Examples from the Web for hisself
They run ort as tho Satun hisself was arter them with a red hot ten pronged pitchfork.The Complete Works of Artemus Ward|Charles Farrar Browne (AKA Artemus Ward)
As for hisself, he stood up for the fellow, because he hadn't another friend in the place.
Jim talked around over the country about what he was going to do to John but everybody told him dat he brought it all on hisself.Slave Narratives, Oklahoma|Various
He lets me know every Wednesday night, eight o'clock, Al leaves the house all by hisself.Gun for Hire|Dallas McCord Reynolds
His boss told me hisself they were just like looking-glasses, Essie, come closer, darlin'.Just Around the Corner|Fannie Hurst