Henry and Elizabeth were born in Ireland. They immigrated sometime between 1835 and 1839 before marrying in Ontario in 1839 and settling in Bastard Township.

Henry and Elizabeth appear in the Bastard and Burgess censuses from 1851, 1861 and 1871. Elizabeth appears in the 1901 census.

From a posting on http://www.ogs.on.ca/ogspi/199/q1994t00.htm:
TROTTER name_game@ca.on.ogs.families 1994-02 published BOLTON/BOULTON:
Seek prnts of Henry BOLTON/BOULTON bc1815 Ireland Co Wexford & wife Elizabeth McCANN/McAN b1821 Ireland Co Cavan Belturbet Redhills
Em ON Leeds Co Bastard twp 1835-1840 ch:
Margaret b1840, William Henry Thomas Eliza/R TROTTER 1868
em MI 1869 Mary Sarah John Robert George Joseph & Oscar
All b Leeds Others stay in ON?
Desc write to Gretchen G CLAMAN 9279 E Nassau Denver CO 80237-1920

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Husband
Henry Bolton
Birth:  1816  , , Ireland
Marriage:  1839  , , Ontario
1851 Bastard census: Boulton Henry, age 35, born Ireland, Farmer, Church of England;
1861 Bastard census: Henry Boulton, Farmer, born Ireland, Church of England, 48 next birthday;
1871 Bastard census: Bolton, Henry, age 55, born Ireland, Church of England, Farmer;
Grave stone: "In / Memory of / Harry Bolton / Died / Aug. 9, 1874 / Aged / 64 years

Wife
Elizabeth
Birth:  1823  , , Ireland
Marriage:  1839  , , Ontario
1851 Bastard census: Boulton Elizabeth, age 28;
1861 Bastard Census: Elizabeth Boulton, , born Ireland, Church of England, 40 next birthday;
1871 Bastard census: Bolton, Elizabeth, age 48;
1881 Bastard census: Elizabeth Bolton, widow, age 58, born Ireland, Church of England
1901 Bastard census: Bolton Elisabeth, widow, born Apr 14 1821, 79 at last birthday;
Grave stone:

1. Margaret Ann Bolton
Birth: 1840 , , Ontario
1851 Bastard census: Boulton Margaret, age 10;
1861 Bastard Census: Margaret Ann Boulton, , born U.C., Church of England, 18 next birthday

2. William R. Bolton
Birth: 1844 , , Ontario
1851 Bastard census: Boulton William, age 7;
1861 Bastard census: William Boulton, Labourer, born U.C., Church of England, 16 next birthday;
1871 Bastard census: Bolton, William, age 25, Farmer;
1901 Bastard Census: Bolton, William, born Apr 15 1846, (plus Emley, Eveline, Myrtle, Earl H, Wilbert J, Stewart);
Grave stone: William R. Bolton / 1844 - 1931 / His Wife / Emily McCrea / 1852 - 1929

3. Henry Bolton
Birth: 1845 , , Ontario
1851 Bastard census: Boulton Henry, age 6;
1861 Bastard Census: William Boulton, Labourer, born U.C., Church of England, 14 next birthday;
1871 Bastard census: Bolton, Henery, age 23

4. Thomas Bolton
Birth: 1847 Bastard Twp, Leeds, Ontario
1861 Bastard Census: Thomas Boulton, Labourer, born U.C., Church of England, 13 next birthday;
1871 Bastard census: Bolton, Thomas, age 21;
1901 Bastard census: Bolton, Thomas, born 9 Aug 1851 (plus Ann, Midred, Edmond, Herbert, Sherman);
1911 Bastard census, pg. 11: Bolton Thomas, Lot 16, Con 3, M, Head, M, b. August 1850, age 60, b. Ont., Irish, Canadian, Anglican, Farmer;
       Bolton Annie, Lot 16, Con 3, F, Wife, M, b. July 1862, age 49, b. Ont., Irish, Canadian, Anglican, Home;
Grave stone: Thomas Bolton / 1851 - 1920 / His Wife / Ann Matilda Moss / 1862 - 1941 / Sherman 1897-1944;

