... and here are a few more finds (including 1850 & 1860 posted earlier):


1850 US Census, IA Dubuque District7
David Jones, 38, Carpenter, NY
Mary Jones, 20, MD
Emma Jones, 4, IA
Margaret Maloy, 19, PA

1860 US Census, CA SanFrancisco SanFrancisco
David Jones, 55, Butcher, real property [blank], personal property $500,
Mary AJones, 37, MD
Nelson, 3, CA
Emma, 14, IA
Wm. Tell/Fell, 32, Sweden

1870 US Census, CA SanFrancisco SanFrancisco
SMITH, George, 34, Boiler Maker, real property $4000, personal property $1200, born Vermoont
Emma, 28, Keeping House, born Vermont [sic?]
Nelson, 7, attending school, born California
Mary, 5, at home, born California

1872
Smith, Emma S. ... married in 1872 to Howe, Charles W. ... 1872M-2365

1872
Howe, Charles W. ... married in 1872 to Smith, Emma S. ... 1872M-1211

1875 SF City DIrectory, p385
Howe, Charles W. (Howe & Harris), dwl Nucleus House
Howe, Charles W., clerk, dwl 612 Taylor

1879
Howe, Charles W. ... died in 1879 ... age 36 ... 1879D-1635

1879 Feb 26, San Francisco Bulletin, p3
DEATHS ...
HOWE - In this city, February [23 or 25], Charles W. Howe, a native of Boston, Mass, aged 36 years.
Friends and acquaintances are respectfully invited to attend the funeral to-morrow, (Thursday) at 3 o'clock, P.M., from his late residence, No. [???] Taylor street.

1880 US Census, CA SanFrancisco SanFrancisco
Post Street
HOWE, Emma S., 34, widowed, Keeps House, IA MD MD
SMITH, Nelson, 17 [1862], son, at school, CA MA IA
SMITH, Maud M, 11 [1868], daughter, at school, CA MA IA
HOWE, Charles K., 5, son, CA, IA IA
JONES, Mary E., 55, mother, widowed, at home, MD PA PA

1918 WWI draft card shows that Charles K. HOWE was born Dec 26, 1874.