James was born about 1824 in maybe Kentucky. He married Elizabeth Shattuck 3 Apr 1850 in Madison County Illinois. 
Their emigration to California along with Elizabeth's parents is documented in letters published in the Alton Weekly Telegraph.
Alton Daily Courier 03 Feb 1853, Thu • Page 2 "Among the names of our citizens enumerated by us yesterday as going to California we omitted that of James W Smith Wm Shattuck and family and J. W. Blanchard and family" 
Excerpt from an extensive letter published in the Alton Weekly Telegraph on April 15, 1853 written in St. Joseph Mo. April 1, 1853, six days after they left Alton. We all accord in cheerfully recommending the "Kate Swinneg” [the steamer they took from Alton Ill. to St Joseph Mo.] to our friends and the public generally—Signed: Wm Shattuck, Wm Delany. J. Gamble, Thos S Pinckard, Moses Davis, R.M. Goff, W. W. Smith, D. Hanson, M L Henry, J. C Ryan, Jno. Wagoner, James Delaney, W. M. Shanks, Wm. White, Seth L Carpenter, E. White, J. Freeman, M. Maguire, Robt. 0. Lawson, Daniel Underwood, Henry G. Ott, Jno R. Milnor, Jas W. Smith, Philip Clark, Jno. E Broughton, Joseph M Mahan, J W Blanchard, John Cradick, S R Perry'", Wm S Mason, H Mason, MD Davis, W W Amos, J.F. Smith, N P. Perkins, Carrol C. Tomlinson, Denton Offatt, B F. Batterton, D S. Dutro, Mrs S R-Perry, Mrs.Ann L Smith, Mrs Sarah J. Underwood, Mrs. Jane J White, Mrs. Anna B. Broughton, Miss Mary E Slack, Miss Mary Jane Perry, Miss Margaret Ray, Mrs. Margaret A. Smith, Mrs W Shattuck, Mrs. E. F. Blanchard, Mrs. Delany, Mrs. Il Mason. 
Excerpt from an extensive letter published in the Alton Weekly Telegraph 28 October 1853, written from Sacramento City Aug 18, 1853. “Blanchard is here, and expects to do business through his friend Filch, at San Francisco or at least so he tells me — further this deponent sayeth not." 
Excerpt from an extensive letter published in the Alton Weekly Telegraph 19 Jan 1854, written from Sacramento City Nov 26, 1853 "Blanchard and wife, and John Milnor are at Prairie City, mining, but are not making their pile" 
Excerpt from an extensive letter published in the Alton Weekly Telegraph 02 Feb 1854, written from Sacramento, Dec 29, 1853 "J. W. Blanchard and John Milnor are at Prarie City mining, and I learn are doing well." 
Marysville Daily Herald, Volume IV, Number 17, 26 August 1853 reports James Blanchard of Sacramento to arriving at the Tremont House Hotel in Marysville Ca. 
His wife Elizabeth passed away sometime after the birth of daughter Louisa Olive Blanchard.
He married Hannah Filer 9 Jun 1858.
|Marriage Announcement The Daily Bee Sacramento, California 12 Jun 1858, Sat • Page 3|
Fresh Strawberries —J. W. Blanchard, of Secret Ravine, presented us yesterday with two boxes of strawberries grown in his garden; also some fine cucumbers, the first we have seen this season.  Placer Herald, Volume 15, Number 39, 25 May 1867
Delicate, Delicious. — J. W. Blanchard of Oak Hill Ranch, with a nice sense of propriety, and unobtrusiveness that would not wound the feelings of the most sensitive, quietly slipped into our hands, one day this week, a most tempting and delicious box of ripe fresh, blushing, strawberries, which was most pleasing to the mind and exquisite to the taste. We thought, while they were dissolving and disappearing from sight, that if the people of Auburn only knew what Blanchard carries in his wagon, that he would never get half through town.  Placer Herald, Volume 16, Number 49, 1 August 1868
More Grapes — J. W. Blanchard, of Oak Hill Ranch, laid upon our table on Wednesday last, some remarkable, large, fine and luscious grapes. A portion of the lot looked more like plums, being about as large, and of the Flame Tokay variety. We return the thanks of the Herald office to friend Blanchard for so kindly remembering us. We had almost forgotten to mention the box of handsome strawberries be left at the same time. Strawberries in the last of October! Thanks  Placer Herald, Volume 17, Number 9, 24 October 1868
More Strawberries. —J. W. Blanchard of Oak Knoll ranch, again left two splendid boxes of luscious strawberries in our office this week that were magnificent to behold and captivating to the appetite. He drives a gray horse and spring wagon, loaded with the fat of the land, is in town almost every day. Hail him and shell out the quarters, if you want all the good things appetite craves.  Placer Herald, Volume 19, Number 37, 6 May 1871
J. W. Blanchard left in this office this week a splendid lot of Hamburg, Mission and Catawba grapes that are not bad to take.  Placer Herald, Volume 20, Number 6, 30 September 1871
HANDSOME FRUIT J, W. Blanchard, of Oak Knoll Gardens, left in our office, ou Thursday, a pair of the most beautiful and well developed pomegranates, attached to the limb upon which they grew. They are as large as very large oranges, and in color a deep maiden blush. They were grown on a tree eight years old, which produced a dozen or two such as these.  Placer Herald, Volume 20, Number 8, 14 October 1871
THANK YOU—We neglected to say last week that this office was indebted to J. W. Blanchard for two boxes of strawberrys placed on our table.They were the largest, finest and most luscious that we have seen or tasted this year. Just say "Woah January!" when you see the "Oak Knoll" wagon if you want to see and taste "the fat of the land"  Placer Herald, Volume 20, Number 43, 15 June 1872