5. Mary Jane Bolton
Birth: 1849 Bastard Twp, Leeds, Ontario
1851 Bastard census: Boulton Mary Jane, age 2

6. Elizabeth Jane Boulton
Birth: 1851 Bastard Twp, Leeds, Ontario
1861 Bastard census: Elizabeth Jane Boulton, , born U.C., Church of England, 11 next birthday

7. Mary Boulton
1861 Bastard census: Mary Boulton, , born U.C., Church of England, 10 next birthday;
1871 Bastard census: Bolton, Mary, age 16;
Marriage registration 005464-77: Thomas McDONALD, 30, Farmer, Bastard, Bastard, s/o Thomas & Mary McDONALD; married Mary BOLTON, 24, Bastard, Bastard, d/o Henry & Elizabeth BOLTON; witn Richard PRESTON & Daniel McGONEGAL?, both Newboro, 16 Apr 1877, Newboro;
Grave stone: Thomas MacDonald / 1851 - 1928 / His Wife / Mary Bolton / 1853 - 1946 / Melbourne MacDonald / 1883 - 1966 / His Wife / Lena Cambpbell / 1888 - 1972

8. Sarah Boulton
Birth: 1856 Bastard Twp, Leeds, Ontario
1861 Bastard Census: Sara Boulton, , born U.C., Church of England, 7 next birthday;
1871 Bastard census: Bolton, Sarah, age 14;
1881 Bastard census: Sarah Bolton, age 25, born Ontario, Church of England;
Marriage registration #006816-95 (Leeds Co): Charles Ed. BEERS, 42, widower, mechanic, South Crosby, Newboro, s/o David BEERS & Jane WRIGHT, married Sarah BOULTON, 36, Bastard, Newboro, d/o Henry BOULTON & Elizabeth McCANN, witn: Walter H. CAIRNS & Electa GALLAGHER, both of Newboro, 25 Feb 1895 at Newboro

9. John Boulton
Birth: 1856 Bastard Twp, Leeds, Ontario
1861 Bastard census: John Boulton, , born U.C., Church of England, 5 next birthday;
1871 Bastard census: Bolton, John, age 15;

10. Robert Bolton
Birth: 1858 Bastard Twp, Leeds, Ontario
1861 Bastard census: Robert Boulton, , born U.C., Church of England, 3 next birthday;
1871 Bastard census: Bolton, Robert, age 13;
1891 N. Crosby census: Bolton, Robert, age 32, born Ireland, Methodist, farmer;
1901 N. Crosby census: Bolton, Robert, born May 5 1860, Irish

Mary Francis McGuire, born 4 July 1867 at Westport, married Robert Boulton on 1 Oct 1888 at Brockville. Robert was born 5 May 1860 at Portland. The Marriage Register shows his parents as Henry and Elizabeth Boulton. He may be the 13 year old Robert, listed in the household of Henry and Elizabeth Bolton, Bastard, in the 1871 census.

11. George Bolton
1871 Bastard census: Bolton, George, age 10;
1881 Bastard census: George Bolton, age 18, born Ontario, Church of England

12. Joseph Bolton
1871 Bastard census: Bolton, Joseph, age 7;
1881 Bastard census: Joseph Bolton, age 16, born Ontario, Church of England
Grave stone: Bolton / Joseph Bolton / 1864 - 1943 / His Wife / Charlotte Dow / 1872 - 1941 / Until the day break / and the shadows flee

13. Oscar Bolton
1881 Bastard census: Oscar Bolton, age 14, born Ontario, Church of England;
1901 Bastard census: Bolton Oscar, born May 4 1864, 28 at last birthday (with Isabella and Euretta V.)
1911 Bastard census, pg. 13: Bolton Oskar, L14 C2, M, Head, b. May 1868, age 43, B. Ont., Irish, Canadian Anglican, Farmer (with Isabella and Burnice);
Grave stone: Oscar Bolton / 1865 - 1950 / His Wife / Isabella Ready / 1872-1928 / Bolton.

14. Albert Bolton
1871 Bastard census: Bolton, Albert, age 5;

15. Maggie Bolton
1881 Bastard census: Maggie Bolton, age 8, born Ontario, Church of England