Mary Mckenna — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Erie-County, New York

Our Model Tree links this Mary Mckenna across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 8-person household.

Age 42 b. ~1898 Female Spouse Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Erie-County, New York
Surname	McKenna
Given Name	Mary C.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Buffalo city
1935 Residence (County)	Erie
Additional Details
Class of Worker	0
Highest Grade	H 3
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Buffalo City
Est. Birth Year	~1898

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
Delia Mckenna	Daughter	—	3	~1937
Joan Mckenna	Daughter	—	7	~1933
Mary Mckenna	Daughter	—	11	~1929
Frank Mckenna	Daughter	—	5	~1935
Ellen Mckenna	Daughter	—	12	~1928
James Mckenna	Head	—	43	~1897
James Mckenna	Son	—	9	~1931
Mary Mckenna	Spouse	—	42	~1898

Census Appearances

1930

Erie, New …

Other, age 31

Erie, New York · implied b. ~1899 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McKenna
Given Name	Mary C.
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	31
Marital Status	Married
Birthplace	New York
Age at First Marriage	29
Father's Birthplace	New York
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Erie-County, New …

Spouse, age 42

Erie-County, New York · implied b. ~1898 — 8 household members

Surname	McKenna
Given Name	Mary C.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Buffalo city
1935 Residence (County)	Erie
Class of Worker	0
Highest Grade	H 3
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Mckenna

Spouse · 1940 · age 42 · b. ~1898 · New York

★ You are viewing this record

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

Original Census Page

1940 US Federal Census — Erie-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02834-00295)

Line	Name	Age	Relation	Occupation	Birthplace
1	Chester Callihan	46	Head	Stationary Engineer	New York
2	Mary Callihan	46	Wife	—	New York
3	John H. Kale	63	Head	Fireman	New York
4	Katherine C. Kale	47	Wife	—	New York
5	John Rogers	54	Head	Proprietor	Irish Free State
6	Madeline Rogers	53	Wife	Clerk	New York
7	Frances Rogers	17	Daughter	—	New York
8	Edward Roth	51	Head	Carpenter	New York
9	Ella Roth	46	Wife	—	New York
10	Edward Roth	24	Son	Saw Operator	New York
11	Ella Jane Roth	18	Daughter	New Worker	New York
12	Amelia D. Roth	12	Daughter	—	New York
13	Otto Wolf	44	Head	Bench Mechanic	Germany
14	Frieda Wolf	42	Wife	—	Germany
15	Lore Wolf	19	Daughter	Inspector	Germany
16	Heinz Wolf	16	Son	—	Germany
17	Rudy Christen	41	Head	Bench Assembler	New York
18	Florence M. Christen	39	Wife	—	New York
19	Walter G. Schofield	35	Head	Foreman	England
20	Audrey Schofield	32	Wife	—	Canada-English
21	Diane Schofield	10	Daughter	—	New York
22	David Schofield	8	Son	—	New York
23	Michael Schofield	4	Son	—	New York
24	Frank Hoefner	39	Head	Proprietor	New York
25	Catherine Hoefner	39	Wife	—	Austria
26	Frank Hoefner	20	Son	—	New York
27	Donald W. Hoefner	18	Son	—	New York
28	Nancy L. Hoefner	7	Daughter	—	Ohio
29	Harold H. Cline	47	Head	Locomotive Engineer	Pennsylvania
30	Grace C. Cline	46	Wife	—	New York
31	James B. Mckenna	43	Head	Lawyer	New York
32	Mary C. Mckenna THIS PERSON	42	Wife	—	New York
33	Ellen Mckenna	12	Daughter	—	New York
34	Mary Mckenna	11	Daughter	—	New York
35	James Mckenna	9	Son	—	New York
36	Joan Mckenna	7	Daughter	—	New York
37	Frank Mckenna	5	Daughter	—	New York
38	Delia Mckenna	3	Daughter	—	New York
39	Alfred Hoyt	28	Head	Core Maker	New York
40	Beatrice Hoyt	23	Wife	—	New York

Search for Mary Mckenna

All Mary Mckenna Census Records Discover Mckenna Family Tree

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)

Report inaccurate data