JL
James Laughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this James Laughlin across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 6
b. ~1924
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Laughlin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| John Laughlin | Head | — | 42 | ~1888 |
| Alice Laughlin | Daughter | — | 16 | ~1914 |
| Alice Laughlin | Spouse | — | 40 | ~1890 |
| Dorothy Laughlin | Daughter | — | 4 | ~1926 |
| James Laughlin | Son | — | 6 | ~1924 |
| William Laughlin | Son | — | 8 | ~1922 |
| John Laughlin | Son | — | 14 | ~1916 |
| Robert Laughlin | Son | — | 12 | ~1918 |
| Helen Laughlin | Daughter | — | 10 | ~1920 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 6
Middlesex, Massachusetts · implied b. ~1924 — 9 household members
| Surname | Laughlin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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
Son, age 15
Middlesex-County, Massachusetts · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Loughlin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Hours Worked | 6 |
| Highest Grade | No 7 |
| 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 James Laughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Laughlin
Son · 1930 · age 6 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Alice Laughlin
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Laughlin
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Laughlin
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Laughlin
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Laughlin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Laughlin
Sibling · 1930 · age 4
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:1930:15thcensuspopula917unit:0522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James F Condon | 41 | Head | Laborer | Massachusetts |
| 2 | Bridget G Condon | 41 | Wife | — | Massachusetts |
| 3 | Joseph F Condon | 14 | Son | — | Massachusetts |
| 4 | James J Condon | 12 | Son | — | Massachusetts |
| 5 | Mary E Condon | 10 | Daughter | — | Massachusetts |
| 6 | Robert L Condon | 8 | Son | — | Massachusetts |
| 7 | Edward P Condon | 6 | Son | — | Massachusetts |
| 8 | Charles Condon | 4 | Son | — | Massachusetts |
| 9 | Ruth Condon | 1 | Daughter | — | Massachusetts |
| 10 | Nils M Lundquist | 45 | Head | Agent | Massachusetts |
| 11 | Annie C Lundquist | 45 | Wife | — | Massachusetts |
| 12 | Nils A Lundquist | 20 | Son | Agent | Massachusetts |
| 13 | Mildred E Lundquist | 18 | Daughter | — | Massachusetts |
| 14 | Ruth E Lundquist | 9 | Daughter | — | Massachusetts |
| 15 | Nils A Lundquist | 7 | Son | — | Massachusetts |
| 16 | Sarah Lundquist | 75 | Mother | — | Sweden |
| 17 | Eugene Sullivan | 42 | Head | Upholsterer | Massachusetts |
| 18 | Julia Sullivan | 40 | Wife | — | Massachusetts |
| 19 | Louise Sullivan | 15 | Daughter | — | Massachusetts |
| 20 | Charles Dionne | 35 | Head | Clerk | Canada French |
| 21 | Yvonne Dionne | 35 | Wife | — | Canada French |
| 22 | Cecelia Dionne | 5 | Daughter | — | Massachusetts |
| 23 | August Bachman | 30 | Head | Teamster | Irish Free State |
| 24 | Mary Bachman | 28 | Wife | — | Irish Free State |
| 25 | Mary Bachman | 5 | Daughter | — | Massachusetts |
| 26 | Theresa Bachman | 3 | Daughter | Clerk | Massachusetts |
| 27 | Mary J Long | 60 | Head | — | Massachusetts |
| 28 | Timothy Long | 43 | Son | Loader | Massachusetts |
| 29 | John Long | 38 | Son | Counter | Massachusetts |
| 30 | Patrick Long | 35 | Son | Clerk | Massachusetts |
| 31 | Annie Long | 32 | Daughter | — | Massachusetts |
| 32 | Elizabeth Long | 28 | Daughter | — | Massachusetts |
| 33 | Margaret Long | 24 | Daughter | — | Massachusetts |
| 34 | James J Hurley | 40 | Head | Laborer | Massachusetts |
| 35 | Mary E Hurley | 38 | Wife | — | Irish Free State |
| 36 | Samuel Tuttle | 35 | Head | Manager | Connecticut |
| 37 | Ethel Tuttle | 32 | Wife | — | Massachusetts |
| 38 | Edith Tuttle | 7 | Daughter | — | Massachusetts |
| 39 | John Laughlin | 42 | Head | — | Massachusetts |
| 40 | Alice Laughlin | 40 | Wife | — | Massachusetts |
| 41 | Alice Laughlin | 16 | Daughter | — | Massachusetts |
| 42 | John Laughlin | 14 | Son | — | Massachusetts |
| 43 | Robert Laughlin | 12 | Son | — | Massachusetts |
| 44 | Helen Laughlin | 10 | Daughter | — | Massachusetts |
| 45 | William Laughlin | 8 | Son | — | Massachusetts |
| 46 | James Laughlin THIS PERSON | 6 | Son | — | Massachusetts |
| 47 | Dorothy Laughlin | 4 | Daughter | — | Massachusetts |
| 48 | Cornelius Casey | 43 | Head | Laborer | Massachusetts |
| 49 | Mary Casey | 40 | Wife | — | Massachusetts |
| 50 | John Casey | 17 | Son | — | Massachusetts |
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)