MC
Margaret Crawford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Crawford across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Crawford |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| James Crawford | Head | — | 50 | ~1890 |
| Annie Crawford | Daughter | — | 25 | ~1915 |
| John Crawford | Son | — | 10 | ~1930 |
| James Crawford | Son | — | 9 | ~1931 |
| Margaret Crawford | Spouse | — | 49 | ~1891 |
| Catherine Crawford | Daughter | — | 14 | ~1926 |
| Margaret Crawford | Daughter | — | 16 | ~1924 |
| Adeline Crawford | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 6
Suffolk, Massachusetts · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 8 household members
| Surname | Crawford |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | Hs 2 |
| 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 Crawford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Crawford
Daughter · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
John Crawford
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Crawford
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Crawford
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Crawford
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adeline Crawford
Sibling · 1940 · age 13
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-t0627-01659-00311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Smith | 25 | son | Clerk | Massachusetts |
| 2 | William Smith | 22 | son | Clerk | Massachusetts |
| 3 | John Smith | 20 | son | Typist | Massachusetts |
| 4 | Patrick Collins | 58 | Head | Laborer | Eire |
| 5 | Cornelius Collins | 37 | son | Salesman | Massachusetts |
| 6 | John Collins | 31 | son | New Worker | Massachusetts |
| 7 | Annie Flaherty | 55 | sister in law | — | Eire |
| 8 | Daniel Corcoran | 39 | Lodger | Laborer | Eire |
| 9 | Morris Powers | 79 | Head | — | Canada Eng |
| 10 | Catherine Dolan | 48 | Head | — | Massachusetts |
| 11 | Frederick Dolan | 31 | son | Truck Driver | Massachusetts |
| 12 | Margaret Walker | 80 | Head | — | Eire |
| 13 | John Walker | 46 | son | — | Massachusetts |
| 14 | Mary Walker | 44 | daughter | — | Massachusetts |
| 15 | Theresa Walker | 27 | daughter | — | Massachusetts |
| 16 | Daniel Quilla | 77 | Lodger | — | Massachusetts |
| 17 | James Crawford | 50 | Head | Chauffeur | Massachusetts |
| 18 | Margaret Crawford | 49 | Wife | — | Massachusetts |
| 19 | Annie Crawford | 25 | daughter | — | Massachusetts |
| 20 | Margaret Crawford THIS PERSON | 16 | daughter | — | Massachusetts |
| 21 | Catherine Crawford | 14 | daughter | — | Massachusetts |
| 22 | Adeline Crawford | 13 | daughter | — | Massachusetts |
| 23 | John Crawford | 10 | son | — | Massachusetts |
| 24 | James Crawford | 9 | son | — | Massachusetts |
| 25 | Manuel Morris | 38 | Head | Shipfitters Helper | Rhode Island |
| 26 | Margaret Morris | 33 | Wife | — | Massachusetts |
| 27 | Joseph Morris | 12 | son | — | Massachusetts |
| 28 | Gloria Morris | 11 | daughter | — | Massachusetts |
| 29 | Jack Morris | 4 | son | — | Massachusetts |
| 30 | Larry Morris | 1 | son | — | Massachusetts |
| 31 | Patrick Harrington | 32 | Head | Fireman | Eire |
| 32 | Nora Harrington | 31 | Wife | — | Eire |
| 33 | Patricia Harrington | 5 | daughter | — | Massachusetts |
| 34 | John Harrington | 4 | son | — | Massachusetts |
| 35 | Mary Harrington | 2 | daughter | — | Massachusetts |
| 36 | Kulas Mcdinnis | 45 | Head | Machinist | Massachusetts |
| 37 | Catherine Mcdinnis | 50 | Wife | — | Massachusetts |
| 38 | Agnes Murray | 48 | Head | Carpenter | Massachusetts |
| 39 | Agnes Murray | 16 | daughter | — | Massachusetts |
| 40 | Evelyn Murray | 31 | daughter | New Worker | Massachusetts |
Related Census Records
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)