MC
Mabel Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mabel Clark across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 4-person household.
Age 69
b. ~1871
Female
Spouse
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Clark |
| Given Name | Mabel S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Melrose |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Melrose |
| Est. Birth Year | ~1871 |
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 Mabel | Age | Birth yr |
|---|---|---|---|---|
| Albert Clark | Head | — | 77 | ~1863 |
| Frederic Clark | Son | — | 32 | ~1908 |
| Mabel Clark | Spouse | — | 69 | ~1871 |
| Gladys Clark | Daughter | — | 45 | ~1895 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 49
Middlesex, Massachusetts · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mabel S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Middlesex, Massachusetts
Other, age 59
Middlesex, Massachusetts · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mabel F. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 19 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Middlesex-County, Massachusetts
Spouse, age 69
Middlesex-County, Massachusetts · implied b. ~1871 — 4 household members
| Surname | Clark |
| Given Name | Mabel S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Melrose |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Mabel 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
Mabel Clark
Spouse · 1940 · age 69 · b. ~1871 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01613-00152)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Georgina Murray | 49 | Wife | — | Nova Scotia |
| 2 | Betty Murray | 15 | Daughter | — | California |
| 3 | Margaret Murray | 14 | Daughter | — | California |
| 4 | June Murray | 12 | Daughter | — | Mass |
| 5 | Charles G. Rapp | 64 | Head | Florist | Germany |
| 6 | Mary Rapp | 62 | Wife | — | Germany |
| 7 | Lena C. Rapp | 31 | Daughter | Typist | New York |
| 8 | Albert W. Clark | 77 | Head | Retired | Maine |
| 9 | Mabel S. Clark THIS PERSON | 69 | Wife | — | New Hampshire |
| 10 | Gladys Clark | 45 | Daughter | File Clerk | Mass |
| 11 | Frederic N. Clark | 32 | Son | Advertiser | Mass |
| 12 | Leo Moulason | 29 | Head | Contractor | Nova Scotia |
| 13 | Irene D. Moulason | 36 | Wife | — | Mass |
| 14 | Blanche Moulason | 12 | Daughter | — | Mass |
| 15 | Jeanette Moulason | 8 | Daughter | — | Mass |
| 16 | George Moulason | 67 | Head | Retired | Nova Scotia |
| 17 | Margaret Moulason | 65 | Wife | — | Nova Scotia |
| 18 | Aby Maillet | 14 | Grandson | — | Mass |
| 19 | Albert A. Fischer | 54 | Head | Meat Cutter | Germany |
| 20 | E. Marie Fischer | 57 | Wife | — | Germany |
| 21 | Anita L. Fischer | 14 | Daughter | — | Mass |
| 22 | James H. Maguire | 55 | Head | Operating Foreman | Mass |
| 23 | Lillian Maguire | 45 | Wife | — | Mass |
| 24 | James G. Maguire | 26 | Son | Leather Worker | Mass |
| 25 | Lillian Maguire | 24 | Daughter | Waitress | Mass |
| 26 | John Maguire | 23 | Son | Truck Driver | Mass |
| 27 | Ruth Maguire | 21 | Daughter | Hair Dresser | Mass |
| 28 | Frances Maguire | 19 | Daughter | Training For Nurse | Mass |
| 29 | Anna Maguire | 12 | Daughter | — | Mass |
| 30 | Thomas Maguire | 10 | Son | — | Mass |
| 31 | Herman B. Gerade | 69 | Head | Retired | Germany |
| 32 | Anna C. Gerade | 68 | Wife | — | Germany |
| 33 | Charles L. Goldsmith | 24 | Head | Clerk | Mass |
| 34 | Mildred Goldsmith | 23 | Wife | — | Mass |
| 35 | Charles Jr. Goldsmith | 2 | Son | — | Mass |
| 36 | John D. Martin | 41 | Head | Mechanic | New Hampshire |
| 37 | Fanny Martin | 45 | Wife | — | Mass |
| 38 | Kathleen Martin | 8 | Daughter | — | Mass |
| 39 | Esther Van Orden | 16 | State Child | — | Mass |
| 40 | Jane E. Wood | 76 | — | Retired | Mass |
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)