JL
James Lawrence — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Whatcom-County, Washington
Our Model Tree links this James Lawrence across the 1930 and 1940 US Censuses in Whatcom-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Whatcom-County, Washington |
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Whatcom |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Marietta |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Irene Lawrence | Daughter | — | 3 | ~1937 |
| Isabelle Lawrence | Daughter | — | 13 | ~1927 |
| Margaret Lawrence | Daughter | — | 22 | ~1918 |
| Mary Lawrence | Daughter | — | 6 | ~1934 |
| Cordelia Lawrence | Daughter | — | 9 | ~1931 |
| Peter Lawrence | Head | — | 61 | ~1879 |
| James Lawrence | Son | — | 11 | ~1929 |
| Frank Lawrence | Son | — | 16 | ~1924 |
| Charles Lawrence | Son | — | 19 | ~1921 |
| Madeline Lawrence | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Whatcom, Washington
Son, age 1
Whatcom, Washington · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | American Indian |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | 1/4 blood |
| Mother's Birthplace | Duwamish |
| Can Read/Write | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Whatcom-County, Washington
Son, age 11
Whatcom-County, Washington · implied b. ~1929 — 10 household members
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Whatcom |
| Highest Grade | No 3 |
| 1935 Residence | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Lawrence across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Lawrence
Son · 1940 · age 11 · b. ~1929 · Washington
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Sibling
Irene Lawrence
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Lawrence
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lawrence
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabelle Lawrence
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Lawrence
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cordelia Lawrence
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Lawrence
Sibling · 1940 · age 19
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 — Whatcom-County, Washington
Open full size
1940 US Federal Census — Whatcom-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04369-00535)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Janet Jones | 5 | daughter | — | Washington |
| 42 | Robert Jones | 2 | Son | — | Washington |
| 43 | Lloyd Jones | 0 | Son | — | Washington |
| 44 | Cassimer Baller | 36 | head | Bus Driver | Washington |
| 45 | Anna Baller | 33 | wife | — | Washington |
| 46 | Richard Baller | 10 | Son | — | Washington |
| 47 | Wayne Baller | 7 | Son | — | Washington |
| 48 | Harold James | 24 | head | — | Washington |
| 49 | Mary James | 22 | wife | — | Washington |
| 50 | Rose Marie James | 1 | daughter | — | Washington |
| 51 | Harold Leroy James | 0 | Son | — | Washington |
| 52 | Peter Lawrence | 61 | head | Fishing | Washington |
| 53 | Madeline Lawrence | 42 | wife | — | Washington |
| 54 | Margaret Lawrence | 22 | daughter | — | Washington |
| 55 | Charles Lawrence | 19 | Son | Laborer | Washington |
| 56 | Frank Lawrence | 16 | Son | — | Washington |
| 57 | Isabelle Lawrence | 13 | daughter | — | Washington |
| 58 | James Lawrence THIS PERSON | 11 | Son | — | Washington |
| 59 | Cordelia Lawrence | 9 | daughter | — | Washington |
| 60 | Mary Jane Lawrence | 6 | daughter | — | Washington |
| 61 | Irene Lawrence | 3 | daughter | — | Washington |
| 62 | Herman Olsen | 30 | head | Worker | Washington |
| 63 | Irene Olsen | 28 | wife | — | Washington |
| 64 | Raymond Olsen | 9 | Son | — | Washington |
| 65 | Harold Olsen | 7 | Son | — | Washington |
| 66 | Herman Jr. Olsen | 3 | Son | — | Washington |
| 67 | William Washington | 47 | head | Fish Buyer | Washington |
| 68 | Christina Washington | 41 | wife | — | Washington |
| 69 | Elizabeth Washington | 19 | daughter | New Worker | Washington |
| 70 | Alfons Merill Washington | 16 | Son | — | Washington |
| 71 | Rose Marie Washington | 13 | daughter | — | Washington |
| 72 | Victor Washington | 11 | Son | — | Washington |
| 73 | Vendine Washington | 8 | Son | — | Washington |
| 74 | Francis Kinley | 23 | head | Fishing | Washington |
| 75 | Mary Kinley | 21 | wife | — | Washington |
| 76 | Patricia Ann Kinley | 1 | daughter | — | Washington |
| 77 | George Finkbonner | 65 | head | Fishing | Washington |
| 78 | John Nojulius | 65 | head | Laborer | Washington |
| 79 | Catherine Nojulius | 59 | wife | — | Washington |
| 80 | Haynes Nojulius | 22 | Son | Fishing | Washington |
Related Census Records
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)