MC
Margaret Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Margaret Clark across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Clark |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Haverhill city |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Haverhill City |
| Est. Birth Year | ~1883 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Hilda Clark | Daughter | — | 24 | ~1916 |
| Andrew Clark | Head | — | 58 | ~1882 |
| Andrew Clark | Son | — | 25 | ~1915 |
| Margaret Clark | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Essex, Massachusetts
Spouse, age 34
Essex, Massachusetts · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Maggie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1911 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Weaver |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Essex, Massachusetts
Spouse, age 43
Essex, Massachusetts · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Margaret A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 25 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Essex-County, Massachusetts
Spouse, age 57
Essex-County, Massachusetts · implied b. ~1883 — 4 household members
| Surname | Clark |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Haverhill city |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Clark
Spouse · 1940 · age 57 · b. ~1883 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01580-00114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph Cohane | 44 | Head | Distributor Prod. | Massachusetts |
| 2 | Anna Cohane | 41 | Wife | — | Lithuania |
| 3 | Madelyn Cohane | 16 | Daughter | — | Massachusetts |
| 4 | Herbert A. Chase | 75 | Head | Landlord | Massachusetts |
| 5 | Katherine M. Chase | 75 | Wife | — | Massachusetts |
| 6 | George F. Chase | 79 | Brother | — | Massachusetts |
| 7 | Bernadette V. M. Carrier | 28 | Maid | Maid | Massachusetts |
| 8 | Wesley K. Johnson | 29 | Head | Credit Manager | Massachusetts |
| 9 | Ruth Johnson | 25 | Wife | — | Massachusetts |
| 10 | Gail Johnson | 5 | Daughter | — | Massachusetts |
| 11 | Frank E. Clark | 49 | Head | Treer | New Hampshire |
| 12 | Bessie Clark | 47 | Wife | Liner-Inner | Massachusetts |
| 13 | Lena Lessard | 37 | Head | Housekeeper | Massachusetts |
| 14 | Daniel F. Shea | 54 | Head | Shoe Cutter | Massachusetts |
| 15 | Mary L. Shea | 56 | Wife | Top-Stitcher | Canada-French |
| 16 | Elsie Williams | 37 | Head | Houseworker | Canada-English |
| 17 | Irene Williams | 18 | Daughter | Private Secretary | Canada-English |
| 18 | Evelyn Williams | 17 | Son | Clerical Worker | Canada-English |
| 19 | Garnet Williams | 15 | Daughter | — | Massachusetts |
| 20 | Marjory Williams | 9 | Daughter | — | Massachusetts |
| 21 | Harry Lucier | 57 | Head | Watchman Janitor | New Hampshire |
| 22 | Stella Lucier | 57 | Wife | — | Massachusetts |
| 23 | Agnes C. Barfield | 68 | Lodger | — | Scotland |
| 24 | Patrick J. Mccarthy | 38 | Head | Shoe Cutter | Massachusetts |
| 25 | Caroline H. Mccarthy | 34 | Wife | — | Massachusetts |
| 26 | Marilyn Mccarthy | 8 | Daughter | — | Massachusetts |
| 27 | Robert Mccarthy | 7 | Son | — | Massachusetts |
| 28 | Patricia Mccarthy | 5 | Daughter | — | Massachusetts |
| 29 | Ruth Mccarthy | 4 | Daughter | — | Massachusetts |
| 30 | Nancy Mccarthy | 1 | Daughter | — | Massachusetts |
| 31 | Samuel Milden | 55 | Head | Proprietor | Russia |
| 32 | Bessie Milden | 50 | Wife | — | Russia |
| 33 | Alfred Milden | 32 | Son | Conveyer | Missouri |
| 34 | Evelyn Milden | 29 | Daughter | Clerical Work | Missouri |
| 35 | Andrew Clark | 58 | Head | General Baker | Scotland |
| 36 | Margaret Clark THIS PERSON | 57 | Wife | — | Scotland |
| 37 | Andrew Clark | 25 | Son | Assistant Foreman | Massachusetts |
| 38 | Hilda Clark | 24 | Daughter | Clerk | Massachusetts |
| 39 | Florence Grady | 39 | Head | Telephone Operator | Massachusetts |
| 40 | Isaac Grady | 62 | Brother | — | Eire |
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)