JC
John Connor — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Connor across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 8-person household.
Age 14
b. ~1916
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Connor |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge |
| Est. Birth Year | ~1916 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Virginia Connor | Daughter | — | 8 | ~1922 |
| Josephine Connor | Daughter | — | 16 | ~1914 |
| Eleanor Connor | Daughter | — | 11 | ~1919 |
| John Connor | Head | — | 47 | ~1883 |
| Augustine Connor | Son | — | 6 | ~1924 |
| John Connor | Son | — | 14 | ~1916 |
| Joseph Connor | Son | — | 12 | ~1918 |
| Mary Connor | Spouse | — | 44 | ~1886 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1916 — 8 household members
| Surname | Connor |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 25
Middlesex-County, Massachusetts · implied b. ~1915
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Connors |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 675 |
| Highest Grade | Hs 3 |
| 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 Connor across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Connor
Son · 1930 · age 14 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
Joseph Connor
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Connor
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Connor
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Augustine Connor
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Connor
Sibling · 1930 · age 8
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel915:0929)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Artemis Mcguinness | 23 | Wife-H | None | Maine |
| 52 | Phyllis Mcguinness | 2 | Daughter | None | Massachusetts |
| 53 | Joan Mcguinness | 0 | Daughter | None | Massachusetts |
| 54 | Henry Denton | 43 | Head | Laborer | Massachusetts |
| 55 | Mabel Denton | 30 | Wife | None | Newfoundland |
| 56 | Elisabeth Denton | 3 | Daughter | None | Massachusetts |
| 57 | Mary Denton | 2 | Daughter | None | Massachusetts |
| 58 | Mabel Denton | 1 | Daughter | None | Massachusetts |
| 59 | John Denton | 0 | Son | None | Massachusetts |
| 60 | George Denton | 52 | Brother | Porter | Massachusetts |
| 61 | John Connor | 47 | Head | Cook | Irish Free State |
| 62 | Mary Connor | 44 | Wife | None | Irish Free State |
| 63 | Josephine Connor | 16 | Daughter | None | Massachusetts |
| 64 | John Connor THIS PERSON | 14 | Son | None | Massachusetts |
| 65 | Joseph Connor | 12 | Son | None | Massachusetts |
| 66 | Eleanor Connor | 11 | Daughter | None | Massachusetts |
| 67 | Virginia Connor | 8 | Daughter | None | Massachusetts |
| 68 | Augustine Connor | 6 | Son | None | Massachusetts |
| 69 | Elizabeth Lavoie | 52 | Head-H | Vegetable Cook | Irish Free State |
| 70 | Anthony Coyne | 45 | Head | Laborer | Irish Free State |
| 71 | Bridget Coyne | 41 | Wife | None | Irish Free State |
| 72 | George C. Schneider | 37 | Head | Traveling Salesman | Germany |
| 73 | Alice Schneider | 33 | Wife | None | Massachusetts |
| 74 | George Schneider | 7 | Son | None | Massachusetts |
| 75 | Irene Cournoyer | 28 | Head-H | Attendant | Rhode Island |
| 76 | Mary Cournoyer | 9 | Daughter | None | Rhode Island |
| 77 | Beatrice Boutanier | 20 | Sister | Assembler | Massachusetts |
| 78 | Henry Thibeault | 27 | Cousin | Truck Driver | Maine |
| 79 | Joseph Conway | 27 | Head | Mechanic | Canada-French |
| 80 | Mabel Conway | 21 | Wife | None | Canada-French |
| 81 | Arthur Conway | 2 | Son | None | Maine |
| 82 | Arthur F. Hall | 30 | Head-H | Merchant | Maine |
| 83 | Mary Linder | 72 | Head-H | None | Russia |
| 84 | John Linder | 21 | Son | Decorator | Massachusetts |
| 85 | Helen Linder | 23 | Daughter | Box Maker | Russia |
| 86 | Theodore Linder | 16 | Son | None | Massachusetts |
| 87 | Elsie Gleason | 23 | Daughter | None | Russia |
| 88 | William Anthony | 42 | Roomer | Machinist | Germany |
| 89 | Vincent Lightfoot | 40 | Head | Truck Driver | Canada-English |
| 90 | Mary Lightfoot | 37 | Wife | None | Massachusetts |
| 91 | Raymond Lightfoot | 15 | Son | Office Boy | Massachusetts |
| 92 | Sandra F. Lightfoot | 7 | Daughter | None | Massachusetts |
| 93 | Earnest J. Lightfoot | 2 | Son | None | Massachusetts |
| 94 | John Gaudet | 27 | Head | Meat Cutter | Canada-French |
| 95 | Marjorie Gaudet | 23 | Wife | None | Canada-English |
| 96 | John Gaudet | 3 | Son | None | Massachusetts |
| 97 | Winfield Walsh | 25 | Bro-in-law | Candy Maker | Canada-English |
| 98 | Mary Murphy | 20 | Roomer | Packer | Canada-English |
| 99 | Albert Poirier | 22 | Head | Carpenter | Newfoundland |
| 100 | Johanna Poirier | 30 | Wife | None | Newfoundland |
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)