JF
James Flanagan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Flanagan across the 1910, 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Flanagan |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Foreman |
| Industry | Boston Fruit Co |
| Class of Worker | GW |
| Hours Worked | 84 |
| Income (1939) | 2200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Foreman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1905 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Catherine Flanagan | Head | — | 73 | ~1867 |
| James Flanagan | Son | — | 35 | ~1905 |
| Thomas Flanagan | Son | — | 33 | ~1907 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flanagan |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flanagan |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 25
Suffolk, Massachusetts · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flanagan |
| Given Name | James J |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | fireman |
| Industry | city |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 35
Suffolk-County, Massachusetts · implied b. ~1905 — 3 household members
| Surname | Flanagan |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Foreman |
| Industry | Boston Fruit Co |
| Class of Worker | GW |
| Hours Worked | 84 |
| Income (1939) | 2200 |
| 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 James Flanagan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Flanagan (~0.92 confidence) and father James Flanagan (~0.92 confidence) and mother Catherine Flanagan (~0.92 confidence) and mother Catherine Flanagan (~0.92 confidence) and mother Katherine Flanagan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Flanagan
b. ~1861
Source father
● Household
· direct · ~0.92
Father
James Flanagan
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Catherine Flanagan
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Catherine Flanagan
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Katherine Flanagan
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Flanagan
Son · 1940 · age 35 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Thomas Flanagan
Sibling · 1940 · age 33
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
39 people indexed on this census page (nara:1940:m-t0627-01669-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Riedl | 73 | Father | — | Massachusetts |
| 42 | Emma E Sullivan | 48 | Head | Housewife | Massachusetts |
| 43 | Ruth Sullivan | 19 | Daughter | Stenographer | Massachusetts |
| 45 | Robert E Woods | 38 | Head | Engineer | Massachusetts |
| 46 | Grace Woods | 29 | Wife | Secretary | Massachusetts |
| 47 | John Woods | 5 | Son | — | Massachusetts |
| 48 | Carol Woods | 8 | Daughter | — | Massachusetts |
| 49 | James Fleming | 30 | Head | Welder | Massachusetts |
| 50 | Gertrude Fleming | 32 | Wife | — | Massachusetts |
| 51 | Anne Fleming | 6 | Daughter | — | Massachusetts |
| 52 | Patricia Fleming | 4 | Daughter | — | Massachusetts |
| 53 | Mary Johnson | 65 | Mother-in-law | — | Newfoundland |
| 54 | Margaret Johnson | 53 | Sister-in-law | Addressograph Operator | Massachusetts |
| 55 | Edward Henning | 52 | Head | Sales Manager | Massachusetts |
| 56 | Teresa Henning | 45 | Wife | — | Massachusetts |
| 57 | Richard F Sterling | 54 | Head | Machinist | Ireland North |
| 58 | Margaret M Sterling | 52 | Wife | — | Massachusetts |
| 59 | Andrew J Sterling | 21 | Son | Salesman | Massachusetts |
| 60 | Thomas W Sterling | 25 | Son | Stock-Clerk | Massachusetts |
| 61 | Richard T Sterling | 21 | Son | Stock-Clerk | Massachusetts |
| 62 | Catherine Flanagan | 73 | Head | — | Irish Free State |
| 63 | James J Flanagan THIS PERSON | 35 | Son | Foreman | Massachusetts |
| 64 | Thomas Flanagan | 33 | Son | Furniture Mover | Massachusetts |
| 65 | Mary J Mcdermott | 51 | Head | — | Massachusetts |
| 66 | Raymond A Mcdermott | 42 | Brother | Advertising Manager | Massachusetts |
| 67 | Esther R Mcdermott | 44 | Sister | Book-Keeper | Massachusetts |
| 68 | Daniel Grant | 65 | Head | Laborer | Massachusetts |
| 69 | Margaret Grant | 55 | Wife | — | Irish Free State |
| 70 | William Grant | 25 | Son | Operator | Massachusetts |
| 71 | James J Harrington | 39 | Head | House Officer | Massachusetts |
| 72 | Catherine Harrington | 38 | Wife | — | Canada English |
| 73 | Donald Harrington | 10 | Son | — | Massachusetts |
| 74 | Robert Harrington | 8 | Son | — | Massachusetts |
| 75 | James W Mcdonald | 56 | Head | Contractor | Massachusetts |
| 76 | Mary Mcdonald | 53 | Wife | — | Canada English |
| 77 | John J Flynn | 42 | Head | Stock Clerk | Massachusetts |
| 78 | Helene Flynn | 37 | Wife | — | Massachusetts |
| 79 | William T Flynn | 18 | Son | Salesman | Massachusetts |
| 80 | George F Slune | 59 | Uncle | Upholsterer | Massachusetts |
Related Census Records
Pedigree Summary
James + 1 sibling
Gen 1 · 5 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)