Mary Andrews — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Ottawa-County, Ohio

Our Model Tree links this Mary Andrews across the 1920, 1930 and 1940 US Censuses in Ottawa-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 4-person household.

Age 45 b. ~1895 Female Spouse Born: Poland Married

1940 Census Record Details

Census Year	1940
Location	Ottawa-County, Ohio
Surname	Andrews
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Poland
1935 Residence (City)	Port Clinton Village
Naturalization Status	Naturalized
Additional Details
Highest Grade	No 5
Birth Country	Poland
Birthplace (normalized)	poland
Township / Ward	Port Clinton Village
Est. Birth Year	~1895

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 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Joseph Andrews	Head	—	63	~1877
Wilfreda Koziat	Other	—	13	~1927
Henry Andrews	Son	—	21	~1919
Mary Andrews	Spouse	—	45	~1895

Census Appearances

1920

Ottawa, Ohio

Spouse, age 24

Ottawa, Ohio · implied b. ~1896 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Andrew
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	24
Marital Status	Married
Birthplace	Poland
Year of Immigration	1902
Naturalization Status	Alien
Father's Birthplace	Poland
Mother's Birthplace	Poland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Polish
Birth Country	Poland
Birthplace (normalized)	poland

1930

Ottawa, Ohio

Spouse, age 34

Ottawa, Ohio · implied b. ~1896 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Andrews
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Poland
Naturalization Status	Naturalized
Year of Immigration	1912
Age at First Marriage	23
Father's Birthplace	Poland
Mother's Birthplace	Poland
Can Read/Write	Yes
Mother Tongue	Polish
Birth Country	Poland
Birthplace (normalized)	poland

1940

Ottawa-County, Ohio

Spouse, age 45

Ottawa-County, Ohio · implied b. ~1895 — 4 household members

Surname	Andrews
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Poland
1935 Residence (City)	Port Clinton Village
Naturalization Status	Naturalized
Highest Grade	No 5
Birth Country	Poland
Birthplace (normalized)	poland

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Andrews

Spouse · 1940 · age 45 · b. ~1895 · Ohio

★ 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 — Ottawa-County, Ohio Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-03125-00527)

Line	Name	Age	Relation	Occupation	Birthplace
1	Florence Laffey	16	Step-daughter	—	Ohio
2	Edward Laffey	67	Father-in-law	—	Ohio
3	Raymond Mackey	34	Head	Bar Tender	Ohio
4	Idabelle Mackey	26	Wife	—	Ohio
5	Anna Mackey	1	Daughter	—	Ohio
6	William Babcock	63	Father-in-law	Painter	Ohio
7	Arthur Mefford	36	Head	Service Man	Ohio
8	Mary Mefford	32	Wife	—	Ohio
9	Betty Lou Mefford	10	Daughter	—	Ohio
10	Robert Mefford	4	Son	—	Ohio
11	Leah Short	54	Head	—	Ohio
12	John Jr. Short	23	Son	Laborer	Ohio
13	Viola Andrews	17	Grand-daughter	—	Ohio
14	Edd Short	42	Brother-in-law	Millwright	Ohio
15	Alexander Andrews	27	Head	Laborer	Ohio
16	Mary Andrews	23	Wife	—	Ohio
17	Joseph Andrews	63	Head	Miner	Poland
18	Mary Andrews THIS PERSON	45	Wife	—	Poland
19	Henry Andrews	21	Son	Machinist	Ohio
20	Wilfreda Koziat	13	Grand-daughter	—	Ohio
21	Fred Weichel	74	Head	—	Ohio
22	Rudolph Popson	36	Head	Miner	Ohio
23	John Popson	34	Brother	Miner	Ohio
24	Jennie Popson	74	Mother	—	Czechoslovakia
25	Irene Brokop	22	Neice	Operator	Ohio
26	Elinor Brokop	21	Neice	Waitress	Ohio
27	Jno Ludrowsky	42	Head	Janitor	Penns.
28	Mary Ludrowsky	38	Wife	—	Penns.
29	Mary Ludrowsky	18	Daughter	65	Penns.
30	Agnes Ludrowsky	16	Daughter	50	Penns.
31	Alma Ludrowsky	15	Daughter	—	Penns.
32	Elizabeth Ludrowsky	14	Daughter	—	Ohio
33	Richie Ludrowsky	12	Son	—	Ohio
34	Johnnie Ludrowsky	9	Son	—	Ohio
35	Edward Ludrowsky	8	Son	—	Ohio
36	Marjorie Ludrowsky	7	Daughter	—	Ohio
37	Luella Ludrowsky	5	Daughter	—	Ohio
38	Clifford Ludrowsky	3	Son	—	Ohio

Search for Mary Andrews

All Mary Andrews Census Records Discover Andrews 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