Mary Johns — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Crawford-County, Pennsylvania

Our Model Tree links this Mary Johns across the 1920, 1930 and 1940 US Censuses in Crawford-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 8-person household.

Age 43 b. ~1897 Female Spouse Born: Pennsylvania Married

1940 Census Record Details

Census Year	1940
Location	Crawford-County, Pennsylvania
Surname	Johns
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	Meadville City
1935 Residence (County)	Crawford
Additional Details
Industry	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania
Township / Ward	Meadville City
Est. Birth Year	~1897

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 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Stephen Trisby	Other	—	74	~1866
Margaret Johns	Daughter	—	16	~1924
Josephine Johns	Daughter	—	21	~1919
Charles Johns	Son	—	18	~1922
Mary Johns	Spouse	—	43	~1897
Rosann Johns	Daughter	—	23	~1917
Arthur Johns	Son	—	10	~1930
Samuel Johns	Head	—	51	~1889

Census Appearances

1920

Crawford, Pennsylvania

Spouse, age 22

Crawford, Pennsylvania · implied b. ~1898 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johns
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Pennsylvania
Father's Birthplace	Italy
Mother's Birthplace	Italy
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1930

Crawford, Pennsylvania

Spouse, age 33

Crawford, Pennsylvania · implied b. ~1897 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johns
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Pennsylvania
Age at First Marriage	16
Father's Birthplace	Italy
Mother's Birthplace	Italy
Can Read/Write	Yes
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1940

Crawford-County, Pennsylvania

Spouse, age 43

Crawford-County, Pennsylvania · implied b. ~1897 — 8 household members

Surname	Johns
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	Meadville City
1935 Residence (County)	Crawford
Industry	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

Model Tree

Linked across censuses

Our Model Tree links Mary Johns across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Johns

Spouse · 1940 · age 43 · b. ~1897 · 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 — Crawford-County, Pennsylvania Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03476-00114)

Line	Name	Age	Relation	Occupation	Birthplace
1	Eva Palmer	43	Wife	—	Ohio
2	Ethel Palmer	22	Daughter	—	Pennsylvania
3	Troye Campbell	19	Son-in-law	Tabulator	Pennsylvania
4	Elaine Campbell	19	Daughter	Private Secretary	Pennsylvania
5	John Palmer	44	Head	Foreman & Mfg	England
6	Margaret Palmer	50	Wife	—	Scotland
7	Richard Palmer	24	Son	Plating	Pennsylvania
8	John Jr Palmer	21	Son	Polisher	Pennsylvania
9	Charles Palmer	19	Son	—	Pennsylvania
10	Charles Bierschmidt	54	Head	—	Pennsylvania
11	Grace M Bierschmidt	57	Wife	—	Pennsylvania
12	Frank F Pettingell	64	Lodger	—	Pennsylvania
14	Harry Griffith	46	Head	Yard Clerk	Pennsylvania
15	Fern Griffith	47	Wife	—	Pennsylvania
16	Vincent Althof	56	Head	Leather Maker	Pennsylvania
17	Anita Althof	56	Wife	—	Pennsylvania
18	Samuel C Johns	51	Head	Utility Worker	Italy
19	Mary Johns THIS PERSON	43	Wife	—	Pennsylvania
20	Rosann Johns	23	Daughter	Rayon Plant	Florida
21	Josephine Johns	21	Daughter	Stenographer	Pennsylvania
22	Charles A Johns	18	Son	—	Pennsylvania
23	Margaret Johns	16	Daughter	—	Pennsylvania
24	Arthur S Johns	10	Son	—	Pennsylvania
25	Stephen Trisby	74	Lodger	—	Italy
26	Orville Butcher	43	Head	Car Inspector	Illinois
27	Sylvia Butcher	48	Wife	—	Pennsylvania
28	Ralph Butcher	18	Son	New Worker	Pennsylvania
29	Joyce Butcher	13	Daughter	—	Pennsylvania
30	Rothingsmith	34	Head	Caretaker	Poland
31	Mae Rothingsmith	33	Wife	Maid	New York
32	Charles George	45	Head	Attendant	Pennsylvania
33	Freda George	38	Wife	—	Pennsylvania
34	Paul Miller	23	Head	Foreman	Pennsylvania
35	Ellen Miller	22	Wife	—	Pennsylvania
36	Paul Thomas Miller	2	Son	—	Pennsylvania
37	Andrew Schlipf	79	Head	—	Pennsylvania
38	John Schlipf	74	Brother	Tip Shave	Pennsylvania
39	Rose Lourick	65	Lodger	Maid	Ohio
40	Harold Miller	42	Head	Stock Room Clerk	Pennsylvania

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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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