Kirkleatham is just east of Middlesbro, Yorkshire, England where the 1881 Census says he was born.....
1861 Census Index - assume "ANN" is supposed to be 7 y/o (see 1871 Census)
William Seymour30Guisbrough, Kirk-Leatham Mary Seymour30Guisbrough, Kirk-Leatham Ann Seymour27Guisbrough, Kirk-Leatham Thomas Seymour4Guisbrough, Kirk-Leatham Jane Seymour3Guisbrough, Kirk-Leatham
1871 Census Index -
William Seymour40 Guisborough, Kirkleatham Mary Seymour40Guisborough, Kirkleatham Ann Seymour17Guisborough, Kirkleatham Tom Seymour14Guisborough, Kirkleatham Jane Seymour13Guisborough, Kirkleatham Elizabeth Seymour9Guisborough, Kirkleatham Mary Seymour6Guisborough, Kirkleatham Isabel Seymour5Guisborough, Kirkleatham John Seymour4Guisborough, Kirkleatham