Marian Smith — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · San Francisco, California

Our Model Tree links this Marian Smith across the 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 5-person household.

Age 13 b. ~1907 Female Daughter Born: California Single

1920 Census Record Details

Census Year	1920
Location	San Francisco, California
Surname	Smith
Given Name	Marian M.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	13
Marital Status	Single
Birthplace	California
Father's Birthplace	California
Mother's Birthplace	California
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	California
Birth Country	United States
Birthplace (normalized)	california
Township / Ward	San Francisco City
Est. Birth Year	~1907

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.

5 people recorded at the same address in the 1920 census.

Name	Relation to head	Relative to Marian	Age	Birth yr
Eva Smith	Spouse	—	36	~1884
Marian Smith	Daughter	—	13	~1907
Grant Smith	Son	—	10	~1910
Grant Smith	Head	—	40	~1880
Sofia Michelson	Other	—	32	~1888

Census Appearances

1910

San Francisco, …

Daughter, age 3

San Francisco, California · implied b. ~1907 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Marian
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	3
Marital Status	Single
Birthplace	California
Father's Birthplace	California
Mother's Birthplace	California
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

1920

San Francisco, …

Daughter, age 13

San Francisco, California · implied b. ~1907 — 5 household members

Surname	Smith
Given Name	Marian M.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	13
Marital Status	Single
Birthplace	California
Father's Birthplace	California
Mother's Birthplace	California
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

Model Tree

Linked across censuses

Our Model Tree links Marian Smith across 2 US Census years (1910 and 1920) in San Francisco, California, using XGBoost record linkage.

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This person

Anchor record

Marian Smith

Daughter · 1920 · age 13 · b. ~1907 · California

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Sibling

Grant Smith

Sibling · 1920 · age 10

Source co-child of head (derived)

● Co-child · derived · ~0.88

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1920 US Federal Census — San Francisco, California Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu142unit:1144)

Line	Name	Age	Relation	Occupation	Birthplace
1	Edward Austin	72	Head	Auctioneer	Louisiana
2	Marion Austin	30	Daughter	Bookkeeper	Louisiana
3	Camille C. Wolff	40	Daughter	—	Louisiana
4	Charity Masten	61	Servant	Servant	Florida
5	Jim Sam	57	Servant	Servant	China
6	Carl Leonhardt	36	Head	Keeper	Illinois
7	Vivian R. Leonhardt	30	Wife	—	California
8	Vivian A. Leonhardt	6	Daughter	—	California
9	Treville L. Leonhardt	10	Daughter	—	California
10	Antoinette Elliott	50	Mother in law	—	Australia
11	Grant M. Smith	40	Head	Manager	California
12	Eva V. Smith	36	Wife	—	California
13	Marian M. Smith THIS PERSON	13	Daughter	—	California
14	Grant V. Smith	10	Son	—	California
15	Sofia Michelson	32	Servant	Servant	Finland
16	William A. Cox	64	Head	Broker	New Jersey
17	Rosamond Cox	18	Daughter	—	California
18	Harriette M. Larkin	65	Head	—	Missouri
19	Adele Larkin	35	Daughter	Trained Nurse	Missouri
20	Roger Carroll	64	Head	—	Ireland
21	Margaret Carroll	60	Wife	—	Ireland
22	Margaret B. Carroll	26	Daughter	—	California
23	Ella G. Carroll	24	Daughter	—	California
24	Roger Jr. Carroll	22	Son	Clerk	California
25	Earl T. Riley	34	Head	Manager	California
26	Vida L. Riley	34	Wife	—	California
27	Earl T. Jr. Riley	12	Son	—	California
28	George C. Riley	8	Son	—	California
29	Ralph W. Riley	4	Son	—	California
30	Helen L. Harrison	63	Aunt-in-law	—	Canada
31	Irene Pizany	25	Servant	Servant	California
32	Ahwin Sing	24	Servant	Servant	China
33	George Campbell	57	Head	—	California
34	Sena Campbell	44	Wife	—	California
35	George W. Campbell	9	Son	—	California
36	Mary L. Schader	44	Servant	Servant	Ohio
37	Henry J. Mahony	40	Head	Contractor	California
38	Margaret T. Mahony	40	Wife	—	California
39	Henry J. Jr. Mahony	15	Son	—	California
40	Rose M. Mahony	10	Daughter	—	California
41	Mary C. Murphy	72	Mother in law	—	Ireland
42	John G. Gordon	17	Servant	Servant	California
43	William J. Ross	47	Head	Cashier	Scotland
44	Amelia M. Ross	50	Wife	—	Ireland
45	Jessie A. Ross	19	Daughter	Telephone Operator	New York
46	William J. Ross	15	Son	—	New York
47	Jean F. Ross	14	Daughter	—	New York
48	Ruby H. Lundquist	31	Head	—	Nevada
49	Anne M. Lundquist	2	Daughter	—	California
50	William W. Dunn	72	Father	Weigher	Michigan

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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