Mary Day — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lincoln-County, Oklahoma

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

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

1940 Census Record Details

Census Year	1940
Location	Lincoln-County, Oklahoma
Surname	Day
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	North Fox Township
1935 Residence (County)	Lincoln
Additional Details
Occupation	No No No No H
Highest Grade	No 6
1935 Residence	Same place
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri
Occupation	No No No No H
Township / Ward	North Fox Township
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
Nora Day	Daughter	—	16	~1924
Mary Day	Daughter	—	12	~1928
W Day	Head	—	50	~1890
Mary Day	Spouse	—	45	~1895

Census Appearances

1920

Lincoln, Oklahoma

Spouse, age 28

Lincoln, Oklahoma · implied b. ~1892 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Day
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Missouri
Father's Birthplace	Missouri
Mother's Birthplace	Missouri
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1930

Lincoln, Oklahoma

Spouse, age 35

Lincoln, Oklahoma · implied b. ~1895 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Day
Given Name	Mary E
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Missouri
Age at First Marriage	20
Father's Birthplace	Missouri
Mother's Birthplace	Missouri
Can Read/Write	Yes
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1940

Lincoln-County, Oklahoma

Spouse, age 45

Lincoln-County, Oklahoma · implied b. ~1895 — 4 household members

Surname	Day
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	North Fox Township
1935 Residence (County)	Lincoln
Occupation	No No No No H
Highest Grade	No 6
1935 Residence	Same place
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Day

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

★ 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 — Lincoln-County, Oklahoma Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03306-00365)

Line	Name	Age	Relation	Occupation	Birthplace
1	Naomi Melton	24	Wife	H	Oklahoma
2	Claude Wesley Melton	5	Son	—	Oklahoma
3	Fredrick Earl Melton	3	Son	—	Oklahoma
4	W. F. Day	50	Head	Foreman	Missouri
5	Mary E. Day THIS PERSON	45	Wife	No No No No H	Missouri
6	Nora Day	16	Daughter	No No No No S	Oklahoma
7	Mary Ellen Day	12	Daughter	—	Oklahoma
8	Lloyd Dulaney	39	Head	Janitor	Oklahoma
9	Virgie Dulaney	37	Wife	No No No No H	Arkansas
10	Ruth Dulaney	16	Daughter	No No No No S	Oklahoma
11	Ted Dulaney	13	Son	—	Oklahoma
12	E. H. Williams	69	Head	No No No No U	Georgia
13	Mattie Young	43	Lodger	No No No No Ot	Louisiana
14	Bill Jr. Platt	42	Head	Farmer	Oklahoma
15	Mattie Platt	37	Wife	No No No No H	Oklahoma
16	Lester Platt	17	Son	Farm Laborer	Oklahoma
17	Thelma Platt	16	Daughter	No No No No H	Oklahoma
18	Alma Platt	13	Daughter	—	Oklahoma
19	George Platt	9	Son	—	Oklahoma
20	Olye Platt	2	Son	—	Oklahoma
21	L. B. Glover	50	Head	Farmer	Nebraska
22	Johnny Glover	4	Son	—	Oklahoma
23	Gene Malone	19	Head	Farm Laborer	Oklahoma
24	Chloe Malone	18	Wife	No No No No H	Oklahoma
25	H. M. Matheson	59	Head	Farmer	Tennessee
26	Katherine Matheson	50	Wife	No No No No H	Texas
27	Dorothy Matheson	14	Daughter	No No No No S	Oklahoma
28	H. D. Matheson	12	Son	—	Oklahoma
29	Katherine Matheson	9	Daughter	—	Oklahoma
30	Lonnie L. Johnson	46	Head	Labor	Arkansas
31	Hazel Johnson	32	Wife	No No No No H	Oklahoma
32	Ronnie Charles Johnson	10	Son	—	Oklahoma
33	Patricia Johnson	8	Daughter	—	Oklahoma
34	Peggy Jean Johnson	6	Daughter	—	Oklahoma
35	Rosa Lee Johnson	3	Daughter	—	Oklahoma
36	Juanita Johnson	0	Daughter	—	Oklahoma
37	C. H. R. Calvin	49	Head	Farmer	Missouri
38	Oma Calvin	48	Wife	No No No No H	Missouri
39	Frank Meeker	67	Head	Farmer	Kansas
40	Nettie Meeker	66	Wife	No No No No H	Missouri

Search for Mary Day

All Mary Day Census Records Discover Day 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