JM
John Mills — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this John Mills across the 1930 and 1940 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 9
b. ~1921
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Mills |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lynn Mass |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mabel Mills | Daughter | — | 13 | ~1917 |
| Ida Mills | Daughter | — | 15 | ~1915 |
| Bert Mills | Head | — | 44 | ~1886 |
| Mary Mills | Other | — | 41 | ~1889 |
| John Mills | Son | — | 9 | ~1921 |
| Arthur Mills | Son | — | 17 | ~1913 |
| Edward Mills | Son | — | 11 | ~1919 |
| James Mills | Son | — | 8 | ~1922 |
| Charles Mills | Son | — | 6 | ~1924 |
| Francis Mills | Son | — | 19 | ~1911 |
| Franklin Mills | Son | — | 5 | ~1925 |
Census Appearances
1930
Essex, Massachusetts
Son, age 9
Essex, Massachusetts · implied b. ~1921 — 11 household members
| Surname | Mills |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Other, age 19
Essex-County, Massachusetts · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mill |
| Given Name | John E. |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn city |
| 1935 Residence (County) | Essex |
| Occupation | Carpenter apprentice |
| Industry | N.Y.A. |
| Class of Worker | PW |
| Income (1939) | 205 |
| Highest Grade | H 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 John Mills across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mills
Son · 1930 · age 9 · b. ~1921 · Massachusetts
★ You are viewing this record
Sibling
Mabel Mills
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Mills
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mills
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Mills
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mills
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mills
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mills
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Mills
Sibling · 1930 · age 15
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
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel900:0628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur J. Donahue | 48 | Head | Asst. Foreman | Canada-English |
| 52 | Mary F. Donahue | 42 | Daughter | Inspector | Massachusetts |
| 53 | Albert Fournier | 39 | Head | Steamfitter | New Hampshire |
| 54 | Edith Fournier | 30 | Wife-H | — | Canada-English |
| 55 | Alberto Fournier | 12 | Daughter | — | Massachusetts |
| 56 | Albert Fournier | 9 | Son | — | Massachusetts |
| 57 | Bert Mills | 44 | Head | Painter | New Hampshire |
| 58 | Mary J. Mills | 41 | Wife-H | — | Massachusetts |
| 59 | Francis J. Mills | 19 | Son | Chauffeur | Massachusetts |
| 60 | Arthur W. Mills | 17 | Son | Painter Helper | Massachusetts |
| 61 | Ida Mills | 15 | Daughter | — | Massachusetts |
| 62 | Mabel Mills | 13 | Daughter | — | Massachusetts |
| 63 | Edward Mills | 11 | Son | — | Massachusetts |
| 64 | John Mills THIS PERSON | 9 | Son | — | Massachusetts |
| 65 | James Mills | 8 | Son | — | Massachusetts |
| 66 | Charles Mills | 6 | Son | — | Massachusetts |
| 67 | Franklin Mills | 5 | Son | — | Massachusetts |
| 68 | Annie Lane | 70 | Head-H | — | Northern Ireland |
| 69 | George H. Stephens | 50 | Son-in-law | Painter | Canada-English |
| 70 | Mary L. Stephens | 47 | Daughter | Stitcher | Massachusetts |
| 71 | John T. Dobbins | 26 | Head | Chauffeur | Massachusetts |
| 72 | Mary Dobbins | 21 | Wife-H | — | Massachusetts |
| 73 | Marie Dobbins | 0 | Daughter | — | Massachusetts |
| 74 | Francis Rooney | 51 | Head | Fireman | Canada-English |
| 75 | Sarah Rooney | 47 | Wife-H | — | Irish Free State |
| 76 | Sarah W. Rooney | 24 | Daughter | Clerk | Massachusetts |
| 77 | Helen C. Rooney | 22 | Daughter | Operator | Massachusetts |
| 78 | Francis W. Rooney | 19 | Son | Operator | Massachusetts |
| 79 | Dorothy G. Rooney | 18 | Daughter | Clerk | Massachusetts |
| 80 | Frederick J. Rooney | 15 | Son | — | Massachusetts |
| 81 | Albert B. Rooney | 13 | Son | — | Massachusetts |
| 82 | James M. Rooney | 10 | Son | — | Massachusetts |
| 83 | James W. Fitzgerald | 63 | Head | Laborer | Massachusetts |
| 84 | Catherine Fitzgerald | 66 | Wife-H | — | Irish Free State |
| 85 | Michael Fitzgerald | 27 | Son | Painter | Massachusetts |
| 86 | James Fitzgerald | 26 | Son | Laborer | Massachusetts |
| 87 | Helen C. Powicki | 42 | Head-H | Stitcher | Poland |
| 88 | Josephine Powicki | 16 | Daughter | — | Massachusetts |
| 89 | Michael Bousoulas | 50 | Head | — | Greece |
| 90 | Angeline Bousoulas | 50 | Wife-H | — | Greece |
| 91 | George Bousoulas | 12 | Son | — | Massachusetts |
| 92 | Nicholas Bousoulas | 8 | Son | — | Massachusetts |
| 93 | Melbourn Babcock | 42 | Head | Steamfitter | Canada-English |
| 94 | Margaret Babcock | 52 | Wife-H | — | Irish Free State |
| 95 | Earl Babcock | 19 | Son | — | Massachusetts |
| 96 | Edith Babcock | 18 | Daughter | — | Massachusetts |
| 97 | Melbourn Babcock | 16 | Son | Time Keeper | Massachusetts |
| 98 | Lloyd Babcock | 11 | Son | — | Massachusetts |
| 99 | John W. Day | 48 | Head | Shoemaker | England |
| 100 | Grace Day | 40 | Wife-H | — | Massachusetts |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)