Flynn
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Alice Flynn
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mary Flynn
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Flynn
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Flynn
Son · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
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-t0627-01671-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Smith | 23 | Daughter | Stenographer | Massachusetts |
| 2 | Helen Q. Luby | 37 | Head | Typist | Massachusetts |
| 3 | Constance Luby | 19 | Daughter | — | Massachusetts |
| 4 | Marilyn Luby | 10 | Daughter | — | Massachusetts |
| 5 | Jacob Welish | 48 | Head | Manager | Russia |
| 6 | Anna Welish | 43 | Wife | Asst Manager | Russia |
| 7 | George Dana | 35 | Head | Chauffeur | Massachusetts |
| 8 | Mary Dana | 36 | Wife | — | England |
| 9 | George Dana | 14 | Son | — | Massachusetts |
| 10 | John Dorton | 55 | Lodger | Caretaker | Connecticut |
| 11 | — | None | — | — | — |
| 12 | James Moore | 36 | Head | Carpenter | Connecticut |
| 13 | Frances Moore | 34 | Wife | — | Canada Eng |
| 14 | James Moore | 8 | Son | — | Massachusetts |
| 15 | Russell Harnard | 26 | Head | Manager | Massachusetts |
| 16 | Margaret Harnard | 25 | Wife | — | Massachusetts |
| 17 | Wilmot Marston | 66 | Head | — | Maine |
| 18 | Josephine Marston | 65 | Wife | Meat Cutter | Massachusetts |
| 19 | Sarah Casey | 60 | Lodger | — | Scotland |
| 20 | Martin Byrne | 35 | Head | Porter | Eire |
| 21 | Elizabeth Byrne | 37 | Wife | — | Massachusetts |
| 22 | Joseph Byrne | 14 | Son | — | Massachusetts |
| 23 | James Byrne | 13 | Son | — | Massachusetts |
| 24 | Goodman Solomon | 40 | Head | Shipper | Russia |
| 25 | Anna Solomon | 36 | Wife | — | New York |
| 26 | Evelyn Solomon | 8 | Daughter | — | Massachusetts |
| 27 | Nellie Lavere | 56 | Head | — | Massachusetts |
| 28 | James Lavere | 26 | Son | Laborer | Massachusetts |
| 29 | John Lavere | 21 | Son | New Worker | Massachusetts |
| 30 | Francis Lavere | 19 | Son | New Worker | Massachusetts |
| 31 | Thomas Mcgarrety | 23 | Head | Chief Clerk | New Hampshire |
| 32 | Blanche Mcgarrety | 25 | Wife | — | Massachusetts |
| 33 | Roberta Mcgarrety | 5 | Daughter | — | Massachusetts |
| 34 | Martin Flynn | 59 | Head | Laborer | Massachusetts |
| 35 | Mary Flynn | 59 | Wife | — | Massachusetts |
| 36 | Joseph Flynn THIS PERSON | 29 | Son | File Clerk | Massachusetts |
| 37 | Joseph Macneil | 53 | Head | — | Massachusetts |
| 38 | Mary Macneil | 19 | Daughter | Salesgirl | Massachusetts |
| 39 | Allan Macneil | 18 | Son | — | Massachusetts |
| 40 | Joseph Macneil | 17 | Son | — | Massachusetts |
Pedigree Summary
Joseph
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)