John married Frances Margaret "Margaret" Patrick in 1878 in Bethnal Green, Middlesex, England. Frances (daughter of Edward Patrick and Margaret Neil) was born in 1856 in Islington, Middlesex, England; died in 1914 in Hackney, Middlesex, England. [Group Sheet]

1. William Charles Laidler was born in 1879 in Bethnal Green, Middlesex, England; and died.
2. John Henry Laidler was born in 1881 in Bethnal Green, Middlesex, England; died in 1882 in Bethnal Green, Middlesex, England.
3. Charles Orlando Laidler was born in 1883 in Bethnal Green, Middlesex, England; died in 1884 in Bethnal Green, Middlesex, England.
4. Albert Edward Laidler was born in 1884 in Bethnal Green, Middlesex, England; and died.
5. Frances Margaret Laidler was born in 1886 in Shoreditch, Middlesex, England; died in 1886 in Shoreditch, Middlesex, England.
6. John Henry Laidler was born in 1887 in Bethnal Green, Middlesex, England; and died.
7. Charles Victor Laidler was born in 1889 in Bethnal Green, Middlesex, England; and died.
8. Rose Margaret Laidler was born in 1890 in Bethnal Green, Middlesex, England; and died.
9. Margaret Elizabeth Laidler was born in 1893 in Bethnal Green, Middlesex, England; died in 1893 in Bethnal Green, Middlesex, England.
10. Sarah Ann Laidler was born in 1894 in Bethnal Green, Middlesex, England; and died.
11. James Edward Laidler was born in 1897 in Bethnal Green, Middlesex, England; and died.