Robert Lawrence — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Multnomah-County, Oregon

Our Model Tree links this Robert Lawrence across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Mabel — first a son (b.~1911), then head of a 3-person household.

Age 29 b. ~1911 Male Son Born: Oregon Single

1940 Census Record Details

Census Year	1940
Location	Multnomah-County, Oregon
Surname	Lawrence
Given Name	Robert A.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	29
Marital Status	Single
Birthplace	Oregon
1935 Residence (City)	Portland (city)
1935 Residence (County)	Multnomah
Additional Details
Occupation	Clerk
Industry	S. P. & S. Railroad
Class of Worker	PW
Hours Worked	44
Income (1939)	1674
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon
Occupation	Clerk
Township / Ward	Portland City
Est. Birth Year	~1911

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.

3 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Robert	Age	Birth yr
Robert Lawrence	Son	—	29	~1911
Mabel Lawrence	Head	—	52	~1888
Rena Lawrence	Other	—	88	~1852

Census Appearances

1920

Multnomah, Oregon

Other, age 8

Multnomah, Oregon · implied b. ~1912 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lawrence
Given Name	Robert A
Relationship to Head	Grandson
Sex	M
Color / Race	White
Age	8
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	Oregon
Mother's Birthplace	Illinois
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1930

Multnomah, Oregon

Son, age 18

Multnomah, Oregon · implied b. ~1912 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lawrence
Given Name	Robert Q.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	18
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	Oregon
Mother's Birthplace	Illinois
Occupation	Accounting
Industry	Railroad Office
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1940

Multnomah-County, Oregon

Son, age 29

Multnomah-County, Oregon · implied b. ~1911 — 3 household members

Surname	Lawrence
Given Name	Robert A.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	29
Marital Status	Single
Birthplace	Oregon
1935 Residence (City)	Portland (city)
1935 Residence (County)	Multnomah
Occupation	Clerk
Industry	S. P. & S. Railroad
Class of Worker	PW
Hours Worked	44
Income (1939)	1674
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

Model Tree

Model Tree available

Our Model Tree links Robert Lawrence across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mabel Lawrence (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Mabel Lawrence

b. ~1888

Source mother

● Household · direct · ~0.92

This person

Anchor record

Robert Lawrence

Son · 1940 · age 29 · b. ~1911 · Oregon

★ 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 — Multnomah-County, Oregon Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03391-00793)

Line	Name	Age	Relation	Occupation	Birthplace
1	Winifred D. Richards	50	Head	Janitor	Oregon
2	Mia B. Richards	49	Wife	Caterer	Illinois
3	Daniel G. Richards	25	Son	Clerk	Oregon
4	John Rollo	62	Head	Longshoreman	Scotland
5	Jeanie D. Rollo	59	Wife	—	Scotland
6	Thomas J. Irwin	35	Son-in-law	Salesman	England
7	Christina I. Irwin	23	Daughter	—	Oregon
8	Charles R. Irwin	3	Grand-son	—	Oregon
9	John D. Rollo	17	Son	—	Oregon
10	Francis J. Dempsey	70	Head	—	England
11	Miles J. Miles	31	Head	Paperhanger	Kansas
12	Gurita B. Hall	25	Wife	—	Kansas
13	Hester O. Hall	61	Head	—	Arkansas
14	Beckie F. Hall	59	Wife	—	Arkansas
15	Chester L. Hall	19	Son	Paperhanger	Kansas
16	Floyd O. Hall	15	Son	—	Kansas
17	Mabel Lawrence	52	Head	—	Illinois
18	Robert A. Lawrence THIS PERSON	29	Son	Clerk	Oregon
19	Rena P. Lawrence	88	Mother-in-law	—	Sweden
20	Matthew Creegan	39	Head	—	Eire
21	Mary Creegan	37	Wife	—	No. Ireland
22	James Y. Creegan	9	Son	—	Oregon
23	William M. Rea	33	Head	Fisherman	Oregon
24	Bessie Rea	29	Wife	—	Arkansas
25	Daisy Rea	9	Daughter	—	California
26	William Rea	7	Son	—	Oregon
27	Duane Rea	5	Son	—	Oregon
28	Drew L. Moore	33	Head	Laborer	Arkansas
29	Mary E. Moore	30	Wife	—	Texas
30	Wayne R. Dexter	10	Son	—	Colorado
31	Sandra M. Moore	5	Daughter	—	Oregon
32	William Wood	80	Head	—	England
33	Emily Wood	70	Wife	—	England
34	Louis B. Hale	53	Head	Truck Driver	Missouri
35	Margaret Jane Hale	51	Wife	Janitress	Canada-English
36	George L. Clapper	59	Head	—	Nebraska
37	Alfaretta M. Clapper	45	Wife	Seamstress	Kansas
38	Donna Mae Clapper	14	Daughter	—	Oregon
39	Clyde E. Rentfrow	39	Head	Timber Feller	Missouri
40	Marguerite Rentfrow	32	Wife	—	Canada-French

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Pedigree Summary

Robert

Gen 1 · 1 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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