JM
James Mills — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this James Mills across the 1910, 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Harriet & Joseph — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Mills |
| Given Name | James Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Worcester |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Sheet-Metal Worker |
| Industry | Sheet-metal Co. |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 615 |
| Highest Grade | No 4 |
| 1935 Residence | Mass. |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Sheet-Metal Worker |
| Township / Ward | Shrewsbury |
| Est. Birth Year | ~1901 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Mills | Head | — | 39 | ~1901 |
| Frederick Mills | Son | — | 10 | ~1930 |
| James Mills | Son | — | 17 | ~1923 |
| Grace Mills | Spouse | — | 37 | ~1903 |
Census Appearances
1910
Worcester, Massachusetts
Son, age 9
Worcester, Massachusetts · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mills |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1907 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
Worcester, Massachusetts
Son, age 19
Worcester, Massachusetts · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mills |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1907 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Electrician |
| Industry | Electric Supply |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Worcester, Massachusetts
Head, age 29
Worcester, Massachusetts · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mills |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Alien |
| Year of Immigration | 1908 |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Electrician |
| Industry | General Electricity |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Worcester-County, Massachusetts
Head, age 39
Worcester-County, Massachusetts · implied b. ~1901 — 4 household members
| Surname | Mills |
| Given Name | James Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Worcester |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Occupation | Sheet-Metal Worker |
| Industry | Sheet-metal Co. |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 615 |
| Highest Grade | No 4 |
| 1935 Residence | Mass. |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Mills across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Harriet Mills (~0.92 confidence) and father Joseph Mills (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Harriet Mills
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Joseph Mills
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Mills
Head · 1940 · age 39 · b. ~1901 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01653-00931)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nancy Knowles | 57 | Lodger | Cook | Mass. |
| 2 | Richard Wentzell | 30 | Head | Manager | Mass. |
| 3 | Ruth Wentzell | 22 | Wife | — | Mass. |
| 4 | George H. Sr. Johnson | 52 | Head | Manager | Sweden |
| 5 | Edith M. Johnson | 44 | Wife | — | Mass. |
| 6 | George H. Jr. Johnson | 17 | Son | — | Mass. |
| 7 | William C. Johnson | 12 | Son | — | Mass. |
| 8 | Elise M. Johnson | 9 | Daughter | — | Mass. |
| 9 | David P. Johnson | 7 | Son | — | Mass. |
| 10 | Everett G. Sr. Brown | 43 | Head | Cutter | Mass. |
| 11 | Lillian Brown | 40 | Wife | — | Mass. |
| 12 | Everett Jr. Brown | 17 | Son | — | Mass. |
| 13 | Robert Brown | 13 | Son | — | Mass. |
| 14 | William Brown | 11 | Son | — | Mass. |
| 15 | Richard Brown | 7 | Son | — | Mass. |
| 16 | James Sr. Mills THIS PERSON | 39 | Head | Sheet-Metal Worker | England |
| 17 | Grace Mills | 37 | Wife | Finisher | Mass. |
| 18 | James Jr. Mills | 17 | Son | — | Mass. |
| 19 | Frederick Jr. Mills | 10 | Son | — | Mass. |
| 20 | Oscar G. Russell | 63 | Head | Proprietor | Sweden |
| 21 | Ellen A. Russell | 63 | Wife | Cook | Sweden |
| 22 | Joseph J. Lively | 30 | Head | Clerk | Mass. |
| 23 | Elizabeth Lively | 28 | Wife | — | Mass. |
| 24 | Thomas J. Lively | 2 | Son | — | Mass. |
| 25 | John H. Lively | 0 | Son | — | Mass. |
| 26 | James E. Whitcomb | 38 | Head | Clerk | Mass. |
| 27 | Anna Whitcomb | 25 | Wife | Salesgirl | Mass. |
| 28 | George Loiseau | 21 | Head | Truck-Driver | Mass. |
| 29 | Doris Loiseau | 21 | Wife | — | Mass. |
| 30 | John Loiseau | 0 | Son | — | Mass. |
| 31 | Flora Dupre | 43 | Head | Bookkeeper | Mass. |
| 32 | Yvonne Dupre | 39 | Sister | Secretary | Mass. |
| 33 | Hanna Bergstrom | 57 | Head | Nurse | Sweden |
| 34 | Carl Westerman | 38 | Head | Wire-Drawer | Mass. |
| 35 | Iora Westerman | 44 | Wife | — | Sweden |
| 36 | Robert Westerman | 17 | Son | — | Mass. |
| 37 | Dorothea Westerman | 14 | Daughter | — | Mass. |
| 38 | Robert Bordick | 44 | Head | Laborer | Connecticut |
| 39 | Ida Bordick | 42 | Wife | — | Mass. |
Pedigree Summary
James
Gen 1 · 2 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)