MC
Mary Carter — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Carter across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1907), then head of a 6-person household.
Age 33
b. ~1907
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Carter |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Methuen |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 1500 |
| Highest Grade | C 4 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Methuen |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Carter | Daughter | — | 33 | ~1907 |
| Dorothy Delaney | Daughter | — | 29 | ~1911 |
| James Carter | Head | — | 71 | ~1869 |
| Patricia Delaney | Other | — | 1 | ~1939 |
| George Delaney | Other | — | 32 | ~1908 |
| Ellen Carter | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 13
Essex, Massachusetts · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 22
Essex, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 33
Essex-County, Massachusetts · implied b. ~1907 — 6 household members
| Surname | Carter |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Methuen |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 1500 |
| Highest Grade | C 4 |
| 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 Carter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Carter (~0.92 confidence) and father James Carter (~0.92 confidence) and mother Ellen Carter (~0.92 confidence) and mother Ellen Carter (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Carter
b. ~1869
Source father
● Household
· direct · ~0.92
Father
James Carter
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ellen Carter
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Ellen Carter
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Carter
Daughter · 1940 · age 33 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Dorothy Delaney
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 — 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-t0627-01586-00579)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Carter | 71 | Head | Engineer | Massachusetts |
| 42 | Ellen D. Carter | 65 | Wife | — | Massachusetts |
| 43 | Mary Carter THIS PERSON | 33 | Daughter | Teacher | Massachusetts |
| 44 | George Delaney | 32 | Son-in-law | Office Worker | Massachusetts |
| 45 | Dorothy Delaney | 29 | Daughter | Clerk | Massachusetts |
| 46 | Patricia Delaney | 1 | Granddaughter | — | Massachusetts |
| 47 | Frederick Watmough | 43 | Head | Percher | Massachusetts |
| 48 | Stella Watmough | 33 | Wife | — | Nova Scotia |
| 49 | Lois Watmough | 9 | Daughter | — | Massachusetts |
| 50 | Marion Watmough | 8 | Daughter | — | Massachusetts |
| 51 | Hazel Watmough | 7 | Daughter | — | Massachusetts |
| 52 | Warren Watmough | 6 | Son | — | Massachusetts |
| 53 | Rose Watmough | 2 | Daughter | — | Massachusetts |
| 54 | Elfis Lucchesi | 50 | Head | Contractor | Italy |
| 55 | Rosaria Lucchesi | 47 | Wife | — | Italy |
| 56 | Josephine Avezana | 27 | Daughter | Clerk | Massachusetts |
| 57 | Veronica Lucchesi | 23 | Daughter | Dopher | Massachusetts |
| 58 | Leo Lucchesi | 22 | Son | Main Boy | Massachusetts |
| 59 | Rita Lucchesi | 19 | Daughter | Tricker | Massachusetts |
| 60 | Geraldine Lucchesi | 5 | Daughter | — | Massachusetts |
| 61 | Anthony Avezana | 40 | Son-in-law | Laborer | Italy |
| 62 | Clinton Hoffman | 35 | Head | Shipper | Massachusetts |
| 63 | Cynthia Hoffman | 31 | Wife | — | Massachusetts |
| 64 | Clinton Jr. Hoffman | 5 | Son | — | Massachusetts |
| 65 | Collette Hoffman | 2 | Daughter | — | Massachusetts |
| 66 | Alfred Gerard | 46 | Head | Piper | Vermont |
| 67 | Alma Gerard | 50 | Wife | — | Connecticut |
| 68 | Berthold Bleicher | 65 | Head | Waste Man | Germany |
| 69 | Johanna Bleicher | 61 | Wife | — | Austria |
| 70 | Lena Maher | 77 | Head | — | Germany |
| 71 | Evelyn Maher | 31 | Daughter | Mill Hand | Massachusetts |
| 72 | Erwin Maher | 32 | Son-in-law | Office Worker | Massachusetts |
| 73 | William Eberhardt | 44 | Head | Chauffer | Massachusetts |
| 74 | Anne Eberhardt | 45 | Wife | — | Germany |
| 75 | William Jr. Eberhardt | 19 | Son | Laborer | Massachusetts |
| 76 | Walter Eberhardt | 12 | Son | — | Massachusetts |
| 77 | Doris Eberhardt | 9 | Daughter | — | Massachusetts |
| 78 | Patrick Kelleher | 54 | Head | Baker | Ireland |
| 79 | Katherine Kelleher | 58 | Wife | — | Massachusetts |
| 80 | Claire Marie Doucette | 13 | — | — | Massachusetts |
Pedigree Summary
Mary + 1 sibling
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)