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John Mclaughlin — 1920 US Census Record
Model Tree available1920 United States Federal Census · Multnomah, Oregon
Our Model Tree links this John Mclaughlin across the 1920, 1930 and 1940 US Censuses in Multnomah, Oregon (XGBoost, ~Confirmed), with identified parents Merrill & Agnes — first a son (b.~1899), then head of a 4-person household.
Age 21
b. ~1899
Male
Son
Born: Oregon
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Multnomah, Oregon |
| Surname | McLaughlin |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Idaho |
| Additional Details | |
| Occupation | Machinist |
| Industry | Shipyard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Machinist |
| Township / Ward | Portland City |
| Est. Birth Year | ~1899 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Merrill Mclaughlin | Head | — | 52 | ~1868 |
| Muriel Mclaughlin | Son | — | 18 | ~1902 |
| John Mclaughlin | Son | — | 21 | ~1899 |
| Agnes Mclaughlin | Spouse | — | 47 | ~1873 |
Census Appearances
1920
Multnomah, Oregon
Son, age 21
Multnomah, Oregon · implied b. ~1899 — 4 household members
| Surname | McLaughlin |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Idaho |
| Occupation | Machinist |
| Industry | Shipyard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 31
Multnomah, Oregon · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLoughlin |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | Idaho |
| Occupation | Machinist |
| Industry | Manufacturer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Solano-County, California
Head, age 41
Solano-County, California · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLoughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Multnomah |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 316 |
| Highest Grade | H 4 |
| 1935 Residence | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Mclaughlin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Merrill Mclaughlin (~0.92 confidence) and mother Agnes Mclaughlin (~0.92 confidence) and mother Ann Mcloughlin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Merrill Mclaughlin
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Agnes Mclaughlin
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Ann Mcloughlin
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mclaughlin
Son · 1920 · age 21 · b. ~1899 · Oregon
★ You are viewing this record
Sibling
Muriel Mclaughlin
Sibling · 1920 · age 18
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 — Multnomah, Oregon
Open full size
1920 US Federal Census — Multnomah, Oregon
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1502unit:0534)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Handlestead? L. Handlow | 6 | Daughter | None | California |
| 2 | - Bud E. Handlow | 2 | Son | None | Oregon |
| 3 | - Matthys E. Handlow | 0 | Daughter | None | Oregon |
| 4 | Frank Gager | 28 | Head | Chauffeur | Oregon |
| 5 | Hazel Gager | 25 | Wife | None | Minnesota |
| 6 | Marie Sarah E. Starkey | 48 | Head | Manager | Illinois |
| 7 | Jesse F. Starkey | 30 | Son | None | Illinois |
| 8 | Harrison O. Ives | 28 | Head | Cook | New York |
| 9 | Daisy Ives | 30 | Wife | Waitress | Nebraska |
| 10 | Lucius W. Leitch | 43 | Head | Shoe Maker | Iowa |
| 11 | Nellie B. Leitch | 37 | Wife | None | Missouri |
| 12 | Donald D. Eber | 15 | Step-son | Apprentice | Oregon |
| 13 | Helen M. Leitch | 0 | Daughter | None | Oregon |
| 14 | Marie L. Glosser | 44 | Sister-in-law | None | Missouri |
| 15 | Anna E. Scoggin | 50 | Head | None | Michigan |
| 16 | Jacob Carlin | 29 | Head | Machinist | Pennsylvania |
| 17 | Emelie Carlin | 26 | Wife | None | Wisconsin |
| 18 | Rynold Carlin | 5 | Son | None | Wisconsin |
| 19 | Luella Carlin | 3 | Daughter | None | Washington D.C. |
| 20 | Hattie Sanders | 33 | Head | None | Tennessee |
| 21 | Elsie May Sanders | 11 | Daughter | None | Oregon |
| 22 | Walter R. Sanders | 9 | Son | None | Oregon |
| 23 | Henry H. Bradshaw | 48 | Head | Switchman | Oklahoma |
| 24 | Grace Bradshaw | 51 | Wife | None | Iowa |
| 25 | Charles Mebus | 59 | Head | None | Germany |
| 26 | Emma Mebus | 30 | Daughter | None | Missouri |
| 27 | Frederick Nemeyer | 50 | Head | Jeweler | Oregon |
| 28 | Mary Nemeyer | 47 | Wife | None | Iowa |
| 29 | Ferdinand M. Nemeyer | 26 | Son | Photographer | Oregon |
| 30 | William Bense | 30 | Head | Truck Driver | Oregon |
| 31 | Jessie Bense | 26 | Wife | None | Oregon |
| 32 | Mildred Bense | 6 | Daughter | None | Oregon |
| 33 | Anna Anderson | 46 | Head | Saleslady | Minnesota |
| 34 | Richard Roberts | 62 | Head | Policeman | Nebraska |
| 35 | Martha Roberts | 59 | Wife | None | Germany |
| 36 | Alfred Roberts | 30 | Son | Plumber | Oregon |
| 37 | George Roberts | 21 | Son | Machinist | Oregon |
| 38 | Alfred Arnesson | 63 | Head | Shipping Clerk | Sweden |
| 39 | Annie Arnesson | 60 | Wife | None | Norway |
| 40 | Mabel Arnesson | 24 | Daughter | Clerk | Oregon |
| 41 | William Arnesson | 19 | Son | Apprentice | Oregon |
| 42 | William Mclaughlin | 54 | Head | Laborer | Ireland |
| 43 | Margaret Mclaughlin | 45 | Wife | None | California |
| 44 | Margaret Mclaughlin | 14 | Daughter | None | Oregon |
| 45 | Mary Anne Mclaughlin | 7 | Daughter | None | Oregon |
| 46 | Jude Mclaughlin | 5 | Son | None | Oregon |
| 47 | Merrill Mclaughlin | 52 | Head | Accountant | Ireland |
| 48 | Agnes M. Mclaughlin | 47 | Wife | None | Idaho |
| 49 | John D. Mclaughlin THIS PERSON | 21 | Son | Machinist | Oregon |
| 50 | Muriel P. Mclaughlin | 18 | Son | Stenographer | Oregon |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)