Finding George Courtney c1841

According to the records on Find My Past for the 1871 England Census there were 70 records for the name COURTENAY recorded at Middlesex.  This equates to 31 family groups.  Could George be related to one of them?  I am progressively adding links to these families at Wikitree.   Filling up the census paper.   Punch 1851 PD 1.  Mile End Old Town, Jeoffries Terrace      * Maria COURTENAY b1829 in Blois, France (possibly a Courtenay by birth?)      * Louisa TURNER b1847 (husband William b1841)     * Henry COURTENAY b1857     * Percy COURTENAY b1862     * John COURTENAY b1867 2.  Bethnal Green #1, Nelson Place      * Elizabeth COURTENAY b1841 nee McLenan (widow of Robert J COURTENAY of Ireland)     * Augusta COURTENAY b1859     * Sydney COURTENAY b1864     * Adeline COURTENAY b1868 3.  Bethnal Green #2, Charles Street    ...

Before I created this blog, I was publishing my research theories on George's profile at Wikitree .  In 2016 a fellow Wikitreer asked me ' Have you considered John Courtenay's (1775, Ireland-1851, London) grandsons?'  She went on to suggest that one of them was named George who was baptised in 1848. This was an extremely attractive suggestion as these Courtenay's were from Waterford, an area suggested by my grandmother as an ancestral place I have yet to find.  However, was this George too young to be my ancestor?   Could his birth date in the 1871 census have been overstated by 13 years?   His twin daughters were born in 1871, so if he was their father he would have been around 24 which still seems plausible. George Courtenay was born in Middlesex in about 1847 and baptised on 8 Jan 1848, his parents James Courtenay and Louisa Ward.  The grandson of John Courtenay 1775 who married Mary Hogg.  The line traces back to Ensign Edward Courtenay...