Triumph De Grand. —On Tuesday J. W. Blanchard, of Oak Knoll gardens near Newcastle, presented this office with two baskets of the finest strawberries we have laid eyes or tongue on this season. They were of the Triumph De Grand and Agriculturalist varieties, large, rich, ripe and luscious. We took a peep into Mr. Blanchard's wagon ond saw something near two hundred baskets of the same kind. Mr. Blanchard told us that he had picked 185 baskets of the same kind from less than 100 feet square of ground on the evening before, and that in one case three baskets were taken from two plants. Say nothing about this but watch for the Oak Knoll wagon and be convinced.  Placer Herald, Volume 21, Number 40, 24 May 1873
THE CITRUS FAIR DISPLAYS J. W. Blanchard, Penryn—4 plates seedling oranges.  Sacramento Daily Union, Volume 54, Number 122, 12 January 1886
J. W. Blanchard, Penryn, almonds, Mediterranean oranges, lemons. Sacramento Daily Union, Volume 56, Number 101, 17 December 1886
The Cooperative Fruit Company held a meeting in Newcastle Saturday, and decided to continue business this year as a corporation. It now has 35 members. John Mitchell was elected President, William Barter, V. P., and R. N. Nixon, Seo. These, with J. W. Blanchard and G, W. Callahan, will be the Board of Directors.  Pacific Rural Press, Volume 33, Number 12, 19 March 1887
State Fair Exibit J. W. Blanchard. peaches.  Sacramento Daily Union, Volume 60, Number 17, 10 September 1888
—On Monday last, while J, W. Blanchard and wife, who live at Oak Hill Ranch near Newcastle, were returning home from here in a two horse spring wagon, the horses became frightened, just below Poland's Ranch on the pike, and ran off, upsetting the wagon, and throwing both out. Both Mr. and Mrs. Blanchard were severely but not seriously bruised, and the wagon and harness left almost a total wreck.  Placer Herald, Volume 17, Number 16, 12 December 1868
He passed away in 1888.
Death of J. W, Blanchard
J. W, Blanchard died at Penryn last Wednesday froin stroke of paralysis. Mr. Blanchard was an old resident of this county, having come here at an early day. At first he engaged in mining, and gradually turned his attention to fruit-growing at which be achieved quite a success. For a number of years Mr. Blanchard had suffered from rheumatism which interfered greatly with his labor on the ranch, but he bore the affliction patiently and did what be could toward improving the place,.Mr. Blanchard was a member of several societies, and waa prominent in all of them. He was a man of more than ordinary intelligence and was well informed on a variety of subjects. His remains were interred yesterday in the Red Men's cemetery at Newcastle, under the auspices of that order.  The Placer Herald Rocklin, California 24 Nov 1888, Sat • Page 5
|J. W. Blanchard Probate Change|
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"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M85C-QJF : 12 April 2016), James Blanchard in household of William Shattuck, Alton, Madison, Illinois, United States; citing family 147, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
BLANCHARD, JAMES W SHATTUCK, ELIZABETH F 1850-04-12 006 0090 00000590 MADISON https://www.ilsos.gov/isavital/marriageSearch.do
"1858 California, County Marriages, 1850-1952," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XLDK-X88 : 8 December 2017), James W Blanchard and Hannah Tiler, 09 Jun 1858; citing Sacramento, California, United States, county courthouses, California; FHL microfilm 1,302,097.
"United States Census, 1860", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDKJ-XP2 : 13 December 2017), Jas W Blanchard, 1860.
"1866 California Great Registers, 1866-1910," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VNNC-QVS : 25 July 2019), James Whitsitt Blanchard, 14 Jul 1866; citing Voter Registration, Antelope Ravine, Placer, California, United States, county clerk offices, California; FHL microfilm 977,085.
"1868 California Great Registers, 1866-1910," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VNNH-Y1G : 25 July 2019), James Whitsitt Blanchard, 14 Jul 1868; citing Voter Registration, Antelope Ravine, Placer, California, United States, county clerk offices, California; FHL microfilm 977,085.
"United States Census, 1870", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MN62-GYL : 7 June 2019), Jas W Blanchard, 1870.
"1871 California Great Registers, 1866-1910," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VNNH-XZ2 : 25 July 2019), James Whitsett Blanchard, 1871; citing Voter Registration, Antelope Ravine, Placer, California, United States, county clerk offices, California; FHL microfilm 977,085.
"1876 California Great Registers, 1866-1910," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VNNC-LR5 : 25 July 2019), James Whitsitt Blanchard, 14 Jul 1876; citing Voter Registration, Antelope Ravine, Placer, California, United States, county clerk offices, California; FHL microfilm 977,085.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M6PS-GFM : 12 August 2017), James W Blanchard, Nine, Placer, California, United States; citing enumeration district ED 69, sheet 255D, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,070.
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