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Margaret Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Martin across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Peter & Mary — first a daughter (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Martin |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Typist |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Typist |
| Township / Ward | Boston |
| Est. Birth Year | ~1910 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Mary Martin | Daughter | — | 31 | ~1909 |
| Rose Martin | Daughter | — | 29 | ~1911 |
| Margaret Martin | Daughter | — | 30 | ~1910 |
| Peter Martin | Head | — | 65 | ~1875 |
| Margaret Martin | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 9
Suffolk, Massachusetts · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 20
Suffolk, Massachusetts · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Cashier |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 30
Suffolk-County, Massachusetts · implied b. ~1910 — 5 household members
| Surname | Martin |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Typist |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | H 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 Margaret Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence) and mother Margaret Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Martin
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Margaret Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Martin
Daughter · 1940 · age 30 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Mary Martin
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Martin
Sibling · 1940 · age 29
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-t0627-01670-00313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elaine Brousen | 21 | Daughter | — | Canada-Eng |
| 42 | Isabelle Harvey | 65 | Head | — | Irish Free State |
| 43 | Willard M. Victory | 63 | Head | Drayman | Canada-Eng |
| 44 | Christina M. Victory | 59 | Wife | Laundress | Irish Free State |
| 45 | John Mciver | 55 | Head | Carpenter | Canada-Eng |
| 46 | Margaret Mciver | 50 | Wife | — | Canada-Eng |
| 47 | Walter Jackson | 36 | Head | Presser | Massachusetts |
| 48 | Elizabeth Jackson | 36 | Wife | — | Bermuda |
| 49 | Lelia Jackson | 14 | Daughter | — | Massachusetts |
| 50 | Walter Jackson | 13 | Son | — | Massachusetts |
| 51 | Winston Jackson | 12 | Son | — | Massachusetts |
| 52 | Frederick Jackson | 10 | Son | — | Massachusetts |
| 53 | Eliot Jackson | 6 | Son | — | Massachusetts |
| 54 | Clarence Wright | 42 | Head | Night Watchman | Massachusetts |
| 55 | Lottie Wright | 40 | Wife | — | Massachusetts |
| 56 | Russell Wright | 21 | Son | Elevator Boy | Massachusetts |
| 57 | Warren Wright | 19 | Son | — | Massachusetts |
| 58 | Charles Wright | 17 | Son | — | Massachusetts |
| 59 | Nettie Wright | 13 | Daughter | — | Massachusetts |
| 60 | Lottie Wright | 10 | Daughter | — | Massachusetts |
| 61 | Chester Wright | 6 | Son | — | Massachusetts |
| 62 | Gloria Wright | 4 | Daughter | — | Massachusetts |
| 63 | Florence Wright | 2 | Daughter | — | Massachusetts |
| 64 | George Thorpe | 34 | Head | Weighter | Massachusetts |
| 65 | Harriet Thorpe | 33 | Wife | — | Pennsylvania |
| 66 | Walter Thorpe | 11 | Son | — | Massachusetts |
| 67 | Richard Thorpe | 7 | Son | — | Massachusetts |
| 68 | James Shelton | 55 | Head | Contractor | Virginia |
| 69 | Marie Shelton | 54 | Wife | — | Virginia |
| 70 | Kenneth Shelton | 21 | Son | Trap Drummer | Massachusetts |
| 71 | Amos Dupee | 78 | Brother-in-law | — | Virginia |
| 72 | Enid Dupee | 48 | Brother | — | Massachusetts |
| 73 | Peter Martin | 65 | Head | Wool Weigher | North Ireland |
| 74 | Margaret Martin | 63 | Wife | — | North Ireland |
| 75 | Mary Martin | 31 | Daughter | — | Massachusetts |
| 76 | Margaret Martin THIS PERSON | 30 | Daughter | Typist | Massachusetts |
| 77 | Rose Martin | 29 | Daughter | Clerk | Massachusetts |
| 78 | Harold Roberts | 42 | Head | Chauffeur | Massachusetts |
| 79 | Mary Roberts | 39 | Wife | — | Canada-Eng |
| 80 | Arlene Roberts | 17 | Daughter | — | Massachusetts |
Pedigree Summary
Margaret + 2 siblings
Gen 1 · 4 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)