JL
John Laughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this John Laughlin across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 9
b. ~1921
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Emily Maguire | Daughter | — | 6 | ~1924 |
| John Laughlin | Son | — | 9 | ~1921 |
| Rita Laughlin | Daughter | — | 13 | ~1917 |
| Patrick Maguire | Head | — | 50 | ~1880 |
| Alexandria Barker | Other | — | 21 | ~1909 |
| James Laughlin | Son | — | 11 | ~1919 |
| Mary Maguire | Spouse | — | 38 | ~1892 |
| Margaret Maguire | Daughter | — | 5 | ~1925 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 9
Suffolk, Massachusetts · implied b. ~1921 — 8 household members
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 18
Suffolk-County, Massachusetts · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Loughlin |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | BOSTON |
| 1935 Residence (County) | SUFFOLK |
| Highest Grade | S H-4 |
| 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 John Laughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Laughlin
Son · 1930 · age 9 · b. ~1921 · Massachusetts
★ You are viewing this record
Sibling
Emily Maguire
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Laughlin
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Laughlin
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Maguire
Sibling · 1930 · age 5
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel950:0217)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Rice | 2 | Daughter | — | Massachusetts |
| 2 | Patrick Maguire | 50 | Head | Carpenter | Irish Free State |
| 3 | Mary Maguire | 38 | Wife | — | Irish Free State |
| 4 | Emily G. Maguire | 6 | Daughter | — | Massachusetts |
| 5 | Margaret Maguire | 5 | Daughter | — | Massachusetts |
| 6 | Rita Laughlin | 13 | Daughter | — | Massachusetts |
| 7 | James Laughlin | 11 | Son | — | Massachusetts |
| 8 | John Laughlin THIS PERSON | 9 | Son | — | Massachusetts |
| 9 | Alexandria Barker | 21 | Lodger | Sheet Worker | Irish Free State |
| 10 | Patrick O'Connell | 41 | Head | — | Massachusetts |
| 11 | Margaret O'Connell | 37 | Wife | — | Massachusetts |
| 12 | Robert O'Connell | 10 | Son | — | Massachusetts |
| 13 | Lawrence O'Connell | 9 | Son | — | Massachusetts |
| 14 | Leonard O'Connell | 9 | Son | — | Massachusetts |
| 15 | Leon Jackson | 45 | Head | Instructor | Vermont |
| 16 | Mary Jackson | 70 | Mother | — | Canada English |
| 17 | Ward Jackson | 19 | Son | Shipper | Vermont |
| 18 | Anita Jackson | 14 | Daughter | — | Massachusetts |
| 19 | Hugh Howard | 27 | Head | Coat Maker | Maine |
| 20 | Hazel Howard | 24 | Wife | — | Maine |
| 21 | Josephine Howard | 3 | Son | — | Massachusetts |
| 22 | William R. Howard | 2 | Son | — | Massachusetts |
| 23 | Dorothea Howard | 0 | Daughter | — | Massachusetts |
| 24 | Alex Liddell | 44 | Head | Machinist | Scotland |
| 25 | Elizabeth Liddell | 46 | Wife | — | Scotland |
| 26 | Alex E. Liddell | 18 | Son | — | Massachusetts |
| 27 | Robert E. Liddell | 14 | Son | — | Massachusetts |
| 28 | Katherine Liddell | 8 | Daughter | — | Massachusetts |
| 29 | Eleanor Liddell | 7 | Daughter | — | Massachusetts |
| 30 | John Hoyle | 41 | Lodger | Salesman | Scotland |
| 31 | Matilda Hoyle | 29 | Lodger | Waitress | Scotland |
| 32 | Thomas J. Kelley | 32 | Head | Police Officer | Massachusetts |
| 33 | Winifred Kelley | 32 | Wife | — | Massachusetts |
| 34 | Thomas Kelley | 5 | Son | — | Massachusetts |
| 35 | Robert Kelley | 4 | Son | — | Massachusetts |
| 36 | Arthur Kelley | 3 | Son | — | Massachusetts |
| 37 | Francis Kelley | 1 | Son | — | Massachusetts |
| 38 | Mary Glancy | 75 | Head | — | Irish Free State |
| 39 | Elizabeth Glancy | 39 | Daughter | — | Massachusetts |
| 40 | Margaret Glancy | 47 | Daughter | Saleslady | Massachusetts |
| 41 | Catherine Glancy | 45 | Daughter | Saleslady | Massachusetts |
| 42 | Thomas J. Glancy | 47 | Lodger | Shipper | Irish Free State |
| 43 | Peter J. Lee | 42 | Head | Chain Builder | England |
| 44 | Margaret Lee | 46 | Wife | — | Massachusetts |
| 45 | Mary Lee | 22 | Daughter | Typist | Massachusetts |
| 46 | Richard Lee | 21 | Son | Deliveryman | Massachusetts |
| 47 | Peter J. Lee | 19 | Son | Salesman | Massachusetts |
| 48 | Margaret K. Lee | 18 | Daughter | Cashier | Massachusetts |
| 49 | Arthur S. Lee | 16 | Son | Stock Room | Massachusetts |
| 50 | Helen Lee | 13 | Daughter | — | 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)