Margaret Sullivan — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Ramsey-County, Minnesota

Our Model Tree links this Margaret Sullivan across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents John & Mamie — first a spouse (b.~1913), then head of a 4-person household.

Age 27 b. ~1913 Female Spouse Born: Minnesota Married

1940 Census Record Details

Census Year	1940
Location	Ramsey-County, Minnesota
Surname	Sullivan
Given Name	Margaret M
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	St. Paul City
1935 Residence (County)	Ramsey County
Additional Details
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Township / Ward	St Paul City
Est. Birth Year	~1913

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
Mary Sullivan	Daughter	—	3	~1937
Ralph Sullivan	Head	—	30	~1910
Loyal Farnsworth	Other	—	33	~1907
Margaret Sullivan	Spouse	—	27	~1913

Census Appearances

1920

Ramsey, Minnesota

Daughter, age 6

Ramsey, Minnesota · implied b. ~1914 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sullivan
Given Name	Margaret
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	6
Marital Status	Single
Birthplace	Minnesota
Father's Birthplace	Wisconsin
Mother's Birthplace	Minnesota
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1930

Ramsey, Minnesota

Daughter, age 16

Ramsey, Minnesota · implied b. ~1914 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sullivan
Given Name	Margaret O.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Minnesota
Father's Birthplace	Wisconsin
Mother's Birthplace	Minnesota
Can Read/Write	Yes
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Ramsey-County, Minnesota

Spouse, age 27

Ramsey-County, Minnesota · implied b. ~1913 — 4 household members

Surname	Sullivan
Given Name	Margaret M
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	St. Paul City
1935 Residence (County)	Ramsey County
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Model Tree available

Our Model Tree links Margaret Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Sullivan (~0.92 confidence) and mother Mamie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Sullivan

b. ~1875

Source father

● Household · direct · ~0.92

Mother

Mamie Sullivan

b. ~1880

Source mother

● Household · direct · ~0.92

This person

Anchor record

Margaret Sullivan

Spouse · 1940 · age 27 · b. ~1913 · Minnesota

★ 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 — Ramsey-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02001-00523)

Line	Name	Age	Relation	Occupation	Birthplace
41	James D Roberts	68	Head	Carpenter	Minnesota
42	Marie A Newman	27	Daughter	—	Minnesota
43	James G Newman	5	Grandson	—	Minnesota
44	Gerald L Newman	3	Grandson	—	Minnesota
45	—	None	—	—	—
46	Harold P. Martin	31	Head	Deputy Sheriff	Minnesota
47	Mildred M Martin	28	Wife	—	Minnesota
48	Dennis D Denlow	36	Brother-in-law	Proprietor	Minnesota
49	Margaret M Peckan	20	Maid	Maid	Minnesota
50	Ralph V Sullivan	30	Head	Service Man	Illinois
51	Margaret M Sullivan THIS PERSON	27	Wife	—	Minnesota
52	Mary C Sullivan	3	Daughter	—	Minnesota
53	Loyal Farnsworth	33	Lodger	Service Man	Wisconsin
54	Harold C. Comble	60	Head	Proprietor	Iowa
55	Emma J Comble	57	Wife	—	Illinois
56	Ward E. Comble	31	Son	Laborer	Illinois
57	Gerald J. Denlon	38	Head	Proprietor	Minnesota
58	Mildred C Denlon	22	Wife	—	North Dakota
59	Kathryn L Denlon	2	Daughter	—	Minnesota
60	Marilyn C. Denlon	0	Daughter	—	Minnesota
61	Margaret Fladback	18	Servant	Servant	Minnesota
62	Alexander J Galdue	41	Head	Salesman	Minnesota
63	Gertrude A Galdue	39	Wife	—	Michigan
64	Shirley J. Galdue	5	Daughter	—	Minnesota
65	Annette Galdue	44	Sister	Stenographer	Minnesota
66	Andrew B Kashuba	46	Head	Press Feeder	Minnesota
67	Mayme M Kashuba	48	Wife	—	Minnesota
68	Gertrude Schott	52	Sister-in-law	Seamstress	Minnesota
69	William E Dow	60	Head	Watchman	Missouri
70	Ida E Dow	58	Wife	—	South Dakota
71	John C Simpson	58	Head	Shipping Clerk	Sweden
72	Jewell C Robinson	20	Niece	—	Michigan
73	Mary J Geraghty	69	Head	—	Iowa
74	Russell L Geraghty	22	Grandson	Copy Clerk	Minnesota
75	Gunner D Swanson	25	Head	Truck Driver	Minnesota
76	Arlene M Swanson	22	Wife	—	Minnesota
77	Matt Wardian	69	Head	—	Illinois
78	Odelia S Wardian	69	Wife	—	Minnesota
79	June L Wardian	18	Daughter	—	Minnesota
80	Axel A Lundstrom	47	Head	Carpenter	Minnesota

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Pedigree Summary

Margaret

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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