JM
James Morrow — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this James Morrow across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents James & Ella — first a son (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Morrow |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Wireless Operator |
| Industry | Shipping & Transportation |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1265 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Wireless Operator |
| Township / Ward | Oakland |
| Est. Birth Year | ~1895 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Ella Morrow | Head | — | 80 | ~1860 |
| Margaret Campbell | Daughter | — | 16 | ~1924 |
| Maria Morrow | Daughter | — | 54 | ~1886 |
| James Morrow | Son | — | 45 | ~1895 |
Census Appearances
1920
Alameda, California
Son, age 23
Alameda, California · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrow |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Radio Operator |
| Industry | Oil Boat |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Alameda, California
Son, age 34
Alameda, California · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrow |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Radio Operator |
| Industry | Oil Tanker |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Alameda-County, California
Son, age 45
Alameda-County, California · implied b. ~1895 — 4 household members
| Surname | Morrow |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Occupation | Wireless Operator |
| Industry | Shipping & Transportation |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1265 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links James Morrow across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Morrow (~0.92 confidence) and mother Ella Morrow (~0.92 confidence) and mother Ella Morrow (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Morrow
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Ella Morrow
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Ella Morrow
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Morrow
Son · 1940 · age 45 · b. ~1895 · California
★ You are viewing this record
Sibling
Maria Morrow
Sibling · 1940 · age 54
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Campbell
Sibling · 1940 · age 16
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
1940 US Federal Census — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
23 people indexed on this census page (nara:1940:m-t0627-00445-00454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E. Cox | 78 | Mother | — | Texas |
| 2 | Alfred Nielsen | 36 | Roomer | Carpenter | Denmark |
| 3 | Louis Williams | 64 | Head | Cook | Missouri |
| 4 | Bessie Williams | 58 | Wife | — | Nebraska |
| 5 | Troy C. Carlton | 52 | Head | Moulder | California |
| 6 | Casimir Moranko | 43 | Partner | Reg. Nurse | Terr. Hawaii |
| 8 | Ellen Enos | 45 | Daughter | — | California |
| 11 | Everett L. Dawson | 14 | Son | — | California |
| 14 | Lena M. Griest | 70 | Mother | — | Missouri |
| 16 | Clayton Fredenburg | 22 | Roomer | Lab. Worker | California |
| 17 | Jean B. Reay | 22 | Roomer | Lab. Worker | California |
| 19 | David E. Skilling | 26 | Brother | — | Oregon |
| 20 | Leona H. Thompson | 72 | Mother | — | California |
| 21 | Paul W. Halstead | 31 | Roomer | Floorman | Arkansas |
| 23 | Ella C. Morrow | 80 | Head | — | Pennsylvania |
| 24 | Maria B. Morrow | 54 | Daughter | — | Pennsylvania |
| 25 | James W. Morrow THIS PERSON | 45 | Son | Wireless Operator | Pennsylvania |
| 26 | Margaret Campbell | 16 | Daughter | — | Canada |
| 27 | Barbara Marshall | 73 | Head | — | Scotland |
| 29 | Harvey Mcmurry | 25 | Son | — | California |
| 31 | Susan Booth | 69 | Head | — | Missouri |
| 35 | Walter P. Schrett | 62 | Roomer | — | Kansas |
| 36 | Benjamin Hall | 45 | Lodger | Carpenter | New York |
Pedigree Summary
James + 2 siblings
Gen 1 · 3 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)