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Joan Miller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Joan Miller across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Miller |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Concord |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joan | Age | Birth yr |
|---|---|---|---|---|
| Barbara Miller | Daughter | — | 21 | ~1919 |
| Elizabeth Drake | Other | — | 84 | ~1856 |
| Marian Miller | Spouse | — | 52 | ~1888 |
| Hans Miller | Head | — | 50 | ~1890 |
| William Miller | Son | — | 23 | ~1917 |
| Joan Miller | Daughter | — | 19 | ~1921 |
| Anna Landrigan | Other | — | 45 | ~1895 |
| Clarence Blackall | Other | — | 83 | ~1857 |
| Emma Blackall | Other | — | 79 | ~1861 |
| Elizabeth Kuhl | Other | — | 24 | ~1916 |
Census Appearances
Daughter, age 9
Middlesex, Massachusetts · implied b. ~1921 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 19
Middlesex-County, Massachusetts · implied b. ~1921 — 10 household members
| Surname | Miller |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Middlesex |
| 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 Joan Miller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joan Miller
Daughter · 1940 · age 19 · b. ~1921 · Massachusetts
★ You are viewing this record
Sibling
Barbara Miller
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Miller
Sibling · 1940 · age 23
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-t0627-01603-01008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George E. Bates | 38 | Head | Professor | Missouri |
| 2 | Dorothea B. Bates | 34 | Wife | — | Massachusetts |
| 3 | George P. Bates | 8 | Son | — | Massachusetts |
| 4 | Nathaniel B. Bates | 5 | Son | — | Massachusetts |
| 5 | Lillian Hansen | 18 | Nurse | Child'S Nurse | Massachusetts |
| 6 | Hans W. Miller | 50 | Head | Enumerator | New York |
| 7 | Marian B. Miller | 52 | Wife | — | Massachusetts |
| 8 | William B. Miller | 23 | Son | Teacher | Massachusetts |
| 9 | Barbara R. Miller | 21 | Daughter | — | Massachusetts |
| 10 | Joan Miller THIS PERSON | 19 | Daughter | — | Massachusetts |
| 11 | Clarence H. Blackall | 83 | Father-in-law | — | New York |
| 12 | Emma M. Blackall | 79 | Mother-in-law | — | Massachusetts |
| 13 | Elizabeth G. Drake | 84 | Lodger | — | Massachusetts |
| 14 | Elizabeth Kuhl | 24 | Lodger | Teacher | New Hampshire |
| 15 | Anna Landrigan | 45 | Nurse | Trained Attendant | Canada-Eng |
| 16 | Elizabeth D. Millett | 55 | Head | — | Canada-Eng |
| 17 | Sarah M. Millett | 22 | Daughter | — | Massachusetts |
| 18 | Frances Banker | 52 | Head | — | Maryland |
| 19 | Henry J. Walcott | 67 | Head | Physician | Massachusetts |
| 20 | Margaret D. Walcott | 65 | Wife | — | Dist. Mich. State |
| 21 | Damon Valentine | 35 | Head | Salesman | Massachusetts |
| 22 | Ellen R. Valentine | 31 | Wife | — | Massachusetts |
| 23 | Virginia Valentine | 11 | Grand-daughter | — | Massachusetts |
| 24 | Harold C. Smith | 36 | Head | President | Illinois |
| 25 | Maud A. Smith | 34 | Wife | — | New York |
| 26 | Lewis Smith | 6 | Son | — | Massachusetts |
| 27 | Carolyn Smith | 3 | Daughter | — | Massachusetts |
| 28 | Charles L. Foote | 46 | Head | Sales Research | Massachusetts |
| 29 | Edith M. Foote | 46 | Wife | Social Worker | New York |
| 30 | Ann Rogers | 19 | Servant | Servant | Massachusetts |
| 31 | G. Walter Vialle | 68 | Head | Automobile Dealer | Massachusetts |
| 32 | Helen A. Vialle | 56 | Wife | — | Massachusetts |
| 33 | Vincent Vialle | 25 | Son | Salesman | Massachusetts |
| 34 | Virginia Vialle | 22 | Daughter | Secretary | Massachusetts |
| 35 | George E. Vialle | 18 | Son | Salesman | Massachusetts |
| 36 | Louise D. Purber | 37 | Head | Salesman | Massachusetts |
| 37 | Donald Purber | 11 | Son | — | Massachusetts |
| 38 | Lillian Purber | 9 | Daughter | — | Massachusetts |
| 39 | Lillian M. Purber | 64 | Mother-in-law | — | Massachusetts |
| 40 | Earl H. York | 35 | Head | Powder Man | New Hampshire |
Related Census Records
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)