JC
John Coughlin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Coughlin across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1889), then head of a 10-person household.
Age 31
b. ~1889
Male
Son
Born: Massachusetts
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Coughlin |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1889 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| David Coughlin | Son | — | 28 | ~1892 |
| Gertrude Coughlin | Daughter | — | 14 | ~1906 |
| Jessie Coughlin | Other | — | 22 | ~1898 |
| Virginia Coughlin | Other | — | 1 | ~1919 |
| David Coughlin | Head | — | 59 | ~1861 |
| Joseph Coughlin | Son | — | 25 | ~1895 |
| Harold Coughlin | Son | — | 19 | ~1901 |
| Margaret Coughlin | Spouse | — | 58 | ~1862 |
| Rose Coughlin | Daughter | — | 16 | ~1904 |
| John Coughlin | Son | — | 31 | ~1889 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 22
Middlesex, Massachusetts · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Railroad Station |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 31
Middlesex, Massachusetts · implied b. ~1889 — 10 household members
| Surname | Coughlin |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Coughlin across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Coughlin
Son · 1920 · age 31 · b. ~1889 · Massachusetts
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Sibling
Harold Coughlin
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Coughlin
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Coughlin
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Coughlin
Sibling · 1920 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Coughlin
Sibling · 1920 · age 14
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
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu707unit:0142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret M Sheridan | 7 | Daughter | — | Massachusetts |
| 2 | Joseph E Sheridan | 5 | Son | — | Massachusetts |
| 3 | Catherine L Sheridan | 3 | Daughter | — | Massachusetts |
| 4 | Francis Sheridan | 1 | Son | — | Massachusetts |
| 5 | John Sheridan | 0 | Son | — | Massachusetts |
| 6 | Timothy J Foley | 32 | Head | Clerk | Massachusetts |
| 7 | Mary E Foley | 24 | Wife | — | Ireland |
| 8 | Charles P Pitt | 66 | Head | Painter | Canada |
| 9 | James J Pitt | 66 | Brother | Painter | Canada |
| 10 | Annie Pitt | 62 | Sister | — | Canada |
| 11 | Nora A Halligan | 48 | Head | — | Massachusetts |
| 12 | Margaret M Halligan | 26 | Daughter | Operator | Massachusetts |
| 13 | Louise A Halligan | 20 | Daughter | Clerk | Massachusetts |
| 14 | Margaret Conberry | 51 | Sister | Bookbinder | Massachusetts |
| 15 | Nellie M Conberry | 49 | Sister | Bookbinder | Massachusetts |
| 16 | Joseph Sullivan | 57 | Lodger | Laborer | Massachusetts |
| 17 | John E Shea | 60 | Head | Janitor | Canada |
| 18 | Margaret Shea | 60 | Wife | — | Canada |
| 19 | Evelyn M Flood | 30 | Niece | Stitcher | Canada |
| 20 | Mary T Flood | 25 | Niece | Stitcher | Canada |
| 21 | Patrick J Callahan | 45 | Lodger | Laborer | Massachusetts |
| 22 | Lester Sweeney | 27 | Lodger | Laborer | Maine |
| 23 | Robert T Munick | 48 | Head | Painter | Canada |
| 24 | Lillian E Munick | 45 | Wife | — | Massachusetts |
| 25 | Dorothy Munick | 18 | Daughter | — | Massachusetts |
| 26 | Gertrude Munick | 15 | Daughter | — | Massachusetts |
| 27 | Evelyn Munick | 12 | Daughter | — | Massachusetts |
| 28 | Ethel Maher | 23 | Daughter | — | Massachusetts |
| 29 | James T Maher | 24 | Son-in-law | Clerk | New York |
| 30 | James Maher | 4 | Grandson | — | Massachusetts |
| 31 | Harold Maher | 2 | Grandson | — | Massachusetts |
| 32 | David F Coughlin | 59 | Head | — | Massachusetts |
| 33 | Margaret E Coughlin | 58 | Wife | — | Massachusetts |
| 34 | John A Coughlin THIS PERSON | 31 | Son | Clerk | Massachusetts |
| 35 | David A Coughlin | 28 | Son | Clerk | Massachusetts |
| 36 | Joseph A Coughlin | 25 | Son | Clerk | Massachusetts |
| 37 | Harold W Coughlin | 19 | Son | Chauffeur | Massachusetts |
| 38 | Rose G Coughlin | 16 | Daughter | — | Massachusetts |
| 39 | Gertrude Coughlin | 14 | Daughter | — | Massachusetts |
| 40 | Jessie Coughlin | 22 | Daughter-in-law | — | Canada |
| 41 | Virginia Coughlin | 1 | Granddaughter | — | Massachusetts |
| 42 | William J Myler | 55 | Head | Painter | Canada |
| 43 | Jessie M Myler | 52 | Wife | — | Canada |
| 44 | Helen M Myler | 24 | Daughter | Stitcher | Massachusetts |
| 45 | Anna E Myler | 22 | Daughter | Stitcher | Massachusetts |
| 46 | Catherine E Myler | 20 | Daughter | Stitcher | Massachusetts |
| 47 | William H Myler | 16 | Son | — | Massachusetts |
| 48 | Mary J Myler | 13 | Daughter | — | Massachusetts |
| 49 | Joseph J Cronin | 70 | Lodger | — | Ireland |
| 50 | Bridget Burke | 61 | Head | — | Ireland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)