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James Bailey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Bailey across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & Constance — first a son (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Bailey |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden (City) |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1900 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Baker | Daughter | — | 35 | ~1905 |
| Albert Bailey | Head | — | 72 | ~1868 |
| Ralph Baker | Other | — | 33 | ~1907 |
| Beverly Baker | Other | — | 9 | ~1931 |
| James Bailey | Son | — | 40 | ~1900 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 21
Middlesex, Massachusetts · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Agent |
| Industry | Insurance |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 30
Middlesex, Massachusetts · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Agent |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 40
Middlesex-County, Massachusetts · implied b. ~1900 — 5 household members
| Surname | Bailey |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden (City) |
| 1935 Residence (County) | Middlesex |
| Highest Grade | 8 |
| 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 James Bailey across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Bailey (~0.92 confidence) and mother Constance Bailey (~0.92 confidence) and mother Louise Bailey (~0.92 confidence) and father Albert Bailey (~0.92 confidence) and mother Clara Bailey (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Bailey
b. ~1849
Source father
● Household
· direct · ~0.92
Mother
Constance Bailey
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Louise Bailey
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
Albert Bailey
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Clara Bailey
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Bailey
Son · 1940 · age 40 · b. ~1900 · Massachusetts
★ You are viewing this record
Sibling
Dorothy Baker
Sibling · 1940 · age 35
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-t0627-01608-00638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Royat | 45 | Head | Baker | Greece |
| 2 | Dorothy Royat | 36 | Wife | — | Massachusetts |
| 3 | Doris W Royat | 18 | Daughter | Waitress | Massachusetts |
| 4 | Richard Royat | 3 | Son | — | Massachusetts |
| 5 | Arthur Brussard | 35 | Head | Carpenter | Canada French |
| 6 | Anne Brussard | 32 | Wife | — | Eire |
| 7 | Arthur M. Brussard | 2 | Son | — | Massachusetts |
| 8 | Robert P. Brussard | 0 | Son | — | Massachusetts |
| 9 | Sylvia Rose Brussard | 0 | Daughter | — | Massachusetts |
| 10 | George D. Tucker | 49 | Head | Shoe Buyer | Maine |
| 11 | Lucy A Tucker | 45 | Wife | — | Maine |
| 12 | Martha Thompson | 60 | Head | — | Massachusetts |
| 13 | Florence Thompson | 30 | Daughter | Dietician | Massachusetts |
| 14 | Wesley Chellis | 24 | Head | Dental Mechanic | Massachusetts |
| 15 | Paul Helen Chellis | 24 | Wife | Domestic Worker | Vermont |
| 16 | Minnie E Crosby | 77 | Head | — | Massachusetts |
| 17 | Albert W Bailey | 72 | Head | — | Massachusetts |
| 18 | James A Bailey THIS PERSON | 40 | Son | — | Massachusetts |
| 19 | Ralph Baker | 33 | Son-in-law | Treasurer | Massachusetts |
| 20 | Dorothy Baker | 35 | Daughter | — | Massachusetts |
| 21 | Beverly J Baker | 9 | Granddaughter | — | Massachusetts |
| 22 | Everett A Davis | 40 | Head | Bookkeeper | Connecticut |
| 23 | Beatrice Davis | 39 | Wife | — | Massachusetts |
| 24 | Robert E Davis | 2 | Son | — | Massachusetts |
| 25 | Mary Bridgman | 63 | Mother-in-law | Housekeeper | England |
| 26 | Melville Francis | 59 | Head | Dentist | Maine |
| 27 | Clara Francis | 42 | Wife | — | New York |
| 28 | Martina Butler | 62 | Lodger | Salesgirl | Massachusetts |
| 29 | William Cunningham | 54 | Head | President | Massachusetts |
| 30 | Margaret Cunningham | 53 | Wife | — | Massachusetts |
| 31 | Mary Margaret Cunningham | 30 | Daughter | Investigator | Massachusetts |
| 32 | Richard Cunningham | 28 | Son | Shipper | Massachusetts |
| 33 | Barbara Cunningham | 24 | Daughter | Secretary | Massachusetts |
| 34 | William Cunningham | 21 | Son | Miller | Massachusetts |
| 35 | Elizabeth Cunningham | 19 | Daughter | — | Massachusetts |
| 36 | Carl Duff | 38 | Head | Treasurer | Massachusetts |
| 37 | Mae Duff | 38 | Wife | — | New Jersey |
| 38 | Hannah Mckeon | 80 | Mother-in-law | — | New York |
| 39 | Winthrop Berry | 58 | Head | Fish Cutter | Massachusetts |
Pedigree Summary
James + 1 sibling
Gen 1 · 5 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)