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Mary Mclaughlin — 1920 US Census Record
Model Tree available1920 United States Federal Census · Kane, Illinois
Our Model Tree links this Mary Mclaughlin across the 1920, 1930 and 1940 US Censuses in Kane, Illinois (XGBoost, ~Confirmed), with identified parents Robt & James — first a daughter (b.~1918), then head of a 6-person household.
Age 2
b. ~1918
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Kane, Illinois |
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Aurora City |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mclaughlin | Daughter | — | 2 | ~1918 |
| Robert Mclaughlin | Head | — | 46 | ~1874 |
| Margaret Moore | Other | — | 14 | ~1906 |
| Raymond Mclaughlin | Son | — | 8 | ~1912 |
| Gerald Mclaughlin | Son | — | 15 | ~1905 |
| Theresa Mclaughlin | Spouse | — | 40 | ~1880 |
Census Appearances
1920
Kane, Illinois
Daughter, age 2
Kane, Illinois · implied b. ~1918 — 6 household members
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Kane, Illinois
Daughter, age 12
Kane, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlan |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Age at First Marriage | No |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Kane-County, Illinois
Daughter, age 22
Kane-County, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacLaughlin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Aurora City |
| 1935 Residence (County) | Kane |
| Occupation | Stenographer |
| Industry | Municipal |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 236 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Mary Mclaughlin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robt Maclaughlin (~0.92 confidence) and father James Mclaughlan (~0.92 confidence) and father Robert Mclaughlin (~0.92 confidence) and mother Florence Maclaughlin (~0.92 confidence) and mother Teresa Mclaughlan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robt Maclaughlin
b. ~1868
Source father
● Household
· direct · ~0.92
Father
James Mclaughlan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Robert Mclaughlin
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Florence Maclaughlin
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Teresa Mclaughlan
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mclaughlin
Daughter · 1920 · age 2 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Gerald Mclaughlin
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Mclaughlin
Sibling · 1920 · 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
1920 US Federal Census — Kane, Illinois
Open full size
1920 US Federal Census — Kane, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu373unit:0763)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rachel Courtney | 50 | Wife | — | Canada |
| 52 | Daniel Courtney | 21 | Son | Salesman | Illinois |
| 53 | Thomas Courtney | 24 | Head | Fireman | Illinois |
| 54 | Helen Courtney | 25 | Wife | — | Iowa |
| 55 | John L. Anderson | 65 | Head | Machinist | Sweden |
| 56 | Louise Anderson | 61 | Wife | — | Illinois |
| 57 | Charles Otte | 44 | Head | Asst Cashier | Illinois |
| 58 | Magdelina Otte | 40 | Wife | — | Indiana |
| 59 | Mary Jane Otte | 9 | Daughter | — | Illinois |
| 60 | James C. Otte | 3 | Son | — | Illinois |
| 61 | Edwina Wing | 63 | Head | Teacher | New York |
| 62 | Hilda Wing | 22 | Boarder | — | N. D. |
| 63 | Charles Van Sickle | 52 | Head | Proprietor | Illinois |
| 64 | Anna Van Sickle | 50 | Wife | — | Germany |
| 65 | Albert G. Lord | 25 | Son-in-law | Civil Engineer | Illinois |
| 66 | Ruth Lord | 22 | Daughter | Teacher | Illinois |
| 67 | Barbara J. Lord | 1 | Granddaughter | — | Colorado |
| 68 | John C. Ruth | 56 | Head | Manufacturer | Pennsylvania |
| 69 | Lilly Ruth | 53 | Wife | — | Pennsylvania |
| 70 | Rowland W. Ruth | 28 | Son | Sales Engineer | Illinois |
| 71 | Julia Johnson | 22 | Maid | Maid | Sweden |
| 72 | Albert C. Diernaley | 59 | Head | Manufacturer | Iowa |
| 73 | Emma Diernaley | 58 | Wife | — | Wisconsin |
| 74 | Charles S. Diernaley | 30 | Son | Salesman | South Dakota |
| 75 | Margaret Diernaley | 28 | Daughter | Priv. Secretary | South Dakota |
| 76 | Reuben Seigfred | 50 | Head | Teamster | Pennsylvania |
| 77 | Anna Seigfred | 42 | Wife | — | Illinois |
| 78 | Anna Seigfred | 21 | Daughter | Clerk & Office | Pennsylvania |
| 79 | Millicent Seigfred | 19 | Daughter | Typist Etc. | Pennsylvania |
| 80 | Selena Seigfred | 18 | Daughter | Gen. Office | Pennsylvania |
| 81 | Robert Wolf | 46 | Brother-in-law | Foreman | Pennsylvania |
| 82 | Clarence Bishop | 40 | Head | Signal Supervisor | Illinois |
| 83 | Frances Bishop | 35 | Wife | — | Illinois |
| 84 | Clarence Bishop | 7 | Son | — | Illinois |
| 85 | Robert Bishop | 5 | Son | — | Illinois |
| 86 | William Mahoney | 38 | Brother-in-law | Blacksmith | Illinois |
| 87 | Robert Mclaughlin | 46 | Head | Engineer | Ireland |
| 88 | Theresa Mclaughlin | 40 | Wife | — | Illinois |
| 89 | Gerald Mclaughlin | 15 | Son | — | Illinois |
| 90 | Raymond Mclaughlin | 8 | Son | — | Illinois |
| 91 | Mary Mclaughlin THIS PERSON | 2 | Daughter | — | Illinois |
| 92 | Margaret Moore | 14 | Step-daughter | — | Illinois |
| 93 | Abram L. Smith | 56 | Head | Watchman | Illinois |
| 94 | Phebe Smith | 49 | Wife | — | Illinois |
| 95 | Mercina Smith | 20 | Daughter | Bookkeeper | Illinois |
| 96 | Patrick Tangney | 65 | Head | Foreman | Ireland |
| 97 | Nora Tangney | 55 | Wife | — | Ireland |
| 98 | Agnes Tangney | 19 | Daughter | Stenographer | Illinois |
| 99 | Margaret Tangney | 17 | Daughter | — | Illinois |
| 100 | Michael Melgue | 29 | Head | Laborer | Illinois |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 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)