MN
Margaret Nelson — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Margaret Nelson across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents William & Dorothy — first a daughter (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Nelson |
| Given Name | Margaret A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Nelson | Daughter | — | 20 | ~1910 |
| Thos Nelson | Head | — | 45 | ~1885 |
| Carrie Nelson | Other | — | 24 | ~1906 |
| Nelson Nelson | Other | — | 4 | ~1926 |
| Dorothy Nelson | Other | — | 16 | ~1914 |
| Dorothy Nelson | Spouse | — | 41 | ~1889 |
Census Appearances
1910
San Francisco, …
Daughter, age
San Francisco, California · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Daughter, age 10
San Francisco, California · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret A |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 20
San Francisco, California · implied b. ~1910 — 6 household members
| Surname | Nelson |
| Given Name | Margaret A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Margaret Nelson across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father William Nelson (~0.92 confidence) and mother Dorothy Nelson (~0.92 confidence) and father William Nelson (~0.92 confidence) and father Thos Nelson (~0.92 confidence) and mother Dorothy Nelson (~0.92 confidence) and mother Dorothy Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Nelson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Dorothy Nelson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
William Nelson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Thos Nelson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Dorothy Nelson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Dorothy Nelson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Nelson
Daughter · 1930 · age 20 · b. ~1910 · California
★ 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 — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
31 people indexed on this census page (ia:1930:californiacensus00reel202:0463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thos A Nelson | 45 | Head | Director | California |
| 52 | Dorothy A Nelson | 41 | Wife | — | California |
| 53 | Margaret A Nelson THIS PERSON | 20 | Daughter | — | California |
| 54 | Dorothy A Jr Nelson | 16 | — | — | California |
| 55 | Nelson A Jr Nelson | 4 | — | — | California |
| 56 | Carrie Nelson | 24 | — | Maid | District of Columbia |
| 57 | Wm Litchfield | 40 | Head | Estimator | Colorado |
| 58 | Dorothy Litchfield | 36 | — | Bookkeeper | Utah |
| 59 | Russell Cushing | 54 | Head | Architect | California |
| 60 | Jean C Cushing | 54 | — | — | California |
| 62 | Edwin Okerstrom | 35 | Head | Owner | Sweden |
| 63 | Christine Okerstrom | 36 | — | Dressmaker | England |
| 64 | Hilding Okerstrom | 32 | — | Clerk | Sweden |
| 65 | Sackman Krossing | 47 | Head | Merchant | Germany |
| 66 | Marie Krossing | 44 | — | — | Denmark|Germany |
| 67 | Arthur Quigley | 34 | Head | — | California |
| 68 | Quigley | 32 | — | — | California |
| 69 | W Walker | 71 | Lodger | Salesman | California |
| 70 | N Walker | 72 | — | — | California |
| 71 | Fred De Luca | 39 | Head | Owner | Italy |
| 72 | Frances De Luca | 32 | — | — | Italy |
| 73 | Jasper De Luca | 13 | — | — | California |
| 74 | Helen De Luca | 5 | — | — | California |
| 75 | Helen Farst | 41 | Head | Manager | Missouri |
| 76 | Lena Farst | 65 | — | — | New Zealand |
| 77 | Lester P Farst | 33 | — | Buyer | Australia |
| 78 | Jesse Neat | 32 | Head | Shipmaster | Washington |
| 79 | Blanche Neat | 32 | — | — | Washington |
| 81 | Wm S Mancke | 45 | Head | Owner | Iowa |
| 82 | Olenne Mancke | 42 | — | — | Wisconsin |
| 83 | Mae E Plant | 60 | — | — | Pennsylvania |
Pedigree Summary
Margaret
Gen 1 · 6 parents
~0.92
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)