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Mary Mcmanus — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Mcmanus across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 8
b. ~1922
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | McManus |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | England |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | City Of Signal Hill |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Vincent Mcmanus | Son | — | 13 | ~1917 |
| Mary Mcmanus | Daughter | — | 8 | ~1922 |
| Victor Mcmanus | Son | — | 12 | ~1918 |
| Adele Mcmanus | Daughter | — | 1 | ~1929 |
| Louise Mcmanus | Spouse | — | 38 | ~1892 |
| William Mcmanus | Head | — | 42 | ~1888 |
| Marguerite Mcmanus | Daughter | — | 11 | ~1919 |
| Helen Mcmanus | Daughter | — | 4 | ~1926 |
Census Appearances
1930
Los Angeles, …
Daughter, age 8
Los Angeles, California · implied b. ~1922 — 8 household members
| Surname | McManus |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | England |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 19
Los-Angeles-County, California · implied b. ~1921 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMonies |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Mary Mcmanus across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmanus
Daughter · 1930 · age 8 · b. ~1922 · California
★ You are viewing this record
Sibling
Adele Mcmanus
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Mcmanus
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcmanus
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Mcmanus
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Mcmanus
Sibling · 1930 · age 11
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
1930 US Federal Census — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel175:0273)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Mcmanus | 42 | Head | Transfer | England |
| 2 | Louise A Mcmanus | 38 | Wife | — | Louisiana |
| 3 | Vincent J Mcmanus | 13 | Son | — | California |
| 4 | Victor E Mcmanus | 12 | Son | — | California |
| 5 | Marguerite Mcmanus | 11 | Daughter | — | California |
| 6 | Mary Louise Mcmanus THIS PERSON | 8 | Daughter | — | California |
| 7 | Helen M Mcmanus | 4 | Daughter | — | California |
| 8 | Adele R Mcmanus | 1 | Daughter | — | California |
| 9 | Frank G Bartholomew | 36 | Head | Claim Adjuster | Ohio |
| 10 | Vera B Bartholomew | 36 | Wife | — | Iowa |
| 11 | Richard K Bartholomew | 4 | Son | — | California |
| 12 | Daryl Lee Bartholomew | 3 | Son | — | California |
| 13 | Fred V Sawrey | 28 | Head | Foreman | Arkansas |
| 14 | Flo A Sawrey | 26 | Wife | — | Oklahoma |
| 15 | James R Sawrey | 5 | Son | — | California |
| 16 | Juanita R Sawrey | 3 | Daughter | — | California |
| 17 | William E Sawrey | 1 | Son | — | California |
| 18 | Thomas J Law | 80 | Head | — | England |
| 19 | Sarah Law | 76 | Wife | — | Pennsylvania |
| 20 | Alva F Hickey | 23 | Head | Operator | California |
| 21 | Juanita L Hickey | 17 | Wife | — | Indiana |
| 22 | Edward M Scott | 37 | Head | Vender | New York |
| 23 | Ada L Scott | 34 | Wife | — | Illinois |
| 24 | Kenneth V L Scott | 15 | Son | — | Illinois |
| 25 | Glen E Scott | 11 | Son | — | Illinois |
| 26 | Vesta A Scott | 8 | Daughter | — | Iowa |
| 27 | Doris E Scott | 7 | Daughter | — | Iowa |
| 28 | Charles R Scott | 5 | Son | — | California |
| 29 | Norville R Scott | 3 | Son | — | California |
| 30 | Ada A Scott | 1 | Daughter | — | California |
| 31 | Elmore B Pitman | 75 | Head | — | New Hampshire |
| 32 | Lodisa Pitman | 77 | Wife | — | Michigan |
| 33 | Eva Young | 74 | Head | Keeper | Tennessee |
| 34 | Wallia Young | 11 | Daughter | — | Tennessee |
| 35 | Toby Young | 17 | Son | Caddy | Tennessee |
| 36 | Glen Young | 9 | Son | — | California |
| 37 | Clara Young | 5 | Daughter | — | California |
| 38 | Jason Ray | 33 | Son-in-law | Laborer | Tennessee |
| 39 | Louise Ray | 19 | Daughter | Waitress | Tennessee |
| 40 | Cleo Chrisman | 15 | Daughter | — | Tennessee |
| 41 | Hugh B Howell | 70 | Lodger | Laborer | Tennessee |
| 42 | Robert P Christian | 60 | Head | Stationary Engr | Missouri |
| 43 | Ralph T Christian | 15 | Son | — | Missouri |
| 44 | Edward M Wilson | 47 | Head | Operator | Mississippi |
| 45 | Elizabeth O Wilson | 45 | Wife | — | Mississippi |
| 46 | Elva L Boykin | 17 | Step-dau | — | Mississippi |
| 47 | James G Wilson | 21 | Son | Mechanic | Mississippi |
| 48 | Gladys O'Malley | 32 | Head | Waitress | Indiana |
| 49 | Ruth O'Malley | 13 | Daughter | — | Indiana |
| 50 | Josephine O'Malley | 12 | Daughter | — | Indiana |
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)