**Marker shows birth in 1880; however, he was ALIVE in the 23 June 1880 census, age 6/12, well before 11 Dec 1880. So, I suggest that he was born 23 Dec 1879 (that would make him age 6/12 for the 1880 census) - Information contributed by Sandy Morrey, Dec 12, 2020.
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1880 census Kimshew, Butte, CA: William Boness, aged 52, farmer, bp England, both parents England; Margaret aged 25, bp PA, both parents Ireland; William aged 8; Mary E. aged 6; Ann L. aged 5; Tom aged 3; Frank aged 6 months, born Dec -- all born CA.

1900 census Humboldt, Butte, CA: William Boness, aged 72, born Nov 1827, fruit raiser, bp England, both parents England, came to the U.S. 1848; Margaret J. aged 44, born Feb 1856, married 30 years, twelve children w/twelve living, bp PA, father MA, mother Ireland; William J. aged 27, born Aug 1872; Mary J. aged 26, born Mar 1874; Thomas aged 23, born Aug 1876; Frank G. aged 20, born Dec 1879; Amos aged 17, born Feb 1883; Rebecca aged 15, born Apr 1885; Ada F. aged 13, born Oct 1886; Federick aged 11, born Feb 1889; Jay J. aged 9, born Feb 1891; Jessie aged 7, born Jan 1893; Marjorie aged 4, born Jul 1895 -- all born CA.

1910 census Chico, Butte, CA: Margaret Boness, aged 57, widow, twelve children w/twelve living, bp PA, father MA, mother Ireland; Mary aged 34, bp CA, father England, mother PA; Frank aged 25; Amos aged 23 -- both farmhands; Ada aged 22, laundress steam laundry; Rebecca aged 21, waitress; Fred aged 20, butcher meat market; Jay aged 17, sawyer saw mill; Jessie aged 16; Margaret aged 14 -- all born CA.

WWI Draft Registration Cards 1917-1918: Frank Eugene Boness, dob Dec 11, 1880, stockman working for Frank Colm, 5th & Main St., Chico, Butte, CA; nearest relative Mrs. Maggie Boness, both residing 64 Humboldt, Chico, Butte, CA; registered same Sep 12, 1918.-census and draft information courtesy the files of Carolyn Hackett Dowd.

California Death Index Records, 1905-1939: Name: Frank Boness Birth Year: abt 1880 Death Date: 9 Mar 1921 Age at Death: 41 Death Place: San Joaquin, California, USA.
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Chico Record, Thursday Morning, March 10, 1921, pg 5 col 7: Francis E. Boness Succumbs in Stockton. Francis Eugene Boness, of Chico, widely known cattleman, died at Stockton yesterday, according to word received here by relatives. He was 41 years of age.

Boness was a native of California and throughout his life had been a resident of this state. He made his home in Chico for many years, leaving here about a year ago for Stockton.

He is survived by five brothers and six sisters: Thomas Boness, Amos Boness, William Boness; Mary Boness, Mrs. Annie Wardwell, Ada Boness, Mrs. Jessie March, Margaret Boness, all of Chico, and Mrs. Reba Campter, of Oroville.

The funeral will be held tomorrow morning at 10 o’clock from the Bicknell & Moore chapel here, Rev. R.S. Eastman officiating. Interment will take place in Chico cemetery.