Ida Davis — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Polk-County, Iowa

Our Model Tree links this Ida Davis across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 4-person household.

Age 70 b. ~1870 Female Spouse Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Polk-County, Iowa
Surname	Davis
Given Name	Ida
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Saylor Township
1935 Residence (County)	Polk
Additional Details
Income (1939)	0
Highest Grade	S-8
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Saylor Township
Est. Birth Year	~1870

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 Ida	Age	Birth yr
Mel Davis	Head	—	72	~1868
Roy Davis	Son	—	38	~1902
Ross Davis	Son	—	45	~1895
Ida Davis	Spouse	—	70	~1870

Census Appearances

1920

Polk, Iowa

Spouse, age 49

Polk, Iowa · implied b. ~1871 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davis
Given Name	Ida
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Polk, Iowa

Spouse, age 60

Polk, Iowa · implied b. ~1870 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davis
Given Name	Ida May
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	20
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Polk-County, Iowa

Spouse, age 70

Polk-County, Iowa · implied b. ~1870 — 4 household members

Surname	Davis
Given Name	Ida
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Saylor Township
1935 Residence (County)	Polk
Income (1939)	0
Highest Grade	S-8
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Ida Davis

Spouse · 1940 · age 70 · b. ~1870 · Iowa

★ 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 — Polk-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01192-00692)

Line	Name	Age	Relation	Occupation	Birthplace
41	Robert L. Pingley	29	Head	Laborer	Iowa
42	Mildred Pingley	28	Wife	—	Iowa
43	June Pingley	7	Daughter	—	Iowa
44	Gene B. Pingley	6	Son	—	Iowa
45	James Pingley	4	Son	—	Iowa
46	Jonathan Gedding	81	Head	Field Worker	Pennsylvania
47	Ed Berry	33	Head	Farm Hand	Ohio
48	Mel Davis	72	Head	Farm Hand	Iowa
49	Ida Davis THIS PERSON	70	Wife	—	Iowa
50	Ross Davis	45	Son	Farm Hand	Iowa
51	Roy Davis	38	Son	Farm Hand	Iowa
52	Perry Smith	41	Head	Laborer	Iowa
53	Ethel Smith	47	Wife	—	Iowa
54	Mary Brown	69	Head	—	Kansas
55	Mary Fletcher	71	Head	—	England
56	Everett Jr. Fletcher	44	Head	Fireman	Iowa
57	Laura Fletcher	42	Wife	—	Iowa
58	Everett Jr. Fletcher	15	Son	—	Iowa
59	Hal Chase	24	Head	President	Iowa
60	Barbara Chase	23	Wife	—	Washington
61	Lynda Chase	1	Daughter	—	Iowa
62	John Foreland	25	Head	Manager	Alabama
63	Ruth Foreland	23	Wife	—	Iowa
64	Gust Carlson	78	Head	Operator	Sweden
65	Mathilda Carlson	73	Wife	—	Sweden
66	Clifford Baldwin	32	Head	Operator	Iowa
67	Estellean Baldwin	28	Wife	—	Iowa
68	Robert Baldwin	1	Son	—	Iowa
69	Ronald Grandfield	26	Head	Teacher	Iowa
70	Clair Pettit	21	Head	Farm Hand	Michigan
71	Blanche Waitt	53	Head	Proprietress	Iowa
72	Harold Stader	40	Head	Salesman	Iowa
73	Agnes Stader	38	Wife	—	Iowa
74	Al Stader	20	Head	Carpenter	Iowa
75	Lucille Stader	22	Wife	—	Iowa
76	Aline Stader	1	Daughter	—	Iowa
77	Charles Hopp	29	Head	Station Attendant	Colorado
78	Lucille Hopp	25	Wife	—	Iowa
79	James Hopp	7	Son	—	Iowa
80	Jack Hopp	4	Son	—	Iowa

Search for Ida Davis

All Ida Davis Census Records Discover Davis 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