Margaret Ward — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Delaware-County, Iowa

Our Model Tree links this Margaret Ward across the 1920, 1930 and 1940 US Censuses in Delaware-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 4-person household.

Age 51 b. ~1889 Female Spouse Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Delaware-County, Iowa
Surname	Ward
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Iowa City
Additional Details
Highest Grade	C 1
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Ryan
Est. Birth Year	~1889

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 Margaret	Age	Birth yr
Kathryn Ward	Daughter	—	18	~1922
William Ward	Head	—	59	~1881
John Ward	Son	—	13	~1927
Margaret Ward	Spouse	—	51	~1889

Census Appearances

1920

Delaware, Iowa

Spouse, age 33

Delaware, Iowa · implied b. ~1887 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Ward
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Delaware, Iowa

Spouse, age 42

Delaware, Iowa · implied b. ~1888 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Ward
Given Name	Margaret M
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	27
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Delaware-County, Iowa

Spouse, age 51

Delaware-County, Iowa · implied b. ~1889 — 4 household members

Surname	Ward
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Iowa City
Highest Grade	C 1
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

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This person

Anchor record

Margaret Ward

Spouse · 1940 · age 51 · b. ~1889 · Iowa

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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 — Delaware-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01155-00009)

Line	Name	Age	Relation	Occupation	Birthplace
41	Mary John Sister	93	—	—	Iowa
42	Patrick Malley	61	Head	Clergyman	Ireland
43	Mary Malley	60	Housekeeper	Housekeeper	Iowa
44	Louis Tifian	39	Head	Patrolman	Iowa
45	Frieda Tifian	36	Wife	—	Iowa
46	Herman Harder	71	Head	—	Germany
47	Augusta Harder	67	Wife	—	Germany
48	Fred Harder	63	Brother	—	Germany
49	John Arnold	25	Head	Proprietor	Iowa
50	Mildred Arnold	22	Wife	—	Iowa
51	William F. Ward	59	Head	—	New York
52	Margaret Ward THIS PERSON	51	Wife	—	Iowa
53	Kathryn Ward	18	Daughter	—	Iowa
54	John Ward	13	Son	—	Iowa
55	Owald E. Senat	47	Head	Clergyman	Penn
56	Edna Senat	44	Wife	—	Iowa
57	George Senat	21	Son	Automobile Mechanic	Iowa
58	Harold Senat	19	Son	—	South Dakota
59	Mary Claire Senat	17	Daughter	—	North Dakota
60	Marie D. Mcaleer	43	Head	Grocery Clerk	Iowa
61	Eleanor Mcaleer	19	Daughter	Attendant	Iowa
62	Loretta Mcaleer	17	Daughter	—	Iowa
63	Robert Mcaleer	15	Son	—	Iowa
64	John Keegan	59	Head	Farm Laborer	Iowa
65	Margaret Keegan	56	Wife	—	Iowa
66	Vincent Keegan	6	Nephew	—	Iowa
67	Sarah Loughren	71	Head	—	Iowa
68	Agnes Loughren	40	Daughter	—	Iowa
69	Walter Gaffney	45	Head	Carpenter	Iowa
70	Olide Gaffney	44	Wife	—	Wisconsin
71	James Gaffney	17	Son	—	Iowa
72	Joseph Gaffney	16	Son	—	Iowa
73	Patricia Gaffney	15	Daughter	—	Iowa
74	Dorothy Gaffney	13	Daughter	—	Iowa
75	Jane Ann Gaffney	11	Daughter	—	Iowa
76	Phyllis Gaffney	9	Daughter	—	Iowa
77	Belchem Kirby	40	Lodger	Trucker	Ky
78	Charlotte Powers	43	Sister-in-law	Housekeeper	Wisconsin
79	Mary Powers	12	Niece	—	Iowa
80	Augusta Mccrea	69	Head	—	Sweden

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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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