AC
Alice Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Alice Cox across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a daughter (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Cox |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 885 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | Malden City |
| Est. Birth Year | ~1913 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Helen Cox | Daughter | — | 29 | ~1911 |
| Mary Cox | Daughter | — | 21 | ~1919 |
| Lena Cox | Spouse | — | 46 | ~1894 |
| Edward Cox | Head | — | 47 | ~1893 |
| Alice Cox | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 9
Middlesex, Massachusetts · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Alice G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 19
Middlesex, Massachusetts · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Canada-English |
| Occupation | Stenographer |
| Industry | Law Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 27
Middlesex-County, Massachusetts · implied b. ~1913 — 5 household members
| Surname | Cox |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Occupation | Stenographer |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 885 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Alice Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Cox (~0.92 confidence) and father Edward Cox (~0.92 confidence) and father Edward Cox (~0.92 confidence) and mother Lena Cox (~0.92 confidence) and mother Lena Cox (~0.92 confidence) and mother Margaret Cox (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Cox
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Edward Cox
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Edward Cox
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lena Cox
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Lena Cox
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Margaret Cox
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Cox
Daughter · 1940 · age 27 · b. ~1913 · Massachusetts
★ You are viewing this record
Sibling
Mary Cox
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Cox
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01609-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Evelyn J Sullivan | 46 | Wife | — | Massachusetts |
| 42 | Virginia W Sullivan | 13 | Daughter | — | Massachusetts |
| 43 | Geraldine N Sullivan | 11 | Daughter | — | Massachusetts |
| 44 | Herbert A Sullivan | 6 | Son | — | Massachusetts |
| 45 | Nickolas Carroll | 80 | Head | — | Russia |
| 46 | Emma P Carroll | 77 | Wife | — | Sweden |
| 47 | Florence P Murphy | 51 | Daughter | — | Mass |
| 48 | Carl A Pearson | 46 | Head | Carpenter | Sweden |
| 49 | Pauline E Pearson | 47 | Wife | — | Sweden |
| 50 | Ingrid E Pearson | 14 | Daughter | — | Sweden |
| 51 | Carl F Pearson | 12 | Son | — | Sweden |
| 52 | Roy A Pearson | 8 | Son | — | Massachusetts |
| 53 | Mildred P Pearson | 7 | Daughter | — | Massachusetts |
| 54 | Robert H Morse | 20 | Head | Maintainance | Massachusetts |
| 55 | Gertrude E Morse | 19 | Wife | 50 | Massachusetts |
| 56 | Robert L Morse | 0 | Son | — | Massachusetts |
| 57 | Harry A Jenkins | 42 | Father-in-law | Laborer | Massachusetts |
| 58 | Gertrude E Jenkins | 42 | Mother-in-law | — | Eire |
| 59 | June B Jenkins | 18 | Sister-in-law | Housekeeping | Massachusetts |
| 60 | Harry W Jenkins | 15 | Brother-in-law | — | Massachusetts |
| 61 | Mary B Balcomb | 71 | Head | — | Massachusetts |
| 62 | George N Calahan | 30 | Head | Manager | Massachusetts |
| 63 | Alleyne B Calahan | 32 | Wife | — | Massachusetts |
| 64 | Lois M Calahan | 7 | Daughter | — | Massachusetts |
| 65 | Edward Cox | 47 | Head | Mechanic | Connecticut |
| 66 | Lena Cox | 46 | Wife | — | Canada-English |
| 67 | Helen Cox | 29 | Daughter | Stenographer | Massachusetts |
| 68 | Alice Cox THIS PERSON | 27 | Daughter | Stenographer | Massachusetts |
| 69 | Mary Cox | 21 | Daughter | — | Massachusetts |
| 70 | Albert Draper | 58 | Head | Watchman | England |
| 71 | Mary Draper | 56 | Wife | — | Canada-English |
| 72 | Alice Draper | 20 | Daughter | Clerical | Massachusetts |
| 73 | William E Vadnais | 31 | Head | Driver | Massachusetts |
| 74 | Christine M Vadnais | 31 | Wife | — | Eire |
| 75 | William E Jr Vadnais | 2 | Son | — | Massachusetts |
| 76 | Franklin R Mcmeekin | 49 | Head | Machinist | Vermont |
| 77 | Charlotte B Mcmeekin | 54 | Wife | — | Vermont |
| 78 | Richard L Mcmeekin | 9 | Son | — | Massachusetts |
| 79 | Ceceile F Wright | 35 | Lodger | Secretary | Vermont |
Pedigree Summary
Alice + 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)