MH
Mildred Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mildred Harris across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Israel & Amos — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Harris |
| Given Name | Mildred E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Telephone company |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 962 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Everett |
| Est. Birth Year | ~1916 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Amos Harris | Head | — | 61 | ~1879 |
| Mildred Harris | Spouse | — | 57 | ~1883 |
| Mildred Harris | Daughter | — | 24 | ~1916 |
| George Harris | Son | — | 17 | ~1923 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 4
Suffolk, Massachusetts · implied b. ~1916 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Mildred |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 14
Suffolk, Massachusetts · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 24
Middlesex-County, Massachusetts · implied b. ~1916 — 4 household members
| Surname | Harris |
| Given Name | Mildred E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett |
| 1935 Residence (County) | Middlesex |
| Occupation | Clerk |
| Industry | Telephone company |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 962 |
| Highest Grade | C 2 |
| 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 Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Israel Harris (~0.92 confidence) and father Amos Harris (~0.92 confidence) and mother Bessie Harris (~0.92 confidence) and mother Mildred Harris (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Israel Harris
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Amos Harris
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Bessie Harris
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mildred Harris
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Harris
Daughter · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
George Harris
Sibling · 1940 · age 17
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 — 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-t0627-01605-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beatrice Greene | 23 | Daughter | Clerk | Massachusetts |
| 2 | George Greene | 23 | Son | Postal Carrier | Massachusetts |
| 3 | Amos H. Harris | 61 | Head | Chauffeur | Canada-English |
| 4 | Mildred M. Harris | 57 | Wife | — | England |
| 5 | Mildred E. Harris THIS PERSON | 24 | Daughter | Clerk | Massachusetts |
| 6 | George S. Harris | 17 | Son | — | Massachusetts |
| 7 | Ada Buono | 60 | Head | — | Massachusetts |
| 8 | Arthur Buono | 24 | Son | Presser | Massachusetts |
| 9 | Florence Buono | 20 | Daughter | Clerk | Massachusetts |
| 10 | Francis Buono | 17 | Son | — | Massachusetts |
| 11 | Amelia Krul | 66 | Head | — | Maine |
| 12 | Ralph Cardoza | 47 | Head | Iron Worker | Massachusetts |
| 13 | Agnes Cardoza | 33 | Wife | — | Massachusetts |
| 14 | Mary Turner | 3 | Boarder | — | Massachusetts |
| 15 | John Mccarthy | 67 | Head | — | Irish Free State |
| 16 | Anna Mccarthy | 63 | Wife | — | Irish Free State |
| 17 | Elizabeth Mccarthy | 29 | Daughter | Stenographer | Massachusetts |
| 18 | Timothy Mccarthy | 32 | Son | Machine Operator | Massachusetts |
| 19 | Joseph Mackey | 55 | Head | — | Massachusetts |
| 20 | Mary Mackey | 53 | Wife | — | Massachusetts |
| 21 | Marilyn Mackey | 2 | Daughter | — | Massachusetts |
| 22 | Thomas Egan | 58 | Head | Machinist | Irish Free State |
| 23 | Anna Egan | 56 | Wife | — | Irish Free State |
| 24 | Anna Egan | 16 | Daughter | — | Massachusetts |
| 25 | Willard Poole | 67 | Head | Proprietor | Canada-English |
| 26 | Laura Poole | 59 | Wife | — | Canada-English |
| 27 | Bessie M. Poole | 22 | Daughter | Dictaphone Operator | Massachusetts |
| 28 | Albert Petrillo | 35 | Head | Florist | Massachusetts |
| 29 | Carmella Petrillo | 35 | Wife | — | Massachusetts |
| 30 | Albert Petrillo | 1 | Son | — | Massachusetts |
| 31 | Anthony De Filli | 52 | Head | Handy Man | Italy |
| 32 | Bridget De Filli | 49 | Wife | — | Italy |
| 33 | Agusta De Filli | 18 | Daughter | Machine Operator | Massachusetts |
| 34 | Lena De Filli | 15 | Daughter | — | Massachusetts |
| 35 | Albert De Marco | 47 | Head | Milkman | Italy |
| 36 | Antonette De Marco | 40 | Wife | — | Italy |
| 37 | Anthony De Marco | 25 | Son | Attendant | Massachusetts |
| 38 | Virginia De Marco | 14 | Daughter | — | Massachusetts |
| 39 | Antonia Barabile | 77 | Head | — | Italy |
| 40 | Nuncianta Barabile | 67 | Wife | — | Italy |
Pedigree Summary
Mildred + 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)