MP
Mary Perry — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Perry across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | North Andover Town |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Boot Company |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 700 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | North Andover Town |
| Est. Birth Year | ~1917 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Winifred Perry | Daughter | — | 21 | ~1919 |
| Mary Perry | Daughter | — | 23 | ~1917 |
| Charles Perry | Head | — | 55 | ~1885 |
| Winifred Perry | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 2
Essex, Massachusetts · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 12
Essex, Massachusetts · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Mary |
| 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/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 23
Essex-County, Massachusetts · implied b. ~1917 — 4 household members
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | North Andover Town |
| 1935 Residence (County) | Essex |
| Occupation | Clerk |
| Industry | Boot Company |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 700 |
| 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 Mary Perry across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Perry (~0.92 confidence) and father Charles Perry (~0.92 confidence) and mother Winifred Perry (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Perry
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Charles Perry
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Winifred Perry
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Perry
Daughter · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Winifred Perry
Sibling · 1940 · age 21
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 — 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-t0627-01587-00564)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Boutin | 52 | Head | Cloth Finisher | Greece |
| 2 | Anna Boutin | 45 | Wife | — | Greece |
| 3 | Michael Salys | 47 | Head | Frame Tender | Lithuania |
| 4 | Monica Salys | 45 | Wife | — | Lithuania |
| 5 | Vitold Salys | 21 | Son | Clerk | Massachusetts |
| 6 | Luke Ward | 49 | Head | Weaver | England |
| 7 | Clare Ward | 50 | Wife | — | England |
| 8 | Joseph Midwood | 70 | Head | — | England |
| 9 | Matilda Midwood | 71 | Wife | — | England |
| 10 | Harold J Hapcott | 41 | Head | Weaver | England |
| 11 | Margaret B Hapcott | 41 | Wife | — | Scotland |
| 12 | Alice A Hapcott | 15 | Daughter | — | Massachusetts |
| 13 | Ernest Schofield | 52 | Head | Weaver | England |
| 14 | Hulda Schofield | 40 | Wife | — | England |
| 15 | Jack Schofield | 25 | Son | Clerk | Massachusetts |
| 16 | Catherine Dutton | 12 | Ward | — | Massachusetts |
| 17 | Charles Perry | 55 | Head | Weaver | Massachusetts |
| 18 | Winifred Perry | 51 | Wife | — | Massachusetts |
| 19 | Mary Perry THIS PERSON | 23 | Daughter | Clerk | Massachusetts |
| 20 | Winifred Perry | 21 | Daughter | Clerk | Massachusetts |
| 21 | Ernest Perry | 58 | Head | Machinist | Massachusetts |
| 22 | Martha E Perry | 59 | Wife | — | England |
| 23 | Catherine O'Hara | 60 | Sister in law | Specker On Cloth | England |
| 24 | David Mccoy | 36 | Head | Engineer | New York State |
| 25 | Sarah Mccoy | 36 | Wife | — | Irish Free State |
| 26 | Gloria Mccoy | 8 | Daughter | — | Massachusetts |
| 27 | Madelyn Mccoy | 5 | Daughter | — | Massachusetts |
| 28 | David J Mccoy | 2 | Son | — | Massachusetts |
| 29 | Hulda Emerson | 45 | Head | Frame Tender | England |
| 30 | Alice B Emerson | 20 | Daughter | Specker On Cloth | Massachusetts |
| 31 | Henry Hayman | 40 | Head | Clerk | England |
| 32 | Jessie M Hayman | 51 | Wife | — | England |
| 33 | George Sutton | 56 | Head | Cloth Finisher | England |
| 34 | Eliza A Sutton | 50 | Wife | — | England |
| 35 | Dorothy Sutton | 19 | Daughter | — | Massachusetts |
| 36 | George Stewart | 32 | Head | Machinist | Massachusetts |
| 37 | Harriett Stewart | 31 | Wife | Frame Tender | Massachusetts |
| 38 | George Jr Stewart | 10 | Son | — | Massachusetts |
| 39 | Shirley Stewart | 8 | Daughter | — | Massachusetts |
| 40 | Kenneth Brousseau | 22 | Nephew | Frame Tender | Massachusetts |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 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)