MF
Margaret Flynn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Flynn across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Edward — first a daughter (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Flynn |
| Given Name | Margaret F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Operator |
| Township / Ward | Boston |
| Est. Birth Year | ~1908 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Mary Flynn | Daughter | — | 33 | ~1907 |
| Margaret Flynn | Daughter | — | 32 | ~1908 |
| Anna Flynn | Daughter | — | 27 | ~1913 |
| Margaret Flynn | Head | — | 62 | ~1878 |
| John Flynn | Son | — | 31 | ~1909 |
| James Flynn | Son | — | 24 | ~1916 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 12
Suffolk, Massachusetts · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 22
Suffolk, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Margaret V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Operator |
| Industry | Comptometer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 32
Suffolk-County, Massachusetts · implied b. ~1908 — 6 household members
| Surname | Flynn |
| Given Name | Margaret F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| 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 Margaret Flynn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Flynn (~0.92 confidence) and father Edward Flynn (~0.92 confidence) and mother Margaret Flynn (~0.92 confidence) and mother Mary Flynn (~0.92 confidence) and mother Mary Flynn (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Flynn
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Edward Flynn
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Margaret Flynn
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Flynn
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Flynn
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Flynn
Daughter · 1940 · age 32 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Anna Flynn
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Flynn
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Flynn
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Flynn
Sibling · 1940 · age 24
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
40 people indexed on this census page (nara:1940:m-t0627-01677-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eugene Continued | 5 | Son | — | Massachusetts |
| 42 | Joseph A Cox | 35 | Head | Carpenter | Massachusetts |
| 43 | Mildred L Cox | 33 | Wife | — | Massachusetts |
| 44 | Marjorie Cox | 7 | Daughter | — | Massachusetts |
| 45 | Robert Cox | 6 | Son | — | Massachusetts |
| 46 | Judith Cox | 2 | Daughter | — | Massachusetts |
| 47 | William Dutra | 48 | Head | Letter Carrier | Massachusetts |
| 48 | Catherine S Dutra | 50 | Wife | — | Massachusetts |
| 49 | Edward J Dutra | 19 | Son | Laborer | Massachusetts |
| 50 | John Dutra | 16 | Son | — | Massachusetts |
| 51 | Mary Dutra | 15 | Daughter | — | Massachusetts |
| 52 | William J Dutra | 13 | Son | — | Massachusetts |
| 53 | Charles Fernekees | 32 | Head | Cashier | Massachusetts |
| 54 | Anna Fernekees | 29 | Wife | — | Massachusetts |
| 55 | Ann Fernekees | 3 | Daughter | — | Massachusetts |
| 56 | Lawrence Nevin | 63 | Head | Carpenter | Ireland |
| 57 | Theresa A Nevin | 56 | Wife | — | Ireland |
| 58 | Margaret S Nevin | 24 | Daughter | Bookkeeper | Massachusetts |
| 59 | Theresa M Nevin | 21 | Daughter | Clerical | Massachusetts |
| 60 | Thomas F Nevin | 20 | Son | Accountant | Massachusetts |
| 61 | Lawrence F Nevin | 19 | Son | Clerk | Massachusetts |
| 62 | Richard B Williams | 34 | Head | Manager | Massachusetts |
| 63 | Mary Williams | 34 | Wife | — | Massachusetts |
| 64 | Richard Jr. Williams | 2 | Son | — | Massachusetts |
| 65 | Margaret L Flynn | 62 | Head | — | Ireland |
| 66 | Mary L Flynn | 33 | Daughter | Stenographer | Massachusetts |
| 67 | Margaret F Flynn THIS PERSON | 32 | Daughter | Operator | Massachusetts |
| 68 | John Flynn | 31 | Son | Driver | Massachusetts |
| 69 | Anna Flynn | 27 | Daughter | Stenographer | Massachusetts |
| 70 | James Flynn | 24 | Son | Laborer | Massachusetts |
| 71 | John X Little | 24 | Head | Secretary | New Hampshire |
| 72 | Dorothy Little | 25 | Wife | Secretary | New York |
| 73 | Joseph B Mcneill | 70 | Head | — | England |
| 74 | Margaret J Mcneill | 75 | Wife | — | England |
| 75 | Elizabeth Healy | 50 | Lodger | School Teacher | Massachusetts |
| 76 | Edward J Patterson | 52 | Head | Superintendent | New Hampshire |
| 77 | Mary E Patterson | 50 | Wife | — | Massachusetts |
| 78 | Winifred M Patterson | 25 | Daughter | Artist | Massachusetts |
| 79 | Edward J Jr. Patterson | 24 | Son | Clerk | Massachusetts |
| 80 | Mary M Patterson | 21 | Daughter | Stenographer | Massachusetts |
Related Census Records
Pedigree Summary
Margaret + 4 siblings
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)