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Robert Graham — 1930 US Census Record
Model Tree available1930 United States Federal Census · Whatcom, Washington
Our Model Tree links this Robert Graham across the 1910, 1920 and 1930 US Censuses in Whatcom, Washington (XGBoost, ~Confirmed), with identified parents Elsie & Ordell — first a head (b.~1897), then head of a 5-person household.
Age 33
b. ~1897
Male
Head
Born: Washington
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Whatcom, Washington |
| Surname | Graham |
| Given Name | Robert D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 24 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Clerk |
| Industry | Drug store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 100.00 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Clerk |
| Township / Ward | Bellingham City |
| Est. Birth Year | ~1897 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Graham | Daughter | — | 6 | ~1924 |
| Maryann Graham | Daughter | — | 7 | ~1923 |
| Robert Graham | Head | — | 33 | ~1897 |
| Robert Graham | Son | — | 4 | ~1926 |
| Margaret Graham | Spouse | — | 34 | ~1896 |
Census Appearances
1910
Whatcom, Washington
Son, age 12
Whatcom, Washington · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Whatcom, Washington
Son, age 22
Whatcom, Washington · implied b. ~1898 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Occupation | salesman |
| Industry | drugs |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Whatcom, Washington
Head, age 33
Whatcom, Washington · implied b. ~1897 — 5 household members
| Surname | Graham |
| Given Name | Robert D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 24 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Clerk |
| Industry | Drug store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 100.00 |
| Radio Set | R |
| Veteran | Yes WW |
| 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 Robert Graham across 3 US Census years (1910, 1920 and 1930) in Whatcom, Washington, using XGBoost record linkage. Identified parents: mother Elsie Calkins (~0.80 confidence) and father Ordell Calkins (~0.92 confidence) and father Chas Graham (~0.92 confidence) and mother Emma Graham (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Mother
Elsie Calkins
b. ~None
Source mother
● Household
· direct · ~0.8
Father
Ordell Calkins
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Chas Graham
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Emma Graham
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Graham
Head · 1930 · age 33 · b. ~1897 · Washington
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Whatcom, Washington
Open full size
1930 US Federal Census — Whatcom, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2522unit:0338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma L Mallick | 52 | Wife | Manager | Minnesota |
| 52 | Charles V Mallick | 18 | Son | None | Washington |
| 53 | B Clyde | 49 | Head | Manager | Missouri |
| 54 | Ada A Clyde | 42 | Wife | None | Washington |
| 55 | William R Solebakken | 42 | Head | Box Maker | Minnesota |
| 56 | Frances C Solebakken | 40 | Wife | Teacher | Ohio |
| 57 | Elizabeth A Solebakken | 8 | Daughter | None | Washington |
| 58 | Albert W Solebakken | 5 | Son | None | Washington |
| 59 | Charlotte M Cochul | 48 | Sister in law | Teacher | Ohio |
| 60 | Cora L Benefiel | 61 | Housekeeper | Housekeeper | Ohio |
| 61 | William Brannan | 33 | Head | Superintendent | Washington |
| 62 | Gertrude J Brannan | 28 | Wife | None | Washington |
| 63 | George E Brannan | 1 | Son | None | Washington |
| 64 | Florence Ruderlie | 19 | Niece | None | Washington |
| 65 | Ben E Johnson | 43 | Head | Contractor | Michigan |
| 66 | Laura M Johnson | 38 | Wife | None | Minnesota |
| 67 | James B Johnson | 9 | Son | None | Minnesota |
| 68 | David B Johnson | 7 | Son | None | Minnesota |
| 69 | Nancy J Johnson | 2 | Daughter | None | Minnesota |
| 70 | William S Hooper | 55 | Head | Salesman | Illinois |
| 71 | Helen B Hooper | 44 | Wife | None | Ohio |
| 72 | Lyle A Greenwood | 37 | Head | Physician | Washington |
| 73 | Hazel Greenwood | 32 | Wife | None | Wisconsin |
| 74 | Dana R Greenwood | 6 | Daughter | None | Washington |
| 75 | Ray Greenwood | 3 | Son | None | Washington |
| 76 | Betty Greenwood | 20 | Maid | Maid | Washington |
| 77 | John N Donovan | 38 | Head | Assistant Pres | Washington |
| 78 | Geraldine Donovan | 37 | Wife | None | Washington |
| 79 | Patricia Donovan | 10 | Daughter | None | Washington |
| 80 | John F Donovan | 7 | Son | None | Washington |
| 81 | Frances B Ross | 63 | Maid | Servant | Canada Eng |
| 82 | Robert D Graham THIS PERSON | 33 | Head | Clerk | Washington |
| 83 | Margaret M Graham | 34 | Wife | None | Washington |
| 84 | Maryann Graham | 7 | Daughter | None | Washington |
| 85 | Margaret E Graham | 6 | Daughter | None | Washington |
| 86 | Robert Graham | 4 | Son | None | Washington |
| 87 | Charles R Graham | 60 | Head | President | Michigan |
| 88 | Emma F Graham | 58 | Wife | None | Ohio |
| 89 | Vance B Valich | 54 | Head | Laborer | Austria |
| 90 | Margaret Valich | 53 | Wife | None | Austria |
| 91 | John J Valich | 25 | Son | Fisherman | Austria |
| 92 | Mary C Valich | 13 | Daughter | None | Washington |
| 93 | Edward Surlucich | 37 | Roomer | Lumber Piler | Austria |
| 94 | Whitney D Wear | 51 | Head | Physician | Illinois |
| 95 | Leila B Wear | 40 | Wife | None | Nebraska |
| 96 | Whitney B Wear | 11 | Son | None | Washington |
| 97 | Eleanor H Marsh | 22 | Maid | Maid | Washington |
| 98 | Ralph A Clark | 49 | Head | Sales Manager | Wisconsin |
| 99 | Grace Clark | 49 | Wife | None | Iowa |
| 100 | Lawrence D Clark | 15 | Son | None | Washington |
Pedigree Summary
Robert
Gen 1 · 4 parents
~0.89
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)