Mary Mclaughlin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Philadelphia-County, Pennsylvania

Our Model Tree links this Mary Mclaughlin across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 5-person household.

Age 53 b. ~1887 Female Head Born: Ireland Widowed

1940 Census Record Details

Census Year	1940
Location	Philadelphia-County, Pennsylvania
Surname	McLaughlin
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	53
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	Philadelphia
1935 Residence (County)	Philadelphia
Naturalization Status	Naturalized
Additional Details
Highest Grade	6
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	Philadelphia
Est. Birth Year	~1887

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.

5 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Mclaughlin	Head	—	53	~1887
Timothy Cavanaugh	Other	—	27	~1913
Paul Mclaughlin	Son	—	29	~1911
Thomas Mclaughlin	Son	—	15	~1925
John Mclaughlin	Son	—	35	~1905

Census Appearances

1920

Delaware, Pennsylvania

Head, age 33

Delaware, Pennsylvania · implied b. ~1887 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McLaughlin
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1911
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	R
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

Montgomery, Pennsylvania

Spouse, age 44

Montgomery, Pennsylvania · implied b. ~1886 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mc Laughlin
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1910
Age at First Marriage	23
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	Irish
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Philadelphia-County, Pennsylvania

Head, age 53

Philadelphia-County, Pennsylvania · implied b. ~1887 — 5 household members

Surname	McLaughlin
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	53
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	Philadelphia
1935 Residence (County)	Philadelphia
Naturalization Status	Naturalized
Highest Grade	6
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links Mary Mclaughlin across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Mclaughlin

Head · 1940 · age 53 · b. ~1887 · Pennsylvania

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Philadelphia-County, Pennsylvania Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-03714-00611)

Line	Name	Age	Relation	Occupation	Birthplace
1	Marty Fox	35	Head	Dyehouse Helper	Penna.
2	Mary Fox	27	Wife	—	Penna.
3	Susan Fox	2	Daughter	—	Penna.
4	Joseph Klingeman	28	Head	Truck Driver	Penna.
5	Edith Klingeman	33	Wife	Caretaker	Penna.
6	William Mcfadden	70	Head	Handyman	Penna.
7	Eleanor Mcfadden	60	Wife	—	Scotland
8	Dorothy Thyne	40	Head	Waitress	Scotland
9	Dorothy Thyne	13	daughter	—	Penna.
10	Dan Smith	36	Head	Checker	North Ireland
11	Mary Smith	31	Wife	—	North Ireland
12	Catherine Smith	5	daughter	—	Penna.
13	Carl Peterson	42	Head	Manager	Denmark
14	Helen Peterson	38	Wife	—	Penna.
15	Thomas Peterson	13	Son	—	Penna.
16	Marie Peterson	10	Daughter	—	Penna.
17	John Fried	21	Head	Warehouseman	Penna.
18	Catherine Fried	21	wife	Laundress	Penna.
19	Robert A. Modell	47	Head	Salesman	Penna.
20	Catherine Dougherty	46	Housekeeper	Hosiery Worker	Penna.
21	Joseph Schlot	31	Head	Attendant	Penna.
22	Elizabeth Schlot	27	Wife	Inspector	Penna.
23	Mary Mclaughlin THIS PERSON	53	Head	—	Ireland
24	John Mclaughlin	35	Son	Seaman	Penna.
25	Paul Mclaughlin	29	Son	Mechanic	Penna.
26	Thomas Mclaughlin	15	Son	—	Penna.
27	Timothy Cavanaugh	27	Brother in law	—	North Ireland
28	Benjamin Bitterman	54	Head	—	Russia
29	Sarah Bitterman	50	Wife	—	Russia
30	Vincent Tomczyk	46	Head	Ruffer	Russia
31	Hattie Tomczyk	46	Wife	—	Germany
32	Bruno Tomczyk	24	Son	Porter	Penna.
33	Frances Tomczyk	15	Daughter	—	Penna.
34	William Sooy	61	Head	—	New Jersey
35	Lillian Sooy	51	Wife	—	New Jersey
36	Robert F. Herr	67	Head	Boilermaker	Penna.
37	Barnett Goldberg	28	Head	Dentist	Russia
38	Sarah Goldberg	27	Wife	—	Penna.

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 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)

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