MS
Mildred Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mildred Smith across the 1910, 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Samuel & George — first a daughter (b.~1895), then head of a 5-person household.
Age 45
b. ~1895
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Smith |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | School Teacher |
| Industry | Junior High School |
| Class of Worker | GW |
| Hours Worked | 38 |
| Income (1939) | 1800 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1895 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Bernice Smith | Daughter | — | 37 | ~1903 |
| Mildred Smith | Daughter | — | 45 | ~1895 |
| Samuel Smith | Head | — | 71 | ~1869 |
| Herbert Smith | Son | — | 34 | ~1906 |
| Ethel Smith | Spouse | — | 68 | ~1872 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age 17
Essex, Massachusetts · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mildred A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Daughter, age 26
Essex, Massachusetts · implied b. ~1894 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | Primary School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 36
Essex, Massachusetts · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mildred E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | Methuen Town |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 45
Essex-County, Massachusetts · implied b. ~1895 — 5 household members
| Surname | Smith |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Occupation | School Teacher |
| Industry | Junior High School |
| Class of Worker | GW |
| Hours Worked | 38 |
| Income (1939) | 1800 |
| Highest Grade | C-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 Mildred Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Smith (~0.92 confidence) and father George Smith (~0.92 confidence) and mother Ethel Smith (~0.92 confidence) and mother Ethel Smith (~0.92 confidence) and mother Ethel Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Smith
b. ~1870
Source father
● Household
· direct · ~0.92
Father
George Smith
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Ethel Smith
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Ethel Smith
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Ethel Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Smith
Daughter · 1940 · age 45 · b. ~1895 · Massachusetts
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Sibling
Herbert Smith
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Smith
Sibling · 1940 · age 37
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
38 people indexed on this census page (nara:1940:m-t0627-01583-00969)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Rose | 19 | Daughter | — | Massachusetts |
| 42 | Samuel Smith | 71 | Head | — | England |
| 43 | Ethel Smith | 68 | Wife | — | Massachusetts |
| 44 | Mildred Smith THIS PERSON | 45 | Daughter | School Teacher | Massachusetts |
| 45 | Bernice Smith | 37 | Daughter | Nurse | Massachusetts |
| 46 | Herbert S. Smith | 34 | Son | Printer | Massachusetts |
| 47 | William E. Girard | 45 | Head | Foreman | Massachusetts |
| 48 | Mary O. Girard | 44 | Wife | Burler | Massachusetts |
| 49 | William J. Girard | 13 | Son | — | Massachusetts |
| 50 | James Blackwell | 43 | Head | Loom Fixer | Massachusetts |
| 51 | Josephine Blackwell | 41 | Wife | — | Massachusetts |
| 52 | Gertrude Blackwell | 10 | Daughter | — | Massachusetts |
| 53 | Shirley Blackwell | 6 | Daughter | — | Massachusetts |
| 54 | John Blackwell | 5 | Son | — | Massachusetts |
| 55 | Clarence Gutteridge | 55 | Head | Electrical Contractor | Massachusetts |
| 56 | Edith A. Gutteridge | 44 | Wife | — | New Brunswick |
| 57 | William C. Gutteridge | 13 | Son | — | Massachusetts |
| 58 | Barbara E. Gutteridge | 12 | Daughter | — | Massachusetts |
| 59 | Mary Nahoye | 72 | Head | — | Eire |
| 60 | Katherine Nahoye | 45 | Daughter | Examiner | Massachusetts |
| 61 | John I. Casey | 62 | Head | Chef | Massachusetts |
| 62 | Agnes Casey | 30 | Daughter | — | Massachusetts |
| 63 | Thomas F. Casey | 22 | Son | Sales Clerk | Massachusetts |
| 64 | Louise Casey | 19 | Daughter | Sales Clerk | Massachusetts |
| 65 | Nancy Casey | 18 | Daughter | Sales Clerk | Massachusetts |
| 66 | Jane F. Casey | 56 | Wife | — | Ireland |
| 67 | Alexander Mcfarland | 63 | Head | Watchman | Scotland |
| 68 | Sara Mcfarland | 60 | Wife | — | Scotland |
| 69 | William Duffin | 54 | Head | Truck Driver | Massachusetts |
| 70 | Mary V. Duffin | 44 | Wife | — | Massachusetts |
| 71 | Fred Nader | 37 | Head | Dealer | Lebanon |
| 72 | Esma Nader | 35 | Wife | — | Lebanon |
| 73 | Robert Nader | 9 | Son | — | Massachusetts |
| 74 | Fred Jr. Nader | 6 | Son | — | Massachusetts |
| 75 | John C. Doiron | 45 | Head | — | Canada |
| 76 | Flora Doiron | 47 | Wife | — | Massachusetts |
| 77 | Clare Doiron | 25 | Daughter | — | Massachusetts |
| 78 | John Jr. Doiron | 9 | Son | — | Massachusetts |
Pedigree Summary
Mildred + 2 siblings
Gen 1 · 6 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